Publications

346 entries « 1 of 1 »

2024

Bharadhwaj, Vinay Srinivas; Ali, Mehdi; Birkenbihl, Colin; Mubeen, Sarah; Lehmann, Jens; Hofmann-Apitius, Martin; Hoyt, Charles Tapley; Domingo-Fernández, Daniel

CLEP (Version 0.0.3) Miscellaneous

urlhttps://doi.org/10.5281/zenodo.10830122, 2024, (Accessed on YYYY-MM-DD.).

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Amouzouvi, Kossi; Song, Bowen; Vahdati, Sahar; Lehmann, Jens

Knowledge GeoGebra: Leveraging Geometry of Relation Embeddings in Knowledge Graph Completion Inproceedings

In: Proceedings of the 2024 Joint International Conference on Computational Linguistics, Language Resources and Evaluation, LREC/COLING 2024, 20-25 May, 2024, Torino, Italy, pp. 9832–9842, ELRA and ICCL, 2024.

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Saberi-Movahed, Farid; Biswas, Bitasta; Tiwari, Prayag; Lehmann, Jens; Vahdati, Sahar

Deep Nonnegative Matrix Factorization with Joint Global and Local Structure Preservation Journal Article

In: Expert Syst. Appl., 249 , pp. 123645, 2024.

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Lehmann, Jens; Meloni, Antonello; Motta, Enrico; Osborne, Francesco; Recupero, Diego Reforgiato; Salatino, Angelo Antonio; Vahdati, Sahar

Large Language Models for Scientific Question Answering: An Extensive Analysis of the SciQA Benchmark Inproceedings

In: The Semantic Web - 21st International Conference, ESWC 2024, Hersonissos, Crete, Greece, May 26-30, 2024, Proceedings, Part I, pp. 199–217, Springer, 2024.

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Lehmann, Jens; Bhandiwad, Dhananjay; Gattogi, Preetam; Vahdati, Sahar

Beyond Boundaries: A Human-like Approach for Question Answering over Structured and Unstructured Information Sources Journal Article

In: Trans. Assoc. Comput. Linguistics, 12 , pp. 786–802, 2024.

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Tiwari, Prayag; Movahed, Farid Saberi; Karami, Saeed; Saberi-Movahed, Farshad; Lehmann, Jens; Vahdati, Sahar

A Self-Representation Learning Method for Unsupervised Feature Selection using Feature Space Basis Journal Article

In: Trans. Mach. Learn. Res., 2024 , 2024.

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Lee, Dongkyu; Prakash, Chandana Satya; FitzGerald, Jack; Lehmann, Jens

MATTER: Memory-Augmented Transformer Using Heterogeneous Knowledge Sources Inproceedings

In: Findings of the Association for Computational Linguistics, ACL 2024, Bangkok, Thailand and virtual meeting, August 11-16, 2024, pp. 16110–16121, Association for Computational Linguistics, 2024.

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Zhao, Zheng; Monti, Emilio; Lehmann, Jens; Assem, Haytham

Enhancing Contextual Understanding in Large Language Models through Contrastive Decoding Inproceedings

In: Proceedings of the 2024 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies (Volume 1: Long Papers), NAACL 2024, Mexico City, Mexico, June 16-21, 2024, pp. 4225–4237, Association for Computational Linguistics, 2024.

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Bouziani, Nacime; Tyagi, Shubhi; Fisher, Joseph; Lehmann, Jens; Pierleoni, Andrea

REXEL: An End-to-end Model for Document-Level Relation Extraction and Entity Linking Inproceedings

In: Proceedings of the 2024 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies: Industry Track, NAACL 2024, Mexico City, Mexico, June 16-21, 2024, pp. 119–130, Association for Computational Linguistics, 2024.

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Lehmann, Jens; Bhandiwad, Dhananjay; Gattogi, Preetam; Vahdati, Sahar

Beyond Boundaries: A Human-like Approach for Question Answering over Structured and Unstructured Information Sources Journal Article

In: Trans. Assoc. Comput. Linguistics, 12 , pp. 786–802, 2024.

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Safaei, Farhad; Nenadovic, Milos; Wittenstein, Jakob; Lehmann, Jens; Vahdati, Sahar

X-Vent: ICU Ventilation with Explainable Model-Based Reinforcement Learning Inproceedings

In: ECAI 2024 - 27th European Conference on Artificial Intelligence, 19-24 October 2024, Santiago de Compostela, Spain - Including 13th Conference on Prestigious Applications of Intelligent Systems (PAIS 2024), pp. 4719–4726, IOS Press, 2024.

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Weber, Alexander Arno; Thellmann, Klaudia; Ebert, Jan; Flores-Herr, Nicolas; Lehmann, Jens; Fromm, Michael; Ali, Mehdi

Investigating Multilingual Instruction-Tuning: Do Polyglot Models Demand for Multilingual Instructions? Inproceedings

In: Proceedings of the 2024 Conference on Empirical Methods in Natural Language Processing, EMNLP 2024, Miami, FL, USA, November 16-16, 2024, pp. 20829–20855, Association for Computational Linguistics, 2024.

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2023

Ibrahim, Shimaa; Fathalla, Said; Lehmann, Jens; Jabeen, Hajira

Toward the Multilingual Semantic Web: Multilingual Ontology Matching and Assessment Journal Article

In: IEEE Access, 11 , pp. 8581–8599, 2023.

BibTeX | Research Area: Ontology Matching | Links:

Moghaddam, Farshad Bakhshandegan; Lehmann, Jens; Jabeen, Hajira

ExPAD: An Explainable Distributed Automatic Anomaly Detection Framework over Large KGs Inproceedings

In: 17th IEEE International Conference on Semantic Computing, ICSC 2023, Laguna Hills, CA, USA, February 1-3, 2023, pp. 204–211, IEEE, 2023.

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Xu, Chengjin; Nayyeri, Mojtaba; Chen, Yung-Yu; Lehmann, Jens

Geometric Algebra Based Embeddings for Static and Temporal Knowledge Graph Completion Journal Article

In: IEEE Trans. Knowl. Data Eng., 35 (5), pp. 4838–4851, 2023.

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Nayyeri, Mojtaba; Xu, Chengjin; Alam, Mirza Mohtashim; Lehmann, Jens; Yazdi, Hamed Shariat

LogicENN: A Neural Based Knowledge Graphs Embedding Model With Logical Rules Journal Article

In: IEEE Trans. Pattern Anal. Mach. Intell., 45 (6), pp. 7050–7062, 2023.

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Draschner, Carsten Felix; Jabeen, Hajira; Lehmann, Jens

SimE4KG: Distributed and Explainable Multi-Modal Semantic Similarity Estimation for Knowledge Graphs Journal Article

In: Int. J. Semantic Comput., 17 (2), pp. 199–221, 2023.

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Nayyeri, Mojtaba; Xiong, Bo; Mohammadi, Majid; Akter, Mst. Mahfuja; Alam, Mirza Mohtashim; Lehmann, Jens; Staab, Steffen

Knowledge Graph Embeddings using Neural Ito Process: From Multiple Walks to Stochastic Trajectories Inproceedings

In: Findings of the Association for Computational Linguistics: ACL 2023, Toronto, Canada, July 9-14, 2023, pp. 7165–7179, Association for Computational Linguistics, 2023.

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Mohamed, Heba; Fathalla, Said; Lehmann, Jens; Jabeen, Hajira

Efficient computation of comprehensive statistical information of large OWL datasets: a scalable approach Journal Article

In: Enterp. Inf. Syst., 17 (7), 2023.

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Baek, Jinheon; Aji, Alham Fikri; Lehmann, Jens; Hwang, Sung Ju

Direct Fact Retrieval from Knowledge Graphs without Entity Linking Inproceedings

In: Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers), ACL 2023, Toronto, Canada, July 9-14, 2023, pp. 10038–10055, Association for Computational Linguistics, 2023.

BibTeX | Research Area: Language Models | Links:

Song, Bowen; Xu, Chengjin; Amouzouvi, Kossi; Wang, Maocai; Lehmann, Jens; Vahdati, Sahar

Distinct Geometrical Representations for Temporal and Relational Structures in Knowledge Graphs Inproceedings

In: Machine Learning and Knowledge Discovery in Databases: Research Track - European Conference, ECML PKDD 2023, Turin, Italy, September 18-22, 2023, Proceedings, Part III, pp. 601–616, Springer, 2023.

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Lehmann, Jens; Ferré, Sébastien; Vahdati, Sahar

Language Models as Controlled Natural Language Semantic Parsers for Knowledge Graph Question Answering Inproceedings

In: ECAI 2023 - 26th European Conference on Artificial Intelligence, September 30 - October 4, 2023, Kraków, Poland - Including 12th Conference on Prestigious Applications of Intelligent Systems (PAIS 2023), pp. 1348–1356, IOS Press, 2023.

BibTeX | Research Area: Language Models | Links:

Mohiuddin, Karishma; Alam, Mirza Ariful; Alam, Mirza Mohtashim; Welke, Pascal; Martin, Michael; Lehmann, Jens; Vahdati, Sahar

Retention is All You Need Inproceedings

In: Proceedings of the 32nd ACM International Conference on Information and Knowledge Management, CIKM 2023, Birmingham, United Kingdom, October 21-25, 2023, pp. 4752–4758, ACM, 2023.

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Nayyeri, Mojtaba; Wang, Zihao; Akter, Mst. Mahfuja; Alam, Mirza Mohtashim; Rony, Md. Rashad Al Hasan; Lehmann, Jens; Staab, Steffen

Integrating Knowledge Graph Embeddings and Pre-trained Language Models in Hypercomplex Spaces Inproceedings

In: The Semantic Web - ISWC 2023 - 22nd International Semantic Web Conference, Athens, Greece, November 6-10, 2023, Proceedings, Part I, pp. 388–407, Springer, 2023.

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Ramakrishna, Anil; Gupta, Rahul; Lehmann, Jens; Ziyadi, Morteza

INVITE: a Testbed of Automatically Generated Invalid Questions to Evaluate Large Language Models for Hallucinations Inproceedings

In: Findings of the Association for Computational Linguistics: EMNLP 2023, Singapore, December 6-10, 2023, pp. 5422–5429, Association for Computational Linguistics, 2023.

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Limkonchotiwat, Peerat; Cheng, Weiwei; Christodoulopoulos, Christos; Saffari, Amir; Lehmann, Jens

mReFinED: An Efficient End-to-End Multilingual Entity Linking System Inproceedings

In: Findings of the Association for Computational Linguistics: EMNLP 2023, Singapore, December 6-10, 2023, pp. 15080–15089, Association for Computational Linguistics, 2023.

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Moghaddam, Farshad Bakhshandegan; Lehmann, Jens; Jabeen, Hajira

Anomaly Detection for Numerical Literals in Knowledge Graphs: A Short Review of Approaches Inproceedings

In: Sixth IEEE International Conference on Artificial Intelligence and Knowledge Engineering, AIKE 2023, Laguna Hills, CA, USA, September 25-27, 2023, pp. 46–53, IEEE, 2023.

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2022

Westphal, Patrick; Grubenmann, Tobias; Collarana, Diego; Bin, Simon; Bühmann, Lorenz; Lehmann, Jens

Spatial concept learning and inference on geospatial polygon data Journal Article

In: Knowl. Based Syst., 241 , pp. 108233, 2022.

BibTeX | Research Area: Concept Learning in Description Logics | Links:

Moghaddam, Farshad Bakhshandegan; Lehmann, Jens; Jabeen, Hajira

DistAD: A Distributed Generic Anomaly Detection Framework over Large KGs Inproceedings

In: 16th IEEE International Conference on Semantic Computing, ICSC 2022, Laguna Hills, CA, USA, January 26-28, 2022, pp. 243–250, IEEE, 2022.

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Xu, Chengjin; Su, Fenglong; Xiong, Bo; Lehmann, Jens

Time-aware Entity Alignment using Temporal Relational Attention Inproceedings

In: WWW '22: The ACM Web Conference 2022, Virtual Event, Lyon, France, April 25 - 29, 2022, pp. 788–797, ACM, 2022.

BibTeX | Research Area: Representation Learning in Knowledge Graphs | Links:

Rony, Md. Rashad Al Hasan; Kovriguina, Liubov; Chaudhuri, Debanjan; Usbeck, Ricardo; Lehmann, Jens

RoMe: A Robust Metric for Evaluating Natural Language Generation Inproceedings

In: Proceedings of the 60th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers), ACL 2022, Dublin, Ireland, May 22-27, 2022, pp. 5645–5657, Association for Computational Linguistics, 2022.

BibTeX | Research Area: Dialogue Systems, Language Models | Links:

Rony, Md. Rashad Al Hasan; Chaudhuri, Debanjan; Usbeck, Ricardo; Lehmann, Jens

Tree-KGQA: An Unsupervised Approach for Question Answering Over Knowledge Graphs Journal Article

In: IEEE Access, 10 , pp. 50467–50478, 2022.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Nayyeri, Mojtaba; Vahdati, Sahar; Khan, Md Tansen; Alam, Mirza Mohtashim; Wenige, Lisa; Behrend, Andreas; Lehmann, Jens

Dihedron Algebraic Embeddings for Spatio-Temporal Knowledge Graph Completion Inproceedings

In: The Semantic Web - 19th International Conference, ESWC 2022, Hersonissos, Crete, Greece, May 29 - June 2, 2022, Proceedings, pp. 253–269, Springer, 2022.

BibTeX | Research Area: Representation Learning in Knowledge Graphs | Links:

Rony, Md. Rashad Al Hasan; Usbeck, Ricardo; Lehmann, Jens

DialoKG: Knowledge-Structure Aware Task-Oriented Dialogue Generation Inproceedings

In: Findings of the Association for Computational Linguistics: NAACL 2022, Seattle, WA, United States, July 10-15, 2022, pp. 2557–2571, Association for Computational Linguistics, 2022.

BibTeX | Research Area: Dialogue Systems, Language Models | Links:

Rony, Md. Rashad Al Hasan; Kumar, Uttam; Teucher, Roman; Kovriguina, Liubov; Lehmann, Jens

SGPT: A Generative Approach for SPARQL Query Generation From Natural Language Questions Journal Article

In: IEEE Access, 10 , pp. 70712–70723, 2022.

BibTeX | Research Area: Language Models, Question Answering over Knowledge Graphs | Links:

Rony, Md. Rashad Al Hasan; Zuo, Ying; Kovriguina, Liubov; Teucher, Roman; Lehmann, Jens

Climate Bot: A Machine Reading Comprehension System for Climate Change Question Answering Inproceedings

In: Proceedings of the Thirty-First International Joint Conference on Artificial Intelligence, IJCAI 2022, Vienna, Austria, 23-29 July 2022, pp. 5249–5252, ijcai.org, 2022.

BibTeX | Research Area: Machine Reading Comprehension | Links:

Ali, Mehdi; Berrendorf, Max; Galkin, Mikhail; Thost, Veronika; Ma, Tengfei; Tresp, Volker; Lehmann, Jens

Improving Inductive Link Prediction Using Hyper-Relational Facts (Extended Abstract) Inproceedings

In: Proceedings of the Thirty-First International Joint Conference on Artificial Intelligence, IJCAI 2022, Vienna, Austria, 23-29 July 2022, pp. 5259–5263, ijcai.org, 2022.

BibTeX | Research Area: Representation Learning in Knowledge Graphs | Links:

Alam, Mirza Mohtashim; Rony, Md. Rashad Al Hasan; Nayyeri, Mojtaba; Mohiuddin, Karishma; Akter, M. S. T. Mahfuja; Vahdati, Sahar; Lehmann, Jens

Language Model Guided Knowledge Graph Embeddings Journal Article

In: IEEE Access, 10 , pp. 76008–76020, 2022.

BibTeX | Research Area: Language Models, Representation Learning in Knowledge Graphs | Links:

Kacupaj, Endri; Singh, Kuldeep; Maleshkova, Maria; Lehmann, Jens

Contrastive Representation Learning for Conversational Question Answering over Knowledge Graphs Inproceedings

In: Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022, pp. 925–934, ACM, 2022.

BibTeX | Research Area: Language Models, Question Answering over Knowledge Graphs | Links:

Möller, Cedric; Lehmann, Jens; Usbeck, Ricardo

Survey on English Entity Linking on Wikidata: Datasets and approaches Journal Article

In: Semantic Web, 13 (6), pp. 925–966, 2022.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Ali, Mehdi; Berrendorf, Max; Hoyt, Charles Tapley; Vermue, Laurent; Galkin, Mikhail; Sharifzadeh, Sahand; Fischer, Asja; Tresp, Volker; Lehmann, Jens

Bringing Light Into the Dark: A Large-Scale Evaluation of Knowledge Graph Embedding Models Under a Unified Framework Journal Article

In: IEEE Trans. Pattern Anal. Mach. Intell., 44 (12), pp. 8825–8845, 2022.

BibTeX | Research Area: Representation Learning in Knowledge Graphs | Links:

Draschner, Carsten Felix; Jabeen, Hajira; Lehmann, Jens

SimE4KG: Distributed and Explainable Multi-Modal Semantic Similarity Estimation for Knowledge Graphs Inproceedings

In: 5th IEEE International Conference on Artificial Intelligence and Knowledge Engineering, AIKE 2022, Laguna Hills, CA, USA, September 19-21, 2022, pp. 1–8, IEEE, 2022.

BibTeX | Links:

Draschner, Carsten Felix; Jabeen, Hajira; Lehmann, Jens

Ethical and Sustainability Considerations for Knowledge Graph based Machine Learning Inproceedings

In: 5th IEEE International Conference on Artificial Intelligence and Knowledge Engineering, AIKE 2022, Laguna Hills, CA, USA, September 19-21, 2022, pp. 53–60, IEEE, 2022.

BibTeX | Links:

Mihindukulasooriya, Nandana; Dubey, Mohnish; Gliozzo, Alfio; Lehmann, Jens; Ngomo, Axel-Cyrille Ngonga; Usbeck, Ricardo; Rossiello, Gaetano; Kumar, Uttam (Ed.)

Proceedings of the SeMantic Answer Type and Relation Prediction Task at ISWC 2021 Semantic Web Challenge (SMART2021) co-located with the 20th International Semantic Web Conference (ISWC 2021), Virtual Conference, October 26th, 2021 Proceeding

CEUR-WS.org, 3119 , 2022.

BibTeX | Links:

2021

Ravi, Manoj Prabhakar Kannan; Singh, Kuldeep; Mulang, Isaiah Onando; Shekarpour, Saeedeh; Hoffart, Johannes; Lehmann, Jens

CHOLAN: A Modular Approach for Neural Entity Linking on Wikipedia and Wikidata Inproceedings

In: Proceedings of the 16th Conference of the European Chapter of the Association for Computational Linguistics: Main Volume, EACL 2021, Online, April 19 - 23, 2021, pp. 504–514, Association for Computational Linguistics, 2021.

BibTeX | Research Area: Language Models, Question Answering over Knowledge Graphs | Links:

Kacupaj, Endri; Plepi, Joan; Singh, Kuldeep; Thakkar, Harsh; Lehmann, Jens; Maleshkova, Maria

Conversational Question Answering over Knowledge Graphs with Transformer and Graph Attention Networks Inproceedings

In: Proceedings of the 16th Conference of the European Chapter of the Association for Computational Linguistics: Main Volume, EACL 2021, Online, April 19 - 23, 2021, pp. 850–862, Association for Computational Linguistics, 2021.

BibTeX | Research Area: Dialogue Systems, Language Models, Question Answering over Knowledge Graphs | Links:

Nayyeri, Mojtaba; Vahdati, Sahar; Sallinger, Emanuel; Alam, Mirza Mohtashim; Yazdi, Hamed Shariat; Lehmann, Jens

Pattern-Aware and Noise-Resilient Embedding Models Inproceedings

In: Advances in Information Retrieval - 43rd European Conference on IR Research, ECIR 2021, Virtual Event, March 28 - April 1, 2021, Proceedings, Part I, pp. 483–496, Springer, 2021.

BibTeX | Research Area: Representation Learning in Knowledge Graphs | Links:

Esteves, Diego; Marcelino, José; Chawla, Piyush; Fischer, Asja; Lehmann, Jens

HORUS-NER: A Multimodal Named Entity Recognition Framework for Noisy Data Inproceedings

In: Advances in Intelligent Data Analysis XIX - 19th International Symposium on Intelligent Data Analysis, IDA 2021, Porto, Portugal, April 26-28, 2021, Proceedings, pp. 89–100, Springer, 2021.

BibTeX | Research Area: Knowledge Extraction | Links:

Nayyeri, Mojtaba; Xu, Chengjin; Yaghoobzadeh, Yadollah; Vahdati, Sahar; Alam, Mirza Mohtashim; Yazdi, Hamed Shariat; Lehmann, Jens

Loss-Aware Pattern Inference: A Correction on the Wrongly Claimed Limitations of Embedding Models Inproceedings

In: Advances in Knowledge Discovery and Data Mining - 25th Pacific-Asia Conference, PAKDD 2021, Virtual Event, May 11-14, 2021, Proceedings, Part III, pp. 77–89, Springer, 2021.

BibTeX | Research Area: Representation Learning in Knowledge Graphs | Links:

Draschner, Carsten Felix; Lehmann, Jens; Jabeen, Hajira

DistSim - Scalable Distributed in-Memory Semantic Similarity Estimation for RDF Knowledge Graphs Inproceedings

In: 15th IEEE International Conference on Semantic Computing, ICSC 2021, Laguna Hills, CA, USA, January 27-29, 2021, pp. 333–336, IEEE, 2021.

BibTeX | Research Area: Distributed Analytics | Links:

Nayyeri, Mojtaba; Vahdati, Sahar; Aykul, Can; Lehmann, Jens

5* Knowledge Graph Embeddings with Projective Transformations Inproceedings

In: Thirty-Fifth AAAI Conference on Artificial Intelligence, AAAI 2021, Thirty-Third Conference on Innovative Applications of Artificial Intelligence, IAAI 2021, The Eleventh Symposium on Educational Advances in Artificial Intelligence, EAAI 2021, Virtual Event, February 2-9, 2021, pp. 9064–9072, AAAI Press, 2021.

BibTeX | Research Area: Representation Learning in Knowledge Graphs, Top Publications | Links:

Chaudhuri, Debanjan; Rony, Md. Rashad Al Hasan; Lehmann, Jens

Grounding Dialogue Systems via Knowledge Graph Aware Decoding with Pre-trained Transformers Inproceedings

In: The Semantic Web - 18th International Conference, ESWC 2021, Virtual Event, June 6-10, 2021, Proceedings, pp. 323–339, Springer, 2021.

BibTeX | Research Area: Dialogue Systems, Language Models | Links:

Plepi, Joan; Kacupaj, Endri; Singh, Kuldeep; Thakkar, Harsh; Lehmann, Jens

Context Transformer with Stacked Pointer Networks for Conversational Question Answering over Knowledge Graphs Inproceedings

In: The Semantic Web - 18th International Conference, ESWC 2021, Virtual Event, June 6-10, 2021, Proceedings, pp. 356–371, Springer, 2021.

BibTeX | Research Area: Dialogue Systems, Language Models, Question Answering over Knowledge Graphs | Links:

Kacupaj, Endri; Banerjee, Barshana; Singh, Kuldeep; Lehmann, Jens

ParaQA: A Question Answering Dataset with Paraphrase Responses for Single-Turn Conversation Inproceedings

In: The Semantic Web - 18th International Conference, ESWC 2021, Virtual Event, June 6-10, 2021, Proceedings, pp. 598–613, Springer, 2021.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Xu, Chengjin; Chen, Yung-Yu; Nayyeri, Mojtaba; Lehmann, Jens

Temporal Knowledge Graph Completion using a Linear Temporal Regularizer and Multivector Embeddings Inproceedings

In: Proceedings of the 2021 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, NAACL-HLT 2021, Online, June 6-11, 2021, pp. 2569–2578, Association for Computational Linguistics, 2021.

BibTeX | Research Area: Representation Learning in Knowledge Graphs | Links:

Tahmasebzadeh, Golsa; Kacupaj, Endri; Müller-Budack, Eric; Hakimov, Sherzod; Lehmann, Jens; Ewerth, Ralph

GeoWINE: Geolocation based Wiki, Image, News and Event Retrieval Inproceedings

In: SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021, pp. 2565–2569, ACM, 2021.

BibTeX | Research Area: Spatial Data in the Semantic Web | Links:

Wilhelm, Nico; Collarana, Diego; Lehmann, Jens

A Virtual Knowledge Graph for Enabling Defect Traceability and Customer Service Analytics Inproceedings

In: The Semantic Web: ESWC 2021 Satellite Events - Virtual Event, June 6-10, 2021, Revised Selected Papers, pp. 245–248, Springer, 2021.

BibTeX | Research Area: Knowledge Extraction | Links:

Galetzka, Fabian; Rose, Jewgeni; Schlangen, David; Lehmann, Jens

Space Efficient Context Encoding for Non-Task-Oriented Dialogue Generation with Graph Attention Transformer Inproceedings

In: Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing, ACL/IJCNLP 2021, (Volume 1: Long Papers), Virtual Event, August 1-6, 2021, pp. 7028–7041, Association for Computational Linguistics, 2021.

BibTeX | Research Area: Dialogue Systems | Links:

Sadeghi, Afshin; Collarana, Diego; Graux, Damien; Lehmann, Jens

Embedding Knowledge Graphs Attentive to Positional and Centrality Qualities Inproceedings

In: Machine Learning and Knowledge Discovery in Databases. Research Track - European Conference, ECML PKDD 2021, Bilbao, Spain, September 13-17, 2021, Proceedings, Part II, pp. 548–564, Springer, 2021.

BibTeX | Research Area: Representation Learning in Knowledge Graphs | Links:

Kacupaj, Endri; Premnadh, Shyamnath; Singh, Kuldeep; Lehmann, Jens; Maleshkova, Maria

VOGUE: Answer Verbalization Through Multi-Task Learning Inproceedings

In: Machine Learning and Knowledge Discovery in Databases. Research Track - European Conference, ECML PKDD 2021, Bilbao, Spain, September 13-17, 2021, Proceedings, Part III, pp. 563–579, Springer, 2021.

BibTeX | Research Area: Language Models, Question Answering over Knowledge Graphs | Links:

Sadeghi, Afshin; Shahini, Xhulia; Schmitz, Martin; Lehmann, Jens

BenchEmbedd: A FAIR Benchmarking tool for Knowledge Graph Embeddings Inproceedings

In: Joint Proceedings of the Semantics co-located events: Poster&Demo track and Workshop on Ontology-Driven Conceptual Modelling of Digital Twins co-located with Semantics 2021, Amsterdam and Online, September 6-9, 2021, CEUR-WS.org, 2021.

BibTeX | Research Area: Representation Learning in Knowledge Graphs | Links:

Xu, Chengjin; Nayyeri, Mojtaba; Vahdati, Sahar; Lehmann, Jens

Multiple Run Ensemble Learning with Low-Dimensional Knowledge Graph Embeddings Inproceedings

In: International Joint Conference on Neural Networks, IJCNN 2021, Shenzhen, China, July 18-22, 2021, pp. 1–8, IEEE, 2021.

BibTeX | Research Area: Representation Learning in Knowledge Graphs | Links:

Ali, Mehdi; Berrendorf, Max; Galkin, Mikhail; Thost, Veronika; Ma, Tengfei; Tresp, Volker; Lehmann, Jens

Improving Inductive Link Prediction Using Hyper-relational Facts Inproceedings

In: The Semantic Web - ISWC 2021 - 20th International Semantic Web Conference, ISWC 2021, Virtual Event, October 24-28, 2021, Proceedings, pp. 74–92, Springer, 2021.

BibTeX | Research Area: Representation Learning in Knowledge Graphs | Links:

Chakraborty, Nilesh; Lukovnikov, Denis; Maheshwari, Gaurav; Trivedi, Priyansh; Lehmann, Jens; Fischer, Asja

Introduction to neural network-based question answering over knowledge graphs Journal Article

In: Wiley Interdiscip. Rev. Data Min. Knowl. Discov., 11 (3), 2021.

BibTeX | Research Area: Language Models, Question Answering over Knowledge Graphs | Links:

Nayyeri, Mojtaba; Cil, Gökce Müge; Vahdati, Sahar; Osborne, Francesco; Kravchenko, Andrey; Angioni, Simone; Salatino, Angelo A.; Recupero, Diego Reforgiato; Motta, Enrico; Lehmann, Jens

Link Prediction of Weighted Triples for Knowledge Graph Completion Within the Scholarly Domain Journal Article

In: IEEE Access, 9 , pp. 116002–116014, 2021.

BibTeX | Research Area: Representation Learning in Knowledge Graphs | Links:

Oliveira, Italo Lopes; Fileto, Renato; Speck, René; Garcia, Luís Paulo F.; Moussallem, Diego; Lehmann, Jens

Towards holistic Entity Linking: Survey and directions Journal Article

In: Information Systems, 95 , pp. 101624, 2021.

BibTeX | Research Area: Knowledge Extraction | Links:

Nayyeri, Mojtaba; Cil, Gökce Müge; Vahdati, Sahar; Osborne, Francesco; Rahman, Mahfuzur; Angioni, Simone; Salatino, Angelo A.; Recupero, Diego Reforgiato; Vassilyeva, Nadezhda; Motta, Enrico; Lehmann, Jens

Trans4E: Link prediction on scholarly knowledge graphs Journal Article

In: Neurocomputing, 461 , pp. 530–542, 2021.

BibTeX | Research Area: Representation Learning in Knowledge Graphs | Links:

Draschner, Carsten Felix; Stadler, Claus; Moghaddam, Farshad Bakhshandegan; Lehmann, Jens; Jabeen, Hajira

DistRDF2ML - Scalable Distributed In-Memory Machine Learning Pipelines for RDF Knowledge Graphs Inproceedings

In: CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021, pp. 4465–4474, ACM, 2021.

BibTeX | Research Area: Distributed Analytics | Links:

Nedelchev, Rostislav; Lehmann, Jens; Usbeck, Ricardo

Proxy Indicators for the Quality of Open-domain Dialogues Inproceedings

In: Proceedings of the 2021 Conference on Empirical Methods in Natural Language Processing, EMNLP 2021, Virtual Event / Punta Cana, Dominican Republic, 7-11 November, 2021, pp. 7834–7855, Association for Computational Linguistics, 2021.

BibTeX | Research Area: Dialogue Systems, Language Models | Links:

Xu, Chengjin; Su, Fenglong; Lehmann, Jens

Time-aware Graph Neural Network for Entity Alignment between Temporal Knowledge Graphs Inproceedings

In: Proceedings of the 2021 Conference on Empirical Methods in Natural Language Processing, EMNLP 2021, Virtual Event / Punta Cana, Dominican Republic, 7-11 November, 2021, pp. 8999–9010, Association for Computational Linguistics, 2021.

BibTeX | Research Area: Representation Learning in Knowledge Graphs | Links:

Nayyeri, Mojtaba; Xu, Chengjin; Hoffmann, Franca; Alam, Mirza Mohtashim; Lehmann, Jens; Vahdati, Sahar

Knowledge Graph Representation Learning using Ordinary Differential Equations Inproceedings

In: Proceedings of the 2021 Conference on Empirical Methods in Natural Language Processing, EMNLP 2021, Virtual Event / Punta Cana, Dominican Republic, 7-11 November, 2021, pp. 9529–9548, Association for Computational Linguistics, 2021.

BibTeX | Research Area: Representation Learning in Knowledge Graphs | Links:

Alam, Mehwish; Ali, Mehdi; Groth, Paul; Hitzler, Pascal; Lehmann, Jens; Paulheim, Heiko; Rettinger, Achim; Sack, Harald; Sadeghi, Afshin; Tresp, Volker (Ed.)

Machine Learning with Symbolic Methods and Knowledge Graphs co-located with European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Databases (ECML PKDD 2021), Virtual, September 17, 2021 Proceeding

CEUR-WS.org, 2997 , 2021.

BibTeX | Links:

Rivas, Ariam; Grangel-González, Irlán; Collarana, Diego; Lehmann, Jens; Vidal, Maria-Esther

Discover Relations in the Industry 4.0 Standards Via Unsupervised Learning on Knowledge Graph Embeddings Journal Article

In: J. Data Intell., 2 (3), pp. 326–347, 2021.

BibTeX | Research Area: Representation Learning in Knowledge Graphs | Links:

Mohamed, Heba; Fathalla, Said; Lehmann, Jens; Jabeen, Hajira

A Scalable Approach for Distributed Reasoning over Large-scale OWL Datasets Inproceedings

In: Proceedings of the 13th International Joint Conference on Knowledge Discovery, Knowledge Engineering and Knowledge Management, IC3K 2021, Volume 2: KEOD, Online Streaming, October 25-27, 2021, pp. 51–60, SCITEPRESS, 2021.

BibTeX | Research Area: Distributed Analytics | Links:

Grubenmann, Tobias; Lehmann, Jens

Geolog: Scalable Logic Programming on Spatial Data Inproceedings

In: Proceedings 37th International Conference on Logic Programming (Technical Communications), ICLP Technical Communications 2021, Porto (virtual event), 20-27th September 2021, pp. 191–204, 2021.

BibTeX | Research Area: Spatial Data in the Semantic Web | Links:

Lackner, Arthur; Fathalla, Said; Nayyeri, Mojtaba; Behrend, Andreas; Manthey, Rainer; Auer, Sören; Lehmann, Jens; Vahdati, Sahar

Analysing the evolution of computer science events leveraging a scholarly knowledge graph: a scientometrics study of top-ranked events in the past decade Journal Article

In: Scientometrics, 126 (9), pp. 8129–8151, 2021.

BibTeX | Links:

Bharadhwaj, Vinay Srinivas; Ali, Mehdi; Birkenbihl, Colin; Mubeen, Sarah; Lehmann, Jens; Hofmann-Apitius, Martin; Hoyt, Charles Tapley; Domingo-Fernández, Daniel

CLEP: a hybrid data- and knowledge-driven framework for generating patient representations Journal Article

In: Bioinform., 37 (19), pp. 3311–3318, 2021.

BibTeX | Research Area: Representation Learning in Knowledge Graphs | Links:

Moghaddam, Farshad Bakhshandegan; Draschner, Carsten; Lehmann, Jens; Jabeen, Hajira

Literal2Feature: An Automatic Scalable RDF Graph Feature Extractor Inproceedings

In: Further with Knowledge Graphs - Proceedings of the 17th International Conference on Semantic Systems, SEMANTiCS, Amsterdam, The Netherlands, September 6-9, 2021, pp. 74–88, IOS Press, 2021.

BibTeX | Research Area: Distributed Analytics | Links:

Ali, Mehdi; Berrendorf, Max; Hoyt, Charles Tapley; Vermue, Laurent; Sharifzadeh, Sahand; Tresp, Volker; Lehmann, Jens

PyKEEN 1.0: A Python Library for Training and Evaluating Knowledge Graph Embeddings Journal Article

In: J. Mach. Learn. Res., 22 , pp. 82:1–82:6, 2021.

BibTeX | Research Area: Representation Learning in Knowledge Graphs | Links:

Westphal, Patrick; Vahdati, Sahar; Lehmann, Jens

A Simulated Annealing Meta-heuristic for Concept Learning in Description Logics Inproceedings

In: Inductive Logic Programming - 30th International Conference, ILP 2021, Virtual Event, October 25-27, 2021, Proceedings, pp. 266–281, Springer, 2021.

BibTeX | Research Area: Concept Learning in Description Logics | Links:

Sadeghi, Afshin; Malik, Hirra; Collarana, Diego; Lehmann, Jens

Relational Pattern Benchmarking on the Knowledge Graph Link Prediction Task Inproceedings

In: Proceedings of the Neural Information Processing Systems Track on Datasets and Benchmarks 1, NeurIPS Datasets and Benchmarks 2021, December 2021, virtual, 2021.

BibTeX | Links:

Moghaddam, Farshad Bakhshandegan; Draschner, Carsten Felix; Lehmann, Jens; Jabeen, Hajira

Semantic Web Analysis with Flavor of Micro-Services Inproceedings

In: Proceedings of the 1st Ph.D. Workshop on Big Data Analytics co-located with the 3rd International Big Data Analytics Summer School (BDA 2021), Virtual event (instead of Belgrade, Serbia), June 17th, 2021, pp. 5–12, CEUR-WS.org, 2021.

BibTeX | Links:

Draschner, Carsten Felix; Moghaddam, Farshad Bakhshandegan; Lehmann, Jens; Jabeen, Hajira

Semantic Analytics in the Palm of your Browser Inproceedings

In: Proceedings of the 1st Ph.D. Workshop on Big Data Analytics co-located with the 3rd International Big Data Analytics Summer School (BDA 2021), Virtual event (instead of Belgrade, Serbia), June 17th, 2021, pp. 13–20, CEUR-WS.org, 2021.

BibTeX | Links:

2020

Jabeen, Hajira; Weinz, Jonas; Lehmann, Jens

AutoChef: Automated Generation of Cooking Recipes Inproceedings

In: IEEE Congress on Evolutionary Computation, CEC 2020, Glasgow, United Kingdom, July 19-24, 2020, pp. 1–7, IEEE, 2020.

BibTeX | Links:

Mulang, Isaiah Onando; Singh, Kuldeep; Prabhu, Chaitali; Nadgeri, Abhishek; Hoffart, Johannes; Lehmann, Jens

Evaluating the Impact of Knowledge Graph Context on Entity Disambiguation Models Inproceedings

In: CIKM '20: The 29th ACM International Conference on Information and Knowledge Management, Virtual Event, Ireland, October 19-23, 2020, pp. 2157–2160, ACM, 2020.

BibTeX | Research Area: Knowledge Extraction | Links:

Armitage, Jason; Kacupaj, Endri; Tahmasebzadeh, Golsa; Swati,; Maleshkova, Maria; Ewerth, Ralph; Lehmann, Jens

MLM: A Benchmark Dataset for Multitask Learning with Multiple Languages and Modalities Inproceedings

In: CIKM '20: The 29th ACM International Conference on Information and Knowledge Management, Virtual Event, Ireland, October 19-23, 2020, pp. 2967–2974, ACM, 2020.

BibTeX | Links:

Xu, Chengjin; Nayyeri, Mojtaba; Chen, Yung-Yu; Lehmann, Jens

Knowledge Graph Embeddings in Geometric Algebras Inproceedings

In: Proceedings of the 28th International Conference on Computational Linguistics, COLING 2020, Barcelona, Spain (Online), December 8-13, 2020, pp. 530–544, International Committee on Computational Linguistics, 2020.

BibTeX | Research Area: Representation Learning in Knowledge Graphs | Links:

Xu, Chengjin; Nayyeri, Mojtaba; Alkhoury, Fouad; Yazdi, Hamed Shariat; Lehmann, Jens

TeRo: A Time-aware Knowledge Graph Embedding via Temporal Rotation Inproceedings

In: Proceedings of the 28th International Conference on Computational Linguistics, COLING 2020, Barcelona, Spain (Online), December 8-13, 2020, pp. 1583–1593, International Committee on Computational Linguistics, 2020.

BibTeX | Research Area: Representation Learning in Knowledge Graphs | Links:

Nedelchev, Rostislav; Lehmann, Jens; Usbeck, Ricardo

Language Model Transformers as Evaluators for Open-domain Dialogues Inproceedings

In: Proceedings of the 28th International Conference on Computational Linguistics, COLING 2020, Barcelona, Spain (Online), December 8-13, 2020, pp. 6797–6808, International Committee on Computational Linguistics, 2020.

BibTeX | Research Area: Dialogue Systems, Language Models | Links:

Rivas, Ariam; Grangel-González, Irlán; Collarana, Diego; Lehmann, Jens; Vidal, Maria-Esther

Unveiling Relations in the Industry 4.0 Standards Landscape Based on Knowledge Graph Embeddings Inproceedings

In: Database and Expert Systems Applications - 31st International Conference, DEXA 2020, Bratislava, Slovakia, September 14-17, 2020, Proceedings, Part II, pp. 179–194, Springer, 2020.

BibTeX | Research Area: Representation Learning in Knowledge Graphs | Links:

Sadeghi, Afshin; Graux, Damien; Yazdi, Hamed Shariat; Lehmann, Jens

MDE: Multiple Distance Embeddings for Link Prediction in Knowledge Graphs Inproceedings

In: ECAI 2020 - 24th European Conference on Artificial Intelligence, 29 August-8 September 2020, Santiago de Compostela, Spain, August 29 - September 8, 2020 - Including 10th Conference on Prestigious Applications of Artificial Intelligence (PAIS 2020), pp. 1427–1434, IOS Press, 2020.

BibTeX | Research Area: Representation Learning in Knowledge Graphs | Links:

Zafar, Hamid; Tavakol, Maryam; Lehmann, Jens

Distantly Supervised Question Parsing Inproceedings

In: ECAI 2020 - 24th European Conference on Artificial Intelligence, 29 August-8 September 2020, Santiago de Compostela, Spain, August 29 - September 8, 2020 - Including 10th Conference on Prestigious Applications of Artificial Intelligence (PAIS 2020), pp. 2290–2297, IOS Press, 2020.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Galkin, Mikhail; Trivedi, Priyansh; Maheshwari, Gaurav; Usbeck, Ricardo; Lehmann, Jens

Message Passing for Hyper-Relational Knowledge Graphs Inproceedings

In: Proceedings of the 2020 Conference on Empirical Methods in Natural Language Processing, EMNLP 2020, Online, November 16-20, 2020, pp. 7346–7359, Association for Computational Linguistics, 2020.

BibTeX | Research Area: Representation Learning in Knowledge Graphs | Links:

Say, Zeynep; Fathalla, Said; Vahdati, Sahar; Lehmann, Jens; Auer, Sören

Ontology Design for Pharmaceutical Research Outcomes Inproceedings

In: Digital Libraries for Open Knowledge - 24th International Conference on Theory and Practice of Digital Libraries, TPDL 2020, Lyon, France, August 25-27, 2020, Proceedings, pp. 119–132, Springer, 2020.

BibTeX | Links:

Alam, Mirza Mohtashim; Jabeen, Hajira; Ali, Mehdi; Mohiuddin, Karishma; Lehmann, Jens

Affinity Dependent Negative Sampling for Knowledge Graph Embeddings Inproceedings

In: Proceedings of the Workshop on Deep Learning for Knowledge Graphs (DL4KG2020) co-located with the 17th Extended Semantic Web Conference 2020 (ESWC 2020), Heraklion, Greece, June 02, 2020 - moved online, CEUR-WS.org, 2020.

BibTeX | Research Area: Representation Learning in Knowledge Graphs | Links:

Chau, Minh Triet; Esteves, Diego; Lehmann, Jens

A Neural-based model to Predict the Future Natural Gas Market Price through Open-domain Event Extraction Inproceedings

In: Proceedings of the 1st International Workshop on Cross-lingual Event-centric Open Analytics co-located with the 17th Extended Semantic Web Conference (ESWC 2020), Heraklion, Crete, Greece, June 3, 2020 (online event due to COVID-19 outbreak), pp. 17–31, CEUR-WS.org, 2020.

BibTeX | Research Area: Knowledge Extraction | Links:

Armitage, Jason; Thakur, Shramana; Tripathi, Rishi; Maleshkova, Maria; Lehmann, Jens

Training Multimodal Systems for Classification with Multiple Objectives Inproceedings

In: Proceedings of the 1st International Workshop on Cross-lingual Event-centric Open Analytics co-located with the 17th Extended Semantic Web Conference (ESWC 2020), Heraklion, Crete, Greece, June 3, 2020 (online event due to COVID-19 outbreak), pp. 57–71, CEUR-WS.org, 2020.

BibTeX | Links:

Nayyeri, Mojtaba; Vahdati, Sahar; Zhou, Xiaotian; Yazdi, Hamed Shariat; Lehmann, Jens

Embedding-Based Recommendations on Scholarly Knowledge Graphs Inproceedings

In: The Semantic Web - 17th International Conference, ESWC 2020, Heraklion, Crete, Greece, May 31-June 4, 2020, Proceedings, pp. 255–270, Springer, 2020.

BibTeX | Research Area: Representation Learning in Knowledge Graphs | Links:

Kacupaj, Endri; Zafar, Hamid; Lehmann, Jens; Maleshkova, Maria

VQuAnDa: Verbalization QUestion ANswering DAtaset Inproceedings

In: The Semantic Web - 17th International Conference, ESWC 2020, Heraklion, Crete, Greece, May 31-June 4, 2020, Proceedings, pp. 531–547, Springer, 2020.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Graux, Damien; Sejdiu, Gezim; Stadler, Claus; Napolitano, Giulio; Lehmann, Jens

MINDS: A Translator to Embed Mathematical Expressions Inside SPARQL Queries Inproceedings

In: Semantic Systems. In the Era of Knowledge Graphs - 16th International Conference on Semantic Systems, SEMANTiCS 2020, Amsterdam, The Netherlands, September 7-10, 2020, Proceedings, pp. 104–117, Springer, 2020.

BibTeX | Links:

Say, Aysegul; Fathalla, Said; Vahdati, Sahar; Lehmann, Jens; Auer, Sören

Semantic Representation of Physics Research Data Inproceedings

In: Proceedings of the 12th International Joint Conference on Knowledge Discovery, Knowledge Engineering and Knowledge Management, IC3K 2020, Volume 2: KEOD, Budapest, Hungary, November 2-4, 2020, pp. 64–75, SCITEPRESS, 2020.

BibTeX | Links:

Mohamed, Heba; Fathalla, Said; Lehmann, Jens; Jabeen, Hajira

A Distributed Approach for Parsing Large-scale OWL Datasets Inproceedings

In: Proceedings of the 12th International Joint Conference on Knowledge Discovery, Knowledge Engineering and Knowledge Management, IC3K 2020, Volume 2: KEOD, Budapest, Hungary, November 2-4, 2020, pp. 227–234, SCITEPRESS, 2020.

BibTeX | Research Area: Distributed Analytics | Links:

Musyaffa, Fathoni A.; Lehmann, Jens; Jabeen, Hajira

Cross-administration comparative analysis of open fiscal data Inproceedings

In: ICEGOV 2020: 13th International Conference on Theory and Practice of Electronic Governance, Athens, Greece, 23-25 September, 2020, pp. 459–468, ACM, 2020.

BibTeX | Links:

Payrosangari, Samin; Sadeghi, Afshin; Graux, Damien; Lehmann, Jens

Meta-hyperband: Hyperparameter Optimization with Meta-learning and Coarse-to-Fine Inproceedings

In: Intelligent Data Engineering and Automated Learning - IDEAL 2020 - 21st International Conference, Guimaraes, Portugal, November 4-6, 2020, Proceedings, Part II, pp. 335–347, Springer, 2020.

BibTeX | Links:

Nayyeri, Mojtaba; Zhou, Xiaotian; Vahdati, Sahar; Izanloo, Reza; Yazdi, Hamed Shariat; Lehmann, Jens

Let the Margin SlidE for Knowledge Graph Embeddings via a Correntropy Objective Function Inproceedings

In: 2020 International Joint Conference on Neural Networks, IJCNN 2020, Glasgow, United Kingdom, July 19-24, 2020, pp. 1–9, IEEE, 2020.

BibTeX | Research Area: Representation Learning in Knowledge Graphs | Links:

Nedelchev, Rostislav; Usbeck, Ricardo; Lehmann, Jens

Treating Dialogue Quality Evaluation as an Anomaly Detection Problem Inproceedings

In: Proceedings of The 12th Language Resources and Evaluation Conference, LREC 2020, Marseille, France, May 11-16, 2020, pp. 508–512, European Language Resources Association, 2020.

BibTeX | Research Area: Dialogue Systems | Links:

Jabeen, Hajira; Haziiev, Eskender; Sejdiu, Gezim; Lehmann, Jens

DISE: A Distributed in-Memory SPARQL Processing Engine over Tensor Data Inproceedings

In: IEEE 14th International Conference on Semantic Computing, ICSC 2020, San Diego, CA, USA, February 3-5, 2020, pp. 400–407, IEEE, 2020.

BibTeX | Links:

Thakkar, Harsh; Angles, Renzo; Rodriguez, Marko; Mallette, Stephen; Lehmann, Jens

Let's build Bridges, not Walls: SPARQL Querying of TinkerPop Graph Databases with Sparql-Gremlin Inproceedings

In: IEEE 14th International Conference on Semantic Computing, ICSC 2020, San Diego, CA, USA, February 3-5, 2020, pp. 408–415, IEEE, 2020.

BibTeX | Links:

Rose, Jewgeni; Lehmann, Jens

CASQAD - A New Dataset for Context-Aware Spatial Question Answering Inproceedings

In: The Semantic Web - ISWC 2020 - 19th International Semantic Web Conference, Athens, Greece, November 2-6, 2020, Proceedings, Part II, pp. 3–17, Springer, 2020.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Banerjee, Debayan; Chaudhuri, Debanjan; Dubey, Mohnish; Lehmann, Jens

PNEL: Pointer Network Based End-To-End Entity Linking over Knowledge Graphs Inproceedings

In: The Semantic Web - ISWC 2020 - 19th International Semantic Web Conference, Athens, Greece, November 2-6, 2020, Proceedings, Part I, pp. 21–38, Springer, 2020.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Nayyeri, Mojtaba; Xu, Chengjin; Vahdati, Sahar; Vassilyeva, Nadezhda; Sallinger, Emanuel; Yazdi, Hamed Shariat; Lehmann, Jens

Fantastic Knowledge Graph Embeddings and How to Find the Right Space for Them Inproceedings

In: The Semantic Web - ISWC 2020 - 19th International Semantic Web Conference, Athens, Greece, November 2-6, 2020, Proceedings, Part I, pp. 438–455, Springer, 2020.

BibTeX | Research Area: Representation Learning in Knowledge Graphs | Links:

Xu, Chenjin; Nayyeri, Mojtaba; Alkhoury, Fouad; Yazdi, Hamed Shariat; Lehmann, Jens

Temporal Knowledge Graph Completion Based on Time Series Gaussian Embedding Inproceedings

In: The Semantic Web - ISWC 2020 - 19th International Semantic Web Conference, Athens, Greece, November 2-6, 2020, Proceedings, Part I, pp. 654–671, Springer, 2020.

BibTeX | Research Area: Representation Learning in Knowledge Graphs | Links:

Ibrahim, Shimaa; Fathalla, Said; Lehmann, Jens; Jabeen, Hajira

Multilingual Ontology Merging Using Cross-lingual Matching Inproceedings

In: IEEE/WIC/ACM International Joint Conference on Web Intelligence and Intelligent Agent Technology, WI/IAT 2020, Melbourne, Australia, December 14-17, 2020, pp. 113–120, IEEE, 2020.

BibTeX | Links:

Mohamed, Heba; Fathalla, Said; Lehmann, Jens; Jabeen, Hajira

OWLStats: Distributed Computation of OWL Dataset Statistics Inproceedings

In: IEEE/WIC/ACM International Joint Conference on Web Intelligence and Intelligent Agent Technology, WI/IAT 2020, Melbourne, Australia, December 14-17, 2020, pp. 381–386, IEEE, 2020.

BibTeX | Research Area: Distributed Analytics | Links:

Mihindukulasooriya, Nandana; Dubey, Mohnish; Gliozzo, Alfio; Lehmann, Jens; Ngomo, Axel-Cyrille Ngonga; Usbeck, Ricardo (Ed.)

Proceedings of the SeMantic AnsweR Type prediction task (SMART) at ISWC 2020 Semantic Web Challenge co-located with the 19th International Semantic Web Conference (ISWC 2020), Virtual Conference, November 5th, 2020 Proceeding

CEUR-WS.org, 2774 , 2020.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Nayyeri, Mojtaba; Alam, Mirza Mohtashim; Lehmann, Jens; Vahdati, Sahar

3D Learning and Reasoning in Link Prediction Over Knowledge Graphs Journal Article

In: IEEE Access, 8 , pp. 196459–196471, 2020.

BibTeX | Research Area: Representation Learning in Knowledge Graphs | Links:

Musyaffa, Fathoni A.; Vidal, Maria-Esther; Orlandi, Fabrizio; Lehmann, Jens; Jabeen, Hajira

IOTA: Interlinking of heterogeneous multilingual open fiscal DaTA Journal Article

In: Expert Systems with Applications, 147 , pp. 113135, 2020.

BibTeX | Links:

Zafar, Hamid; Dubey, Mohnish; Lehmann, Jens; Demidova, Elena

IQA: Interactive query construction in semantic question answering systems Journal Article

In: Journal of Web Semantics, 64 , pp. 100586, 2020.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Singh, Kuldeep; Lytra, Ioanna; Radhakrishna, Arun Sethupat; Shekarpour, Saeedeh; Vidal, Maria-Esther; Lehmann, Jens

No one is perfect: Analysing the performance of question answering components over the DBpedia knowledge graph Journal Article

In: Journal of Web Semantics, 65 , pp. 100594, 2020.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Stadler, Claus; Bin, Simon; Wenige, Lisa; Bühmann, Lorenz; Lehmann, Jens

Schema-agnostic SPARQL-driven faceted search benchmark generation Journal Article

In: J. Web Semant., 65 , pp. 100614, 2020.

BibTeX | Links:

Alam, Mirza Mohtashim; Nayyeri, Mojtaba; Xu, Chengjin; Rony, Md. Rashad Al Hasan; Yazdi, Hamed Shariat; Sadeghi, Afshin; Lehmann, Jens

The Effect of Rule Injectionin a Leakage Free Dataset Inproceedings

In: Proceedings of the International Workshop on Knowledge Representation and Representation Learning co-located with the 24th European Conference on Artificial Intelligence (ECAI 2020), Virtual Event, September, 2020, pp. 28–35, CEUR-WS.org, 2020.

BibTeX | Links:

Xu, Chengjin; Nayyeri, Mojtaba; Vahdati, Sahar; Lehmann, Jens

Multiple Run Ensemble Learning with Low Dimensional Knowledge Graph Embeddings Inproceedings

In: Proceedings of the International Workshop on Knowledge Representation and Representation Learning co-located with the 24th European Conference on Artificial Intelligence (ECAI 2020), Virtual Event, September, 2020, pp. 36–42, CEUR-WS.org, 2020.

BibTeX | Links:

2019

Athanasiou, Spiros; Giannopoulos, Giorgos; Graux, Damien; Karagiannakis, Nikos; Lehmann, Jens; Ngomo, Axel-Cyrille Ngonga; Patroumpas, Kostas; Sherif, Mohamed Ahmed; Skoutas, Dimitrios

Big POI data integration with Linked Data technologies Inproceedings

In: Advances in Database Technology - 22nd International Conference on Extending Database Technology, EDBT 2019, Lisbon, Portugal, March 26-29, 2019, pp. 477–488, OpenProceedings.org, 2019.

BibTeX | Research Area: Spatial Data in the Semantic Web | Links:

Rahimbayli, Sattar; Lehmann, Jens; Deserno, Thomas M.

Pay for Performance in Electronic Data Capture for Clinical Trials and Medical Registries Inproceedings

In: ICT for Health Science Research - Proceedings of the EFMI 2019 Special Topic Conference - 7-10 April 2019, Hanover, Germany, pp. 221–225, IOS Press, 2019.

BibTeX | Links:

Chawla, Piyush; Esteves, Diego; Pujar, Karthik; Lehmann, Jens

SimpleLSTM: A Deep-Learning Approach to Simple-Claims Classification Inproceedings

In: Progress in Artificial Intelligence, 19th EPIA Conference on Artificial Intelligence, EPIA 2019, Vila Real, Portugal, September 3-6, 2019, Proceedings, Part II, pp. 244–255, Springer, 2019.

BibTeX | Links:

Dadwal, Rajjat; Graux, Damien; Sejdiu, Gezim; Jabeen, Hajira; Lehmann, Jens

Clustering Pipelines of Large RDF POI Data Inproceedings

In: The Semantic Web: ESWC 2019 Satellite Events - ESWC 2019 Satellite Events, Portorož, Slovenia, June 2-6, 2019, Revised Selected Papers, pp. 24–27, Springer, 2019.

BibTeX | Research Area: Distributed Analytics, Spatial Data in the Semantic Web | Links:

Ibrahim, Shimaa; Fathalla, Said; Yazdi, Hamed Shariat; Lehmann, Jens; Jabeen, Hajira

OECM: A Cross-Lingual Approach for Ontology Enrichment Inproceedings

In: The Semantic Web: ESWC 2019 Satellite Events - ESWC 2019 Satellite Events, Portorož, Slovenia, June 2-6, 2019, Revised Selected Papers, pp. 100–104, Springer, 2019.

BibTeX | Links:

Kassawat, Firas; Chaudhuri, Debanjan; Lehmann, Jens

Incorporating Joint Embeddings into Goal-Oriented Dialogues with Multi-task Learning Inproceedings

In: The Semantic Web - 16th International Conference, ESWC 2019, Portorož, Slovenia, June 2-6, 2019, Proceedings, pp. 225–239, Springer, 2019.

BibTeX | Research Area: Dialogue Systems | Links:

Jabeen, Hajira; Tahara, Nargis; Lehmann, Jens

EvoChef: Show Me What to Cook! Artificial Evolution of Culinary Arts Inproceedings

In: Computational Intelligence in Music, Sound, Art and Design - 8th International Conference, EvoMUSART 2019, Held as Part of EvoStar 2019, Leipzig, Germany, April 24-26, 2019, Proceedings, pp. 156–172, Springer, 2019.

BibTeX | Links:

Ibrahim, Shimaa; Fathalla, Said; Yazdi, Hamed Shariat; Lehmann, Jens; Jabeen, Hajira

From Monolingual to Multilingual Ontologies: The Role of Cross-Lingual Ontology Enrichment Inproceedings

In: Semantic Systems. The Power of AI and Knowledge Graphs - 15th International Conference, SEMANTiCS 2019, Karlsruhe, Germany, September 9-12, 2019, Proceedings, pp. 215–230, Springer, 2019.

BibTeX | Links:

Sejdiu, Gezim; Graux, Damien; Khan, Imran; Lytra, Ioanna; Jabeen, Hajira; Lehmann, Jens

Towards a Scalable Semantic-Based Distributed Approach for SPARQL Query Evaluation Inproceedings

In: Semantic Systems. The Power of AI and Knowledge Graphs - 15th International Conference, SEMANTiCS 2019, Karlsruhe, Germany, September 9-12, 2019, Proceedings, pp. 295–309, Springer, 2019.

BibTeX | Research Area: Distributed Analytics | Links:

Sui, Danning; Sejdiu, Gezim; Graux, Damien; Lehmann, Jens

The Hubs and Authorities Transaction Network Analysis using the SANSA framework Inproceedings

In: Proceedings of the Posters and Demo Track of the 15th International Conference on Semantic Systems co-located with 15th International Conference on Semantic Systems (SEMANTiCS 2019), Karlsruhe, Germany, September 9th - to - 12th, 2019, CEUR-WS.org, 2019.

BibTeX | Research Area: Distributed Analytics | Links:

Maqbool, Fahad; Razzaq, Saad; Lehmann, Jens; Jabeen, Hajira

Scalable Distributed Genetic Algorithm Using Apache Spark (S-GA) Inproceedings

In: Intelligent Computing Theories and Application - 15th International Conference, ICIC 2019, Nanchang, China, August 3-6, 2019, Proceedings, Part I, pp. 424–435, Springer, 2019.

BibTeX | Research Area: Distributed Analytics | Links:

Mami, Mohamed Nadjib; Graux, Damien; Scerri, Simon; Jabeen, Hajira; Auer, Sören; Lehmann, Jens

Uniform Access to Multiform Data Lakes using Semantic Technologies Inproceedings

In: Proceedings of the 21st International Conference on Information Integration and Web-based Applications & Services, iiWAS 2019, Munich, Germany, December 2-4, 2019, pp. 313–322, ACM, 2019.

BibTeX | Research Area: Distributed Analytics | Links:

Sakor, Ahmad; Mulang, Isaiah Onando; Singh, Kuldeep; Shekarpour, Saeedeh; Vidal, Maria-Esther; Lehmann, Jens; Auer, Sören

Old is Gold: Linguistic Driven Approach for Entity and Relation Linking of Short Text Inproceedings

In: Proceedings of the 2019 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, NAACL-HLT 2019, Minneapolis, MN, USA, June 2-7, 2019, Volume 1 (Long and Short Papers), pp. 2336–2346, Association for Computational Linguistics, 2019.

BibTeX | Research Area: Knowledge Extraction, Question Answering over Knowledge Graphs | Links:

Abdelkawi, Abdelrahman; Zafar, Hamid; Maleshkova, Maria; Lehmann, Jens

Complex Query Augmentation for Question Answering over Knowledge Graphs Inproceedings

In: On the Move to Meaningful Internet Systems: OTM 2019 Conferences - Confederated International Conferences: CoopIS, ODBASE, C&TC 2019, Rhodes, Greece, October 21-25, 2019, Proceedings, pp. 571–587, Springer, 2019.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Sadeghi, Afshin; Lehmann, Jens

Linking Physicians to Medical Research Results via Knowledge Graph Embeddings and Twitter Inproceedings

In: Machine Learning and Knowledge Discovery in Databases - International Workshops of ECML PKDD 2019, Würzburg, Germany, September 16-20, 2019, Proceedings, Part I, pp. 622–630, Springer, 2019.

BibTeX | Research Area: Representation Learning in Knowledge Graphs | Links:

Ali, Mehdi; Vahdati, Sahar; Singh, Shruti; Dasgupta, Sourish; Lehmann, Jens

Improving Access to Science for Social Good Inproceedings

In: Machine Learning and Knowledge Discovery in Databases - International Workshops of ECML PKDD 2019, Würzburg, Germany, September 16-20, 2019, Proceedings, Part I, pp. 658–673, Springer, 2019.

BibTeX | Links:

Ali, Mehdi; Jabeen, Hajira; Hoyt, Charles Tapley; Lehmann, Jens

The KEEN Universe - An Ecosystem for Knowledge Graph Embeddings with a Focus on Reproducibility and Transferability Inproceedings

In: The Semantic Web - ISWC 2019 - 18th International Semantic Web Conference, Auckland, New Zealand, October 26-30, 2019, Proceedings, Part II, pp. 3–18, Springer, 2019.

BibTeX | Research Area: Representation Learning in Knowledge Graphs | Links:

Dubey, Mohnish; Banerjee, Debayan; Abdelkawi, Abdelrahman; Lehmann, Jens

LC-QuAD 2.0: A Large Dataset for Complex Question Answering over Wikidata and DBpedia Inproceedings

In: The Semantic Web - ISWC 2019 - 18th International Semantic Web Conference, Auckland, New Zealand, October 26-30, 2019, Proceedings, Part II, pp. 69–78, Springer, 2019.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Chaudhuri, Debanjan; Rony, Md. Rashad Al Hasan; Jordan, Simon; Lehmann, Jens

Using a KG-Copy Network for Non-goal Oriented Dialogues Inproceedings

In: The Semantic Web - ISWC 2019 - 18th International Semantic Web Conference, Auckland, New Zealand, October 26-30, 2019, Proceedings, Part I, pp. 93–109, Springer, 2019.

BibTeX | Research Area: Dialogue Systems, Language Models | Links:

Frey, Johannes; Hofer, Marvin; Obraczka, Daniel; Lehmann, Jens; Hellmann, Sebastian

DBpedia FlexiFusion the Best of Wikipedia textgreater Wikidata textgreater Your Data Inproceedings

In: The Semantic Web - ISWC 2019 - 18th International Semantic Web Conference, Auckland, New Zealand, October 26-30, 2019, Proceedings, Part II, pp. 96–112, Springer, 2019.

BibTeX | Research Area: Knowledge Extraction | Links:

Mami, Mohamed Nadjib; Graux, Damien; Scerri, Simon; Jabeen, Hajira; Auer, Sören; Lehmann, Jens

Squerall: Virtual Ontology-Based Access to Heterogeneous and Large Data Sources Inproceedings

In: The Semantic Web - ISWC 2019 - 18th International Semantic Web Conference, Auckland, New Zealand, October 26-30, 2019, Proceedings, Part II, pp. 229–245, Springer, 2019.

BibTeX | Research Area: Distributed Analytics | Links:

Ali, Mehdi; Hoyt, Charles Tapley; Domingo-Fernández, Daniel; Lehmann, Jens

Predicting Missing Links Using PyKEEN Inproceedings

In: Proceedings of the ISWC 2019 Satellite Tracks (Posters & Demonstrations, Industry, and Outrageous Ideas) co-located with 18th International Semantic Web Conference (ISWC 2019), Auckland, New Zealand, October 26-30, 2019, pp. 245–248, CEUR-WS.org, 2019.

BibTeX | Research Area: Representation Learning in Knowledge Graphs | Links:

Mehmood, Qaiser; Nadgeri, Abhishek; Saleem, Muhammad; Singh, Kuldeep; Ngomo, Axel-Cyrille Ngonga; Lehmann, Jens

Microbenchmarks for Question Answering Systems Using QaldGen Inproceedings

In: Proceedings of the ISWC 2019 Satellite Tracks (Posters & Demonstrations, Industry, and Outrageous Ideas) co-located with 18th International Semantic Web Conference (ISWC 2019), Auckland, New Zealand, October 26-30, 2019, pp. 261–264, CEUR-WS.org, 2019.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Sejdiu, Gezim; Rula, Anisa; Lehmann, Jens; Jabeen, Hajira

A Scalable Framework for Quality Assessment of RDF Datasets Inproceedings

In: The Semantic Web - ISWC 2019 - 18th International Semantic Web Conference, Auckland, New Zealand, October 26-30, 2019, Proceedings, Part II, pp. 261–276, Springer, 2019.

BibTeX | Research Area: Distributed Analytics | Links:

Singh, Kuldeep; Saleem, Muhammad; Nadgeri, Abhishek; Conrads, Felix; Pan, Jeff Z.; Ngomo, Axel-Cyrille Ngonga; Lehmann, Jens

QaldGen: Towards Microbenchmarking of Question Answering Systems over Knowledge Graphs Inproceedings

In: The Semantic Web - ISWC 2019 - 18th International Semantic Web Conference, Auckland, New Zealand, October 26-30, 2019, Proceedings, Part II, pp. 277–292, Springer, 2019.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Stadler, Claus; Sejdiu, Gezim; Graux, Damien; Lehmann, Jens

Querying Large-scale RDF Datasets Using the SANSA Framework Inproceedings

In: Proceedings of the ISWC 2019 Satellite Tracks (Posters & Demonstrations, Industry, and Outrageous Ideas) co-located with 18th International Semantic Web Conference (ISWC 2019), Auckland, New Zealand, October 26-30, 2019, pp. 285–288, CEUR-WS.org, 2019.

BibTeX | Research Area: Distributed Analytics | Links:

Mami, Mohamed Nadjib; Graux, Damien; Scerri, Simon; Jabeen, Hajira; Auer, Sören; Lehmann, Jens

How to Feed the Squerall with RDF and Other Data Nuts? Inproceedings

In: Proceedings of the ISWC 2019 Satellite Tracks (Posters & Demonstrations, Industry, and Outrageous Ideas) co-located with 18th International Semantic Web Conference (ISWC 2019), Auckland, New Zealand, October 26-30, 2019, pp. 293–296, CEUR-WS.org, 2019.

BibTeX | Links:

Stadler, Claus; Sejdiu, Gezim; Graux, Damien; Lehmann, Jens

Sparklify: A Scalable Software Component for Efficient Evaluation of SPARQL Queries over Distributed RDF Datasets Inproceedings

In: The Semantic Web - ISWC 2019 - 18th International Semantic Web Conference, Auckland, New Zealand, October 26-30, 2019, Proceedings, Part II, pp. 293–308, Springer, 2019.

BibTeX | Research Area: Distributed Analytics | Links:

Kristiadi, Agustinus; Khan, Mohammad Asif; Lukovnikov, Denis; Lehmann, Jens; Fischer, Asja

Incorporating Literals into Knowledge Graph Embeddings Inproceedings

In: The Semantic Web - ISWC 2019 - 18th International Semantic Web Conference, Auckland, New Zealand, October 26-30, 2019, Proceedings, Part I, pp. 347–363, Springer, 2019.

BibTeX | Links:

Lukovnikov, Denis; Fischer, Asja; Lehmann, Jens

Pretrained Transformers for Simple Question Answering over Knowledge Graphs Inproceedings

In: The Semantic Web - ISWC 2019 - 18th International Semantic Web Conference, Auckland, New Zealand, October 26-30, 2019, Proceedings, Part I, pp. 470–486, Springer, 2019.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Maheshwari, Gaurav; Trivedi, Priyansh; Lukovnikov, Denis; Chakraborty, Nilesh; Fischer, Asja; Lehmann, Jens

Learning to Rank Query Graphs for Complex Question Answering over Knowledge Graphs Inproceedings

In: The Semantic Web - ISWC 2019 - 18th International Semantic Web Conference, Auckland, New Zealand, October 26-30, 2019, Proceedings, Part I, pp. 487–504, Springer, 2019.

BibTeX | Research Area: Language Models, Question Answering over Knowledge Graphs | Links:

Rula, Anisa; Palmonari, Matteo; Rubinacci, Simone; Ngomo, Axel-Cyrille Ngonga; Lehmann, Jens; Maurino, Andrea; Esteves, Diego

TISCO: Temporal Scoping of Facts Inproceedings

In: Companion of The 2019 World Wide Web Conference, WWW 2019, San Francisco, CA, USA, May 13-17, 2019, pp. 959–960, ACM, 2019.

BibTeX | Links:

Chaves-Fraga, David; Heyvaert, Pieter; Priyatna, Freddy; Sequeda, Juan F.; Dimou, Anastasia; Jabeen, Hajira; Graux, Damien; Sejdiu, Gezim; Saleem, Mohammed; Lehmann, Jens (Ed.)

Joint Proceedings of the 1st International Workshop on Knowledge Graph Building and 1st International Workshop on Large Scale RDF Analytics co-located with 16th Extended Semantic Web Conference (ESWC 2019), Portorož, Slovenia, June 3, 2019 Proceeding

CEUR-WS.org, 2489 , 2019.

BibTeX | Research Area: Distributed Analytics | Links:

Ali, Mehdi; Hoyt, Charles Tapley; Domingo-Fernández, Daniel; Lehmann, Jens; Jabeen, Hajira

BioKEEN: a library for learning and evaluating biological knowledge graph embeddings Journal Article

In: Bioinform., 35 (18), pp. 3538–3540, 2019.

BibTeX | Research Area: Representation Learning in Knowledge Graphs | Links:

Lorena, Ana Carolina; Garcia, Luís Paulo F.; Lehmann, Jens; Souto, Marcílio Carlos Pereira de; Ho, Tin Kam

How Complex Is Your Classification Problem?: A Survey on Measuring Classification Complexity Journal Article

In: ACM Comput. Surv., 52 (5), pp. 107:1–107:34, 2019.

BibTeX | Links:

Garcia, Luís Paulo F.; Lehmann, Jens; Carvalho, André C. P. L. F. de; Lorena, Ana Carolina

New label noise injection methods for the evaluation of noise filters Journal Article

In: Knowl. Based Syst., 163 , pp. 693–704, 2019.

BibTeX | Links:

Westphal, Patrick; Bühmann, Lorenz; Bin, Simon; Jabeen, Hajira; Lehmann, Jens

SML-Bench - A benchmarking framework for structured machine learning Journal Article

In: Semantic Web, 10 (2), pp. 231–245, 2019.

BibTeX | Research Area: Concept Learning in Description Logics | Links:

Rula, Anisa; Palmonari, Matteo; Rubinacci, Simone; Ngomo, Axel-Cyrille Ngonga; Lehmann, Jens; Maurino, Andrea; Esteves, Diego

TISCO: Temporal scoping of facts Journal Article

In: J. Web Semant., 54 , pp. 72–86, 2019.

BibTeX | Links:

2018

Chaudhuri, Debanjan; Kristiadi, Agustinus; Lehmann, Jens; Fischer, Asja

Improving Response Selection in Multi-Turn Dialogue Systems by Incorporating Domain Knowledge Inproceedings

In: Proceedings of the 22nd Conference on Computational Natural Language Learning, CoNLL 2018, Brussels, Belgium, October 31 - November 1, 2018, pp. 497–507, Association for Computational Linguistics, 2018.

BibTeX | Research Area: Dialogue Systems, Language Models | Links:

Nejad, Najmeh Mousavi; Scerri, Simon; Lehmann, Jens

KnIGHT: Mapping Privacy Policies to GDPR Inproceedings

In: Knowledge Engineering and Knowledge Management - 21st International Conference, EKAW 2018, Nancy, France, November 12-16, 2018, Proceedings, pp. 258–272, Springer, 2018.

BibTeX | Links:

Jabeen, Hajira; Dadwal, Rajjat; Sejdiu, Gezim; Lehmann, Jens

Divided We Stand Out! Forging Cohorts fOr Numeric Outlier Detection in Large Scale Knowledge Graphs (CONOD) Inproceedings

In: Knowledge Engineering and Knowledge Management - 21st International Conference, EKAW 2018, Nancy, France, November 12-16, 2018, Proceedings, pp. 534–548, Springer, 2018.

BibTeX | Research Area: Distributed Analytics | Links:

Zafar, Hamid; Napolitano, Giulio; Lehmann, Jens

Formal Query Generation for Question Answering over Knowledge Bases Inproceedings

In: The Semantic Web - 15th International Conference, ESWC 2018, Heraklion, Crete, Greece, June 3-7, 2018, Proceedings, pp. 714–728, Springer, 2018.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Thakkar, Harsh; Punjani, Dharmen; Lehmann, Jens; Auer, Sören

Two for one: querying property graph databases using SPARQL via gremlinator Inproceedings

In: Proceedings of the 1st ACM SIGMOD Joint International Workshop on Graph Data Management Experiences & Systems (GRADES) and Network Data Analytics (NDA), Houston, TX, USA, June 10, 2018, pp. 12:1–12:5, ACM, 2018.

BibTeX | Links:

Graux, Damien; Sejdiu, Gezim; Jabeen, Hajira; Lehmann, Jens; Sui, Danning; Muhs, Dominik; Pfeffer, Johannes

Profiting from Kitties on Ethereum: Leveraging Blockchain RDF with SANSA Inproceedings

In: Proceedings of the Posters and Demos Track of the 14th International Conference on Semantic Systems co-located with the 14th International Conference on Semantic Systems (SEMANTiCS 2018), Vienna, Austria, September 10-13, 2018, CEUR-WS.org, 2018.

BibTeX | Research Area: Distributed Analytics | Links:

Westphal, Patrick; Fernández, Javier D.; Kirrane, Sabrina; Lehmann, Jens

SPIRIT: A Semantic Transparency and Compliance Stack Inproceedings

In: Proceedings of the Posters and Demos Track of the 14th International Conference on Semantic Systems co-located with the 14th International Conference on Semantic Systems (SEMANTiCS 2018), Vienna, Austria, September 10-13, 2018, CEUR-WS.org, 2018.

BibTeX | Research Area: Distributed Analytics | Links:

Stadler, Claus; Saleem, Muhammad; Ngomo, Axel-Cyrille Ngonga; Lehmann, Jens

Efficiently Pinpointing SPARQL Query Containments Inproceedings

In: Web Engineering - 18th International Conference, ICWE 2018, Cáceres, Spain, June 5-8, 2018, Proceedings, pp. 210–224, Springer, 2018.

BibTeX | Links:

Collarana, Diego; Heuss, Timm; Lehmann, Jens; Lytra, Ioanna; Maheshwari, Gaurav; Nedelchev, Rostislav; Schmidt, Thorsten; Trivedi, Priyansh

A Question Answering System on Regulatory Documents Inproceedings

In: Legal Knowledge and Information Systems - JURIX 2018: The Thirty-first Annual Conference, Groningen, The Netherlands, 12-14 December 2018, pp. 41–50, IOS Press, 2018.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Zafar, Hamid; Napolitano, Giulio; Lehmann, Jens

Deep Query Ranking for Question Answering over Knowledge Bases Inproceedings

In: Machine Learning and Knowledge Discovery in Databases - European Conference, ECML PKDD 2018, Dublin, Ireland, September 10-14, 2018, Proceedings, Part III, pp. 635–638, Springer, 2018.

BibTeX | Research Area: Language Models, Question Answering over Knowledge Graphs | Links:

Saleem, Muhammad; Mehmood, Qaiser; Stadler, Claus; Lehmann, Jens; Ngomo, Axel-Cyrille Ngonga

Generating SPARQL Query Containment Benchmarks Using the SQCFramework Inproceedings

In: Proceedings of the ISWC 2018 Posters & Demonstrations, Industry and Blue Sky Ideas Tracks co-located with 17th International Semantic Web Conference (ISWC 2018), Monterey, USA, October 8th - to - 12th, 2018, CEUR-WS.org, 2018.

BibTeX | Links:

Banerjee, Debayan; Dubey, Mohnish; Chaudhuri, Debanjan; Lehmann, Jens

Joint Entity and Relation Linking Using EARL Inproceedings

In: Proceedings of the ISWC 2018 Posters & Demonstrations, Industry and Blue Sky Ideas Tracks co-located with 17th International Semantic Web Conference (ISWC 2018), Monterey, USA, October 8th - to - 12th, 2018, CEUR-WS.org, 2018.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Dubey, Mohnish; Banerjee, Debayan; Chaudhuri, Debanjan; Lehmann, Jens

EARL: Joint Entity and Relation Linking for Question Answering over Knowledge Graphs Inproceedings

In: The Semantic Web - ISWC 2018 - 17th International Semantic Web Conference, Monterey, CA, USA, October 8-12, 2018, Proceedings, Part I, pp. 108–126, Springer, 2018.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Sejdiu, Gezim; Ermilov, Ivan; Lehmann, Jens; Mami, Mohamed Nadjib

DistLODStats: Distributed Computation of RDF Dataset Statistics Inproceedings

In: The Semantic Web - ISWC 2018 - 17th International Semantic Web Conference, Monterey, CA, USA, October 8-12, 2018, Proceedings, Part II, pp. 206–222, Springer, 2018.

BibTeX | Research Area: Distributed Analytics | Links:

Sejdiu, Gezim; Ermilov, Ivan; Mami, Mohamed Nadjib; Lehmann, Jens

STATisfy Me: What Are My Stats? Inproceedings

In: Proceedings of the ISWC 2018 Posters & Demonstrations, Industry and Blue Sky Ideas Tracks co-located with 17th International Semantic Web Conference (ISWC 2018), Monterey, USA, October 8th - to - 12th, 2018, CEUR-WS.org, 2018.

BibTeX | Research Area: Distributed Analytics | Links:

Bühmann, Lorenz; Lehmann, Jens; Westphal, Patrick; Bin, Simon

DL-Learner Structured Machine Learning on Semantic Web Data Inproceedings

In: Companion of the The Web Conference 2018 on The Web Conference 2018, WWW 2018, Lyon , France, April 23-27, 2018, pp. 467–471, ACM, 2018.

BibTeX | Research Area: Concept Learning in Description Logics | Links:

Staab, Steffen; Lehmann, Jens; Verborgh, Ruben

Structured Knowledge on the Web 7.0 Inproceedings

In: Companion of the The Web Conference 2018 on The Web Conference 2018, WWW 2018, Lyon , France, April 23-27, 2018, pp. 885–886, ACM, 2018.

BibTeX | Links:

Singh, Kuldeep; Radhakrishna, Arun Sethupat; Both, Andreas; Shekarpour, Saeedeh; Lytra, Ioanna; Usbeck, Ricardo; Vyas, Akhilesh; Khikmatullaev, Akmal; Punjani, Dharmen; Lange, Christoph; Vidal, Maria-Esther; Lehmann, Jens; Auer, Sören

Why Reinvent the Wheel: Let's Build Question Answering Systems Together Inproceedings

In: Proceedings of the 2018 World Wide Web Conference on World Wide Web, WWW 2018, Lyon, France, April 23-27, 2018, pp. 1247–1256, ACM, 2018.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Berners-Lee, Tim; Capadisli, Sarven; Dietze, Stefan; Hogan, Aidan; Janowicz, Krzysztof; Lehmann, Jens (Ed.)

Workshop on Linked Data on the Web co-located with The Web Conference 2018, LDOW@WWW 2018, Lyon, France April 23rd, 2018 Proceeding

CEUR-WS.org, 2073 , 2018.

BibTeX | Links:

Acosta, Maribel; Zaveri, Amrapali; Simperl, Elena; Kontokostas, Dimitris; Flöck, Fabian; Lehmann, Jens

Detecting Linked Data quality issues via crowdsourcing: A DBpedia study Journal Article

In: Semantic Web, 9 (3), pp. 303–335, 2018.

BibTeX | Links:

Esteves, Diego; Rula, Anisa; Reddy, Aniketh Janardhan; Lehmann, Jens

Toward Veracity Assessment in RDF Knowledge Bases: An Exploratory Analysis Journal Article

In: ACM J. Data Inf. Qual., 9 (3), pp. 16:1–16:26, 2018.

BibTeX | Links:

Ismayilov, Ali; Kontokostas, Dimitris; Auer, Sören; Lehmann, Jens; Hellmann, Sebastian

Wikidata through the eyes of DBpedia Journal Article

In: Semantic Web, 9 (4), pp. 493–503, 2018.

BibTeX | Research Area: Knowledge Extraction | Links:

Esteves, Diego; Reddy, Aniketh Janardhan; Chawla, Piyush; Lehmann, Jens

Belittling the Source: Trustworthiness Indicators to Obfuscate Fake News on the Web Inproceedings

In: Proceedings of the First Workshop on Fact Extraction and VERification, FEVER@EMNLP 2018, Brussels, Belgium, November 1, 2018, pp. 50–59, Association for Computational Linguistics, 2018.

BibTeX | Links:

2017

Bin, Simon; Westphal, Patrick; Lehmann, Jens; Ngonga, Axel

Implementing scalable structured machine learning for big data in the SAKE project Inproceedings

In: 2017 IEEE International Conference on Big Data, BigData 2017, Boston, MA, USA, December 11-14, 2017, pp. 1400–1407, IEEE Computer Society, 2017.

BibTeX | Research Area: Concept Learning in Description Logics | Links:

Jabeen, Hajira; Archer, Phil; Scerri, Simon; Versteden, Aad; Ermilov, Ivan; Mouchakis, Giannis; Lehmann, Jens; Auer, Sören

Big Data Europe Inproceedings

In: Proceedings of the Workshops of the EDBT/ICDT 2017 Joint Conference (EDBT/ICDT 2017), Venice, Italy, March 21-24, 2017, CEUR-WS.org, 2017.

BibTeX | Research Area: Distributed Analytics | Links:

Stadler, Claus; Lehmann, Jens

JPA Criteria Queries over RDF Data Inproceedings

In: Joint Proceedings of the 2nd RDF Stream Processing (RSP 2017) and the Querying the Web of Data (QuWeDa 2017) Workshops co-located with 14th ESWC 2017 (ESWC 2017), Portoroz, Slovenia, May 28th - to - 29th, 2017, pp. 55–62, CEUR-WS.org, 2017.

BibTeX | Links:

Sherif, Mohamed Ahmed; Ngomo, Axel-Cyrille Ngonga; Lehmann, Jens

Wombat - A Generalization Approach for Automatic Link Discovery Inproceedings

In: The Semantic Web - 14th International Conference, ESWC 2017, Portorož, Slovenia, May 28 - June 1, 2017, Proceedings, Part I, pp. 103–119, 2017.

BibTeX | Links:

Thakkar, Harsh; Keswani, Yashwant; Dubey, Mohnish; Lehmann, Jens; Auer, Sören

Trying Not to Die Benchmarking: Orchestrating RDF and Graph Data Management Solution Benchmarks Using LITMUS Inproceedings

In: Proceedings of the 13th International Conference on Semantic Systems, SEMANTICS 2017, Amsterdam, The Netherlands, September 11-14, 2017, pp. 120–127, ACM, 2017.

BibTeX | Links:

Petzka, Henning; Stadler, Claus; Katsimpras, Georgios; Haarmann, Bastian; Lehmann, Jens

Benchmarking Faceted Browsing Capabilities of Triplestores Inproceedings

In: Proceedings of the 13th International Conference on Semantic Systems, SEMANTICS 2017, Amsterdam, The Netherlands, September 11-14, 2017, pp. 128–135, ACM, 2017.

BibTeX | Links:

Auer, Sören; Scerri, Simon; Versteden, Aad; Pauwels, Erika; Charalambidis, Angelos; Konstantopoulos, Stasinos; Lehmann, Jens; Jabeen, Hajira; Ermilov, Ivan; Sejdiu, Gezim; Ikonomopoulos, Andreas; Andronopoulos, Spyros; Vlachogiannis, Mandy; Pappas, Charalambos; Davettas, Athanasios; Klampanos, Iraklis A.; Grigoropoulos, Efstathios; Karkaletsis, Vangelis; Boer, Victor de; Siebes, Ronald; Mami, Mohamed Nadjib; Albani, Sergio; Lazzarini, Michele; Nunes, Paulo; Angiuli, Emanuele; Pittaras, Nikiforos; Giannakopoulos, George; Argyriou, Giorgos; Stamoulis, George; Papadakis, George; Koubarakis, Manolis; Karampiperis, Pythagoras; Ngomo, Axel-Cyrille Ngonga; Vidal, Maria-Esther

The BigDataEurope Platform - Supporting the Variety Dimension of Big Data Inproceedings

In: Web Engineering - 17th International Conference, ICWE 2017, Rome, Italy, June 5-8, 2017, Proceedings, pp. 41–59, Springer, 2017.

BibTeX | Research Area: Distributed Analytics | Links:

Esteves, Diego; Peres, Rafael; Lehmann, Jens; Napolitano, Giulio

Named Entity Recognition in Twitter Using Images and Text Inproceedings

In: Current Trends in Web Engineering - ICWE 2017 International Workshops, Liquid Multi-Device Software and EnWoT, practi-O-web, NLPIT, SoWeMine, Rome, Italy, June 5-8, 2017, Revised Selected Papers, pp. 191–199, Springer, 2017.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Maheshwari, Gaurav; Trivedi, Priyansh; Sahijwani, Harshita; Jha, Kunal; Dasgupta, Sourish; Lehmann, Jens

SimDoc: Topic Sequence Alignment based Document Similarity Framework Inproceedings

In: Proceedings of the Knowledge Capture Conference, K-CAP 2017, Austin, TX, USA, December 4-6, 2017, pp. 16:1–16:8, ACM, 2017.

BibTeX | Links:

Saleem, Muhammad; Stadler, Claus; Mehmood, Qaiser; Lehmann, Jens; Ngomo, Axel-Cyrille Ngonga

SQCFramework: SPARQL Query Containment Benchmark Generation Framework Inproceedings

In: Proceedings of the Knowledge Capture Conference, K-CAP 2017, Austin, TX, USA, December 4-6, 2017, pp. 28:1–28:8, ACM, 2017.

BibTeX | Links:

Ermilov, Ivan; Ngomo, Axel-Cyrille Ngonga; Versteden, Aad; Jabeen, Hajira; Sejdiu, Gezim; Argyriou, Giorgos; Selmi, Luigi; Jakobitsch, Jürgen; Lehmann, Jens

Managing Lifecycle of Big Data Applications Inproceedings

In: Knowledge Engineering and Semantic Web - 8th International Conference, KESW 2017, Szczecin, Poland, November 8-10, 2017, Proceedings, pp. 263–276, Springer, 2017.

BibTeX | Research Area: Distributed Analytics | Links:

Marx, Edgard; Shekarpour, Saeedeh; Soru, Tommaso; Brasoveanu, Adrian M. P.; Saleem, Muhammad; Baron, Ciro; Weichselbraun, Albert; Lehmann, Jens; Ngomo, Axel-Cyrille Ngonga; Auer, Sören

Torpedo: Improving the State-of-the-Art RDF Dataset Slicing Inproceedings

In: 11th IEEE International Conference on Semantic Computing, ICSC 2017, San Diego, CA, USA, January 30 - February 1, 2017, pp. 149–156, IEEE Computer Society, 2017.

BibTeX | Links:

Conrads, Felix; Lehmann, Jens; Saleem, Muhammad; Ngomo, Axel-Cyrille Ngonga

Benchmarking RDF Storage Solutions with IGUANA Inproceedings

In: Proceedings of the ISWC 2017 Posters & Demonstrations and Industry Tracks co-located with 16th International Semantic Web Conference (ISWC 2017), Vienna, Austria, October 23rd - to - 25th, 2017, CEUR-WS.org, 2017.

BibTeX | Links:

Conrads, Felix; Lehmann, Jens; Saleem, Muhammad; Morsey, Mohamed; Ngomo, Axel-Cyrille Ngonga

Iguana: A Generic Framework for Benchmarking the Read-Write Performance of Triple Stores Inproceedings

In: The Semantic Web - ISWC 2017 - 16th International Semantic Web Conference, Vienna, Austria, October 21-25, 2017, Proceedings, Part II, pp. 48–65, Springer, 2017.

BibTeX | Links:

Ermilov, Ivan; Lehmann, Jens; Sejdiu, Gezim; Bühmann, Lorenz; Westphal, Patrick; Stadler, Claus; Bin, Simon; Chakraborty, Nilesh; Petzka, Henning; Saleem, Muhammad; Ngomo, Axel-Cyrille Ngonga; Jabeen, Hajira

The Tale of Sansa Spark Inproceedings

In: Proceedings of the ISWC 2017 Posters & Demonstrations and Industry Tracks co-located with 16th International Semantic Web Conference (ISWC 2017), Vienna, Austria, October 23rd - to - 25th, 2017, CEUR-WS.org, 2017.

BibTeX | Research Area: Distributed Analytics | Links:

Lehmann, Jens; Sejdiu, Gezim; Bühmann, Lorenz; Westphal, Patrick; Stadler, Claus; Ermilov, Ivan; Bin, Simon; Chakraborty, Nilesh; Saleem, Muhammad; Ngomo, Axel-Cyrille Ngonga; Jabeen, Hajira

Distributed Semantic Analytics Using the SANSA Stack Inproceedings

In: The Semantic Web - ISWC 2017 - 16th International Semantic Web Conference, Vienna, Austria, October 21-25, 2017, Proceedings, Part II, pp. 147–155, Springer, 2017.

BibTeX | Research Area: Distributed Analytics | Links:

Maheshwari, Gaurav; Dubey, Mohnish; Trivedi, Priyansh; Lehmann, Jens

How to Revert Question Answering on Knowledge Graphs Inproceedings

In: Proceedings of the ISWC 2017 Posters & Demonstrations and Industry Tracks co-located with 16th International Semantic Web Conference (ISWC 2017), Vienna, Austria, October 23rd - to - 25th, 2017, CEUR-WS.org, 2017.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Meester, Ben De; Dimou, Anastasia; Maroy, Wouter; Kontokostas, Dimitris; Verborgh, Ruben; Lehmann, Jens; Mannens, Erik; Hellmann, Sebastian

A Vocabulary-Independent Generation Framework for DBpedia and Beyond Inproceedings

In: Proceedings of the ISWC 2017 Posters & Demonstrations and Industry Tracks co-located with 16th International Semantic Web Conference (ISWC 2017), Vienna, Austria, October 23rd - to - 25th, 2017, CEUR-WS.org, 2017.

BibTeX | Research Area: Knowledge Extraction | Links:

Trivedi, Priyansh; Maheshwari, Gaurav; Dubey, Mohnish; Lehmann, Jens

LC-QuAD: A Corpus for Complex Question Answering over Knowledge Graphs Inproceedings

In: The Semantic Web - ISWC 2017 - 16th International Semantic Web Conference, Vienna, Austria, October 21-25, 2017, Proceedings, Part II, pp. 210–218, Springer, 2017.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Maroy, Wouter; Dimou, Anastasia; Kontokostas, Dimitris; Meester, Ben De; Verborgh, Ruben; Lehmann, Jens; Mannens, Erik; Hellmann, Sebastian

Sustainable Linked Data Generation: The Case of DBpedia Inproceedings

In: The Semantic Web - ISWC 2017 - 16th International Semantic Web Conference, Vienna, Austria, October 21-25, 2017, Proceedings, Part II, pp. 297–313, Springer, 2017.

BibTeX | Research Area: Knowledge Extraction | Links:

Esteves, Diego; Moussallem, Diego; Soru, Tommaso; Neto, Ciro Baron; Lehmann, Jens; Ngomo, Axel-Cyrille Ngonga; Duarte, Julio Cesar

LOG4MEX: a library to export machine learning experiments Inproceedings

In: Proceedings of the International Conference on Web Intelligence, Leipzig, Germany, August 23-26, 2017, pp. 139–145, ACM, 2017.

BibTeX | Links:

Lukovnikov, Denis; Fischer, Asja; Lehmann, Jens; Auer, Sören

Neural Network-based Question Answering over Knowledge Graphs on Word and Character Level Inproceedings

In: Proceedings of the 26th International Conference on World Wide Web, WWW 2017, Perth, Australia, April 3-7, 2017, pp. 1211–1220, ACM, 2017.

BibTeX | Research Area: Language Models, Question Answering over Knowledge Graphs, Top Publications | Links:

Lehmann, Jens; Auer, Sören; Capadisli, Sarven; Janowicz, Krzysztof; Bizer, Christian; Heath, Tom; Hogan, Aidan; Berners-Lee, Tim

LDOW2017: 10th Workshop on Linked Data on the Web Inproceedings

In: Proceedings of the 26th International Conference on World Wide Web Companion, Perth, Australia, April 3-7, 2017, pp. 1679–1680, ACM, 2017.

BibTeX | Links:

Usbeck, Ricardo; Hoffmann, Michael; Röder, Michael; Lehmann, Jens; Ngomo, Axel-Cyrille Ngonga

Using Multi-Label Classification for Improved Question Answering Informal Publications

2017.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Auer, Sören; Berners-Lee, Tim; Bizer, Christian; Capadisli, Sarven; Heath, Tom; Janowicz, Krzysztof; Lehmann, Jens (Ed.)

Workshop on Linked Data on the Web co-located with 26th International World Wide Web Conference (WWW 2017) Proceeding

CEUR-WS.org, 2017.

BibTeX | Links:

Höffner, Konrad; Walter, Sebastian; Marx, Edgard; Usbeck, Ricardo; Lehmann, Jens; Ngomo, Axel-Cyrille Ngonga

Survey on challenges of Question Answering in the Semantic Web Journal Article

In: Semantic Web, 8 (6), pp. 895–920, 2017.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

2016

Bin, Simon; Bühmann, Lorenz; Lehmann, Jens; Ngomo, Axel-Cyrille Ngonga

Towards SPARQL-Based Induction for Large-Scale RDF Data Sets Inproceedings

In: ECAI 2016 - 22nd European Conference on Artificial Intelligence, 29 August-2 September 2016, The Hague, The Netherlands - Including Prestigious Applications of Artificial Intelligence (PAIS 2016), pp. 1551–1552, IOS Press, 2016.

BibTeX | Research Area: Concept Learning in Description Logics | Links:

Rizzo, Giuseppe; Fanizzi, Nicola; Lehmann, Jens; Bühmann, Lorenz

Integrating New Refinement Operators in Terminological Decision Trees Learning Inproceedings

In: Knowledge Engineering and Knowledge Management - 20th International Conference, EKAW 2016, Bologna, Italy, November 19-23, 2016, Proceedings, pp. 511–526, 2016.

BibTeX | Research Area: Concept Learning in Description Logics | Links:

Hassan, Umair ul; Zaveri, Amrapali; Marx, Edgard; Curry, Edward; Lehmann, Jens

ACRyLIQ: Leveraging DBpedia for Adaptive Crowdsourcing in Linked Data Quality Assessment Inproceedings

In: Knowledge Engineering and Knowledge Management - 20th International Conference, EKAW 2016, Bologna, Italy, November 19-23, 2016, Proceedings, pp. 681–696, 2016.

BibTeX | Research Area: Concept Learning in Description Logics | Links:

Dubey, Mohnish; Dasgupta, Sourish; Sharma, Ankit; Höffner, Konrad; Lehmann, Jens

AskNow: A Framework for Natural Language Query Formalization in SPARQL Inproceedings

In: The Semantic Web. Latest Advances and New Domains - 13th International Conference, ESWC 2016, Heraklion, Crete, Greece, May 29 - June 2, 2016, Proceedings, pp. 300–316, Springer, 2016.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Kontokostas, Dimitris; Mader, Christian; Dirschl, Christian; Eck, Katja; Leuthold, Michael; Lehmann, Jens; Hellmann, Sebastian

Semantically Enhanced Quality Assurance in the JURION Business Use Case Inproceedings

In: The Semantic Web. Latest Advances and New Domains - 13th International Conference, ESWC 2016, Heraklion, Crete, Greece, May 29 - June 2, 2016, Proceedings, pp. 661–676, Springer, 2016.

BibTeX | Links:

Marx, Edgard; Zaveri, Amrapali; Mohammed, Mofeed; Rautenberg, Sandro; Lehmann, Jens; Ngomo, Axel-Cyrille Ngonga; Cheng, Gong

DBtrends: Publishing and Benchmarking RDF Ranking Functions Inproceedings

In: Proceedings of the 2nd International Workshop on Summarizing and Presenting Entities and Ontologies (SumPre 2016) co-located with the 13th Extended Semantic Web Conference (ESWC 2016), Anissaras, Greece, May 30, 2016, CEUR-WS.org, 2016.

BibTeX | Links:

Esteves, Diego; Mendes, Pablo N.; Moussallem, Diego; Duarte, Julio Cesar; Zaveri, Amrapali; Lehmann, Jens

MEX Interfaces: Automating Machine Learning Metadata Generation Inproceedings

In: Proceedings of the 12th International Conference on Semantic Systems, SEMANTICS 2016, Leipzig, Germany, September 12-15, 2016, pp. 17–24, ACM, 2016.

BibTeX | Links:

Marx, Edgard; Höffner, Konrad; Shekarpour, Saeedeh; Ngomo, Axel-Cyrille Ngonga; Lehmann, Jens; Auer, Sören

Exploring Term Networks for Semantic Search over RDF Knowledge Graphs Inproceedings

In: Metadata and Semantics Research - 10th International Conference, MTSR 2016, Göttingen, Germany, November 22-25, 2016, Proceedings, pp. 249–261, 2016.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Dimou, Anastasia; Kontokostas, Dimitris; Freudenberg, Markus; Verborgh, Ruben; Lehmann, Jens; Mannens, Erik; Hellmann, Sebastian

DBpedia Mappings Quality Assessment Inproceedings

In: Proceedings of the ISWC 2016 Posters & Demonstrations Track co-located with 15th International Semantic Web Conference (ISWC 2016), Kobe, Japan, October 19, 2016, CEUR-WS.org, 2016.

BibTeX | Links:

Ermilov, Ivan; Lehmann, Jens; Martin, Michael; Auer, Sören

LODStats: The Data Web Census Dataset Inproceedings

In: The Semantic Web - ISWC 2016 - 15th International Semantic Web Conference, Kobe, Japan, October 17-21, 2016, Proceedings, Part II, pp. 38–46, 2016.

BibTeX | Links:

Sherif, Mohamed Ahmed; Hassan, Mofeed M.; Soru, Tommaso; Ngomo, Axel-Cyrille Ngonga; Lehmann, Jens

Lion's Den: feeding the LinkLion Inproceedings

In: Proceedings of the 11th International Workshop on Ontology Matching co-located with the 15th International Semantic Web Conference (ISWC 2016), Kobe, Japan, October 18, 2016, pp. 235–236, CEUR-WS.org, 2016.

BibTeX | Links:

Höffner, Konrad; Lehmann, Jens; Usbeck, Ricardo

CubeQA - Question Answering on RDF Data Cubes Inproceedings

In: The Semantic Web - ISWC 2016 - 15th International Semantic Web Conference, Kobe, Japan, October 17-21, 2016, Proceedings, Part I, pp. 325–340, 2016.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Paulheim, Heiko; Lehmann, Jens; Svátek, Vojtech; Knoblock, Craig A.; Horridge, Matthew; Lambrix, Patrick; Parsia, Bijan (Ed.)

Joint Proceedings of the 5th Workshop on Data Mining and Knowledge Discovery meets Linked Open Data and the 1st International Workshop on Completing and Debugging the Semantic Web (Know@LOD-2016, CoDeS-2016) co-located with 13th ESWC 2016, Heraklion, Greece, May 30th, 2016 Proceeding

CEUR-WS.org, 1586 , 2016.

BibTeX | Links:

Bühmann, Lorenz; Lehmann, Jens; Westphal, Patrick

DL-Learner - A framework for inductive learning on the Semantic Web Journal Article

In: J. Web Semant., 39 , pp. 15–24, 2016.

BibTeX | Research Area: Concept Learning in Description Logics | Links:

Höffner, Konrad; Martin, Michael; Lehmann, Jens

LinkedSpending: OpenSpending becomes Linked Open Data Journal Article

In: Semantic Web, 7 (1), pp. 95–104, 2016.

BibTeX | Links:

Zaveri, Amrapali; Rula, Anisa; Maurino, Andrea; Pietrobon, Ricardo; Lehmann, Jens; Auer, Sören

Quality assessment for Linked Data: A Survey Journal Article

In: Semantic Web, 7 (1), pp. 63–93, 2016.

BibTeX | Links:

2015

Lehmann, Jens; Isele, Robert; Jakob, Max; Jentzsch, Anja; Kontokostas, Dimitris; Mendes, Pablo N.; Hellmann, Sebastian; Morsey, Mohamed; Kleef, Patrick van; Auer, Sören; Bizer, Christian

DBpedia - A large-scale, multilingual knowledge base extracted from Wikipedia Journal Article

In: Semantic Web, 6 (2), pp. 167–195, 2015, (SWJ Outstanding Paper Award 2014).

BibTeX | Research Area: Knowledge Extraction, Top Publications | Links:

Sherif, Mohamed Ahmed; Ngomo, Axel-Cyrille Ngonga; Lehmann, Jens

Automating RDF Dataset Transformation and Enrichment Inproceedings

In: The Semantic Web. Latest Advances and New Domains - 12th European Semantic Web Conference, ESWC 2015, Portoroz, Slovenia, May 31 - June 4, 2015. Proceedings, pp. 371–387, Springer, 2015.

BibTeX | Links:

Ermilov, Ivan; Hoeffner, Konrad; Lehmann, Jens; Mouromtsev, Dmitry

kOre: Using Linked Data for OpenScience Information Integration Inproceedings

In: Joint Proceedings of the Posters and Demos Track of 11th International Conference on Semantic Systems - SEMANTiCS 2015 and 1st Workshop on Data Science: Methods, Technology and Applications (DSci15) 11th International Conference on Semantic Systems - SEMANTiCS 2015, Vienna, Austria, September 15-17, 2015, pp. 67–70, CEUR-WS.org, 2015.

BibTeX | Links:

Both, Andreas; Wauer, Matthias; García-Rojas, Alejandra; Hladky, Daniel; Lehmann, Jens

The GeoKnow Generator Workbench - An Integrated Tool Supporting the Linked Data Lifecycle for Enterprise Usage Inproceedings

In: Joint Proceedings of the Posters and Demos Track of 11th International Conference on Semantic Systems - SEMANTiCS 2015 and 1st Workshop on Data Science: Methods, Technology and Applications (DSci15) 11th International Conference on Semantic Systems - SEMANTiCS 2015, Vienna, Austria, September 15-17, 2015, pp. 92–95, CEUR-WS.org, 2015.

BibTeX | Research Area: Concept Learning in Description Logics, Knowledge Extraction | Links:

Stadler, Claus; Arndt, Natanael; Martin, Michael; Lehmann, Jens

RDF Editing on the Web Inproceedings

In: Joint Proceedings of the Posters and Demos Track of 11th International Conference on Semantic Systems - SEMANTiCS 2015 and 1st Workshop on Data Science: Methods, Technology and Applications (DSci15) 11th International Conference on Semantic Systems - SEMANTiCS 2015, Vienna, Austria, September 15-17, 2015, pp. 96–99, CEUR-WS.org, 2015.

BibTeX | Links:

Esteves, Diego; Moussallem, Diego; Neto, Ciro Baron; Soru, Tommaso; Usbeck, Ricardo; Ackermann, Markus; Lehmann, Jens

MEX vocabulary: a lightweight interchange format for machine learning experiments Inproceedings

In: Proceedings of the 11th International Conference on Semantic Systems, SEMANTICS 2015, Vienna, Austria, September 15-17, 2015, pp. 169–176, ACM, 2015.

BibTeX | Links:

Fossati, Marco; Kontokostas, Dimitris; Lehmann, Jens

Unsupervised learning of an extensive and usable taxonomy for DBpedia Inproceedings

In: Proceedings of the 11th International Conference on Semantic Systems, SEMANTICS 2015, Vienna, Austria, September 15-17, 2015, pp. 177–184, ACM, 2015.

BibTeX | Research Area: Knowledge Extraction | Links:

Dimou, Anastasia; Kontokostas, Dimitris; Freudenberg, Markus; Verborgh, Ruben; Lehmann, Jens; Mannens, Erik; Hellmann, Sebastian; Walle, Rik Van de

Assessing and Refining Mappings to RDF to Improve Dataset Quality Inproceedings

In: The Semantic Web - ISWC 2015 - 14th International Semantic Web Conference, Bethlehem, PA, USA, October 11-15, 2015, Proceedings, Part II, pp. 133–149, Springer, 2015.

BibTeX | Links:

Dimou, Anastasia; Kontokostas, Dimitris; Freudenberg, Markus; Verborgh, Ruben; Lehmann, Jens; Mannens, Erik; Hellmann, Sebastian; Walle, Rik Van de

Test-driven Assessment of [R2]RML Mappings to Improve Dataset Quality Inproceedings

In: Proceedings of the ISWC 2015 Posters & Demonstrations Track co-located with the 14th International Semantic Web Conference (ISWC-2015), Bethlehem, PA, USA, October 11, 2015, CEUR-WS.org, 2015.

BibTeX | Links:

Esteves, Diego; Moussallem, Diego; Neto, Ciro Baron; Lehmann, Jens; Cavalcanti, Maria Cláudia; Duarte, Julio Cesar

Interoperable Machine Learning Metadata using MEX Inproceedings

In: Proceedings of the ISWC 2015 Posters & Demonstrations Track co-located with the 14th International Semantic Web Conference (ISWC-2015), Bethlehem, PA, USA, October 11, 2015, CEUR-WS.org, 2015.

BibTeX | Links:

Knuth, Magnus; Lehmann, Jens; Kontokostas, Dimitris; Steiner, Thomas; Sack, Harald

The DBpedia Events Dataset Inproceedings

In: Proceedings of the ISWC 2015 Posters & Demonstrations Track co-located with the 14th International Semantic Web Conference (ISWC-2015), Bethlehem, PA, USA, October 11, 2015, CEUR-WS.org, 2015.

BibTeX | Research Area: Knowledge Extraction | Links:

Marx, Edgard; Soru, Tommaso; Esteves, Diego; Ngomo, Axel-Cyrille Ngonga; Lehmann, Jens

An Open Question Answering Framework Inproceedings

In: Proceedings of the ISWC 2015 Posters & Demonstrations Track co-located with the 14th International Semantic Web Conference (ISWC-2015), Bethlehem, PA, USA, October 11, 2015, CEUR-WS.org, 2015.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Vaidya, Gaurav; Kontokostas, Dimitris; Knuth, Magnus; Lehmann, Jens; Hellmann, Sebastian

DBpedia Commons: Structured Multimedia Metadata from the Wikimedia Commons Inproceedings

In: The Semantic Web - ISWC 2015 - 14th International Semantic Web Conference, Bethlehem, PA, USA, October 11-15, 2015, Proceedings, Part II, pp. 281–289, Springer, 2015.

BibTeX | Research Area: Knowledge Extraction | Links:

Hassan, Mofeed M.; Lehmann, Jens; Ngomo, Axel-Cyrille Ngonga

Interlinking: Performance Assessment of User Evaluation vs. Supervised Learning Approaches Inproceedings

In: Proceedings of the Workshop on Linked Data on the Web, LDOW 2015, co-located with the 24th International World Wide Web Conference (WWW 2015), Florence, Italy, May 19th, 2015, CEUR-WS.org, 2015.

BibTeX | Links:

Stadler, Claus; Unbehauen, Jörg; Westphal, Patrick; Sherif, Mohamed Ahmed; Lehmann, Jens

Simplified RDB2RDF Mapping Inproceedings

In: Proceedings of the Workshop on Linked Data on the Web, LDOW 2015, co-located with the 24th International World Wide Web Conference (WWW 2015), Florence, Italy, May 19th, 2015, CEUR-WS.org, 2015.

BibTeX | Research Area: Knowledge Extraction | Links:

Lehmann, Jens; Athanasiou, Spiros; Both, Andreas; García-Rojas, Alejandra; Giannopoulos, Giorgos; Hladky, Daniel; Grange, Jon Jay Le; Ngomo, Axel-Cyrille Ngonga; Sherif, Mohamed Ahmed; Stadler, Claus; Wauer, Matthias; Westphal, Patrick; Zaslawski, Vadim

Managing Geospatial Linked Data in the GeoKnow Project Incollection

In: The Semantic Web in Earth and Space Science. Current Status and Future Directions, 20 , pp. 51–78, IOS Press, 2015.

BibTeX | Research Area: Spatial Data in the Semantic Web | Links:

Völker, Johanna; Paulheim, Heiko; Lehmann, Jens; Svátek, Vojtech (Ed.)

Proceedings of the 4th Workshop on Knowledge Discovery and Data Mining Meets Linked Open Data co-located with 12th Extended Semantic Web Conference (ESWC 2015), Portoroz, Slovenia, May 31, 2015 Proceeding

CEUR-WS.org, 1365 , 2015.

BibTeX | Links:

Lehmann, Jens; Corcho, Óscar

2nd special issue on Linked Dataset Descriptions Journal Article

In: Semantic Web, 6 (2), pp. 103–104, 2015.

BibTeX | Links:

Gerber, Daniel; Esteves, Diego; Lehmann, Jens; Bühmann, Lorenz; Usbeck, Ricardo; Ngomo, Axel-Cyrille Ngonga; Speck, René

DeFacto - Temporal and multilingual Deep Fact Validation Journal Article

In: J. Web Semant., 35 , pp. 85–101, 2015.

BibTeX | Links:

2014

Lehmann, Jens; Völker, Johanna

Perspectives on Ontology Learning Book

IOS Press, 2014, ISBN: 978-1-61499-378-0.

BibTeX | Research Area: Concept Learning in Description Logics | Links:

Bühmann, Lorenz; Fleischhacker, Daniel; Lehmann, Jens; Melo, André; Völker, Johanna

Inductive Lexical Learning of Class Expressions Inproceedings

In: Knowledge Engineering and Knowledge Management - 19th International Conference, EKAW 2014, Linköping, Sweden, November 24-28, 2014. Proceedings, pp. 42–53, Springer, 2014.

BibTeX | Research Area: Concept Learning in Description Logics | Links:

Cherix, Didier; Usbeck, Ricardo; Both, Andreas; Lehmann, Jens

CROCUS: Cluster-based Ontology Data Cleansing Inproceedings

In: Joint Proceedings of the Second International Workshop on Semantic Web Enterprise Adoption and Best Practice and Second International Workshop on Finance and Economics on the Semantic Web Co-located with 11th European Semantic Web Conference, WaSABi-FEOSW@ESWC 2014, Anissaras, Greece, May 26, 2014, CEUR-WS.org, 2014.

BibTeX | Links:

Cherix, Didier; Usbeck, Ricardo; Both, Andreas; Lehmann, Jens

Lessons Learned - The Case of CROCUS: Cluster-Based Ontology Data Cleansing Inproceedings

In: The Semantic Web: ESWC 2014 Satellite Events - ESWC 2014 Satellite Events, Anissaras, Crete, Greece, May 25-29, 2014, Revised Selected Papers, pp. 14–24, Springer, 2014.

BibTeX | Links:

Kontokostas, Dimitris; Brümmer, Martin; Hellmann, Sebastian; Lehmann, Jens; Ioannidis, Lazaros

NLP Data Cleansing Based on Linguistic Ontology Constraints Inproceedings

In: The Semantic Web: Trends and Challenges - 11th International Conference, ESWC 2014, Anissaras, Crete, Greece, May 25-29, 2014. Proceedings, pp. 224–239, Springer, 2014.

BibTeX | Links:

Rula, Anisa; Palmonari, Matteo; Ngomo, Axel-Cyrille Ngonga; Gerber, Daniel; Lehmann, Jens; Bühmann, Lorenz

Hybrid Acquisition of Temporal Scopes for RDF Data Inproceedings

In: The Semantic Web: Trends and Challenges - 11th International Conference, ESWC 2014, Anissaras, Crete, Greece, May 25-29, 2014. Proceedings, pp. 488–503, Springer, 2014.

BibTeX | Links:

Marx, Edgard; Usbeck, Ricardo; Ngomo, Axel-Cyrille Ngonga; Höffner, Konrad; Lehmann, Jens; Auer, Sören

Towards an open question answering architecture Inproceedings

In: Proceedings of the 10th International Conference on Semantic Systems, SEMANTICS 2014, Leipzig, Germany, September 4-5, 2014, pp. 57–60, ACM, 2014.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Höffner, Konrad; Lehmann, Jens

Towards question answering on statistical linked data Inproceedings

In: Proceedings of the 10th International Conference on Semantic Systems, SEMANTICS 2014, Leipzig, Germany, September 4-5, 2014, pp. 61–64, ACM, 2014.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Lukovnikov, Denis; Stadler, Claus; Lehmann, Jens

LD viewer - linked data presentation framework Inproceedings

In: Proceedings of the 10th International Conference on Semantic Systems, SEMANTICS 2014, Leipzig, Germany, September 4-5, 2014, pp. 124–131, ACM, 2014.

BibTeX | Links:

Badie, Farshad; Soru, Tommaso; Lehmann, Jens

A Fuzzy Knowledge Representation Model for Student Performance Assessment Inproceedings

In: IEEE 14th International Conference on Advanced Learning Technologies, ICALT 2014, Athens, Greece, July 7-10, 2014, pp. 539–540, IEEE Computer Society, 2014.

BibTeX | Links:

Sherif, Mohamed Ahmed; Coelho, Sandro; Usbeck, Ricardo; Hellmann, Sebastian; Lehmann, Jens; Brümmer, Martin; Both, Andreas

NIF4OGGD - NLP Interchange Format for Open German Governmental Data Inproceedings

In: Proceedings of the Ninth International Conference on Language Resources and Evaluation, LREC 2014, Reykjavik, Iceland, May 26-31, 2014, pp. 3524–3528, European Language Resources Association (ELRA), 2014.

BibTeX | Links:

Ngomo, Axel-Cyrille Ngonga; Auer, Sören; Lehmann, Jens; Zaveri, Amrapali

Introduction to Linked Data and Its Lifecycle on the Web Inproceedings

In: Reasoning Web. Reasoning on the Web in the Big Data Era - 10th International Summer School 2014, Athens, Greece, September 8-13, 2014. Proceedings, pp. 1–99, Springer, 2014.

BibTeX | Links:

Stadler, Claus; Westphal, Patrick; Lehmann, Jens

Jassa - A JavaScript suite for SPARQL-based faceted search Inproceedings

In: Proceedings of the ISWC Developers Workshop 2014, co-located with the 13th International Semantic Web Conference (ISWC 2014), Riva del Garda, Italy, October 19, 2014, pp. 31–36, CEUR-WS.org, 2014.

BibTeX | Links:

Pokharel, Suresh; Sherif, Mohamed Ahmed; Lehmann, Jens

Ontology Based Data Access and Integration for Improving the Effectiveness of Farming in Nepal Inproceedings

In: 2014 IEEE/WIC/ACM International Joint Conferences on Web Intelligence (WI) and Intelligent Agent Technologies (IAT), Warsaw, Poland, August 11-14, 2014 - Volume I, pp. 319–326, IEEE Computer Society, 2014.

BibTeX | Links:

Kontokostas, Dimitris; Westphal, Patrick; Auer, Sören; Hellmann, Sebastian; Lehmann, Jens; Cornelissen, Roland

Databugger: a test-driven framework for debugging the web of data Inproceedings

In: 23rd International World Wide Web Conference, WWW '14, Seoul, Republic of Korea, April 7-11, 2014, Companion Volume, pp. 115–118, ACM, 2014.

BibTeX | Links:

Kontokostas, Dimitris; Westphal, Patrick; Auer, Sören; Hellmann, Sebastian; Lehmann, Jens; Cornelissen, Roland; Zaveri, Amrapali

Test-driven evaluation of linked data quality Inproceedings

In: 23rd International World Wide Web Conference, WWW '14, Seoul, Republic of Korea, April 7-11, 2014, pp. 747–758, ACM, 2014.

BibTeX | Links:

Lukovnikov, Denis; Kontokostas, Dimitris; Stadler, Claus; Hellmann, Sebastian; Lehmann, Jens

DBpedia Viewer - An Integrative Interface for DBpedia leveraging the DBpedia Service Eco System Inproceedings

In: Proceedings of the Workshop on Linked Data on the Web co-located with the 23rd International World Wide Web Conference (WWW 2014), Seoul, Korea, April 8, 2014, CEUR-WS.org, 2014.

BibTeX | Links:

Hellmann, Sebastian; Bryl, Volha; Bühmann, Lorenz; Dojchinovski, Milan; Kontokostas, Dimitris; Lehmann, Jens; Milosevic, Uros; Petrovski, Petar; Svátek, Vojtech; Stanojevic, Mladen; Zamazal, Ondrej

Knowledge Base Creation, Enrichment and Repair Incollection

In: Linked Open Data - Creating Knowledge Out of Interlinked Data - Results of the LOD2 Project, 8661 , pp. 45–69, Springer, 2014.

BibTeX | Links:

Hitzler, Pascal; Lehmann, Jens; Polleres, Axel

Logics for the Semantic Web Incollection

In: Computational Logic, 9 , pp. 679–710, Elsevier, 2014.

BibTeX | Links:

Völker, Johanna; Paulheim, Heiko; Lehmann, Jens; Sack, Harald; Svátek, Vojtech (Ed.)

Proceedings of the 3rd Workshop on Knowledge Discovery and Data Mining Meets Linked Open Data co-located with 11th Extended Semantic Web Conference (ESWC 2014), Crete, Greece, May 25, 2014 Proceeding

CEUR-WS.org, 1243 , 2014.

BibTeX | Links:

Sack, Harald; Filipowska, Agata; Lehmann, Jens; Hellmann, Sebastian (Ed.)

Proceedings of the 10th International Conference on Semantic Systems, SEMANTICS 2014, Leipzig, Germany, September 4-5, 2014 Proceeding

ACM, 2014, ISBN: 978-1-4503-2927-9.

BibTeX | Links:

Sack, Harald; Filipowska, Agata; Lehmann, Jens; Hellmann, Sebastian (Ed.)

Proceedings of the Posters and Demos Track of 10th International Conference on Semantic Systems - SEMANTiCS2014, Leipzig, Germany, September 4-5, 2014 Proceeding

CEUR-WS.org, 1224 , 2014.

BibTeX | Links:

Athanasiou, Spiros; Hladky, Daniel; Giannopoulos, Giorgos; García-Rojas, Alejandra; Lehmann, Jens

GeoKnow: Making the Web an Exploratory Place for Geospatial Knowledge Journal Article

In: ERCIM News, 2014 (96), 2014.

BibTeX | Research Area: Spatial Data in the Semantic Web | Links:

Martin, Michael; Stadler, Claus; Frischmuth, Philipp; Lehmann, Jens

Increasing the financial transparency of European Commission project funding Journal Article

In: Semantic Web, 5 (2), pp. 157–164, 2014.

BibTeX | Research Area: Knowledge Extraction | Links:

Dirschl, Christian; Eck, Katja; Lehmann, Jens

Supporting the Data Lifecycle at a Global Publisher using the Linked Data Stack Journal Article

In: ERCIM News, 2014 (96), 2014.

BibTeX | Links:

2013

Lyko, Klaus; Höffner, Konrad; Speck, René; Ngomo, Axel-Cyrille Ngonga; Lehmann, Jens

SAIM - One Step Closer to Zero-Configuration Link Discovery Inproceedings

In: The Semantic Web: ESWC 2013 Satellite Events - ESWC 2013 Satellite Events, Montpellier, France, May 26-30, 2013, Revised Selected Papers, pp. 167–172, Springer, 2013.

BibTeX | Links:

Zaveri, Amrapali; Nowick, Katja; Lehmann, Jens

Towards Biomedical Data Integration for Analyzing the Evolution of Cognition Inproceedings

In: 43. Jahrestagung der Gesellschaft für Informatik, Informatik angepasst an Mensch, Organisation und Umwelt, INFORMATIK 2013, Koblenz, Germany, September 16-20, 2013, pp. 1900–1907, GI, 2013.

BibTeX | Links:

Zaveri, Amrapali; Kontokostas, Dimitris; Sherif, Mohamed Ahmed; Bühmann, Lorenz; Morsey, Mohamed; Auer, Sören; Lehmann, Jens

User-driven quality evaluation of DBpedia Inproceedings

In: I-SEMANTICS 2013 - 9th International Conference on Semantic Systems, ISEM '13, Graz, Austria, September 4-6, 2013, pp. 97–104, ACM, 2013.

BibTeX | Research Area: Knowledge Extraction | Links:

Ermilov, Ivan; Martin, Michael; Lehmann, Jens; Auer, Sören

Linked Open Data Statistics: Collection and Exploitation Inproceedings

In: Knowledge Engineering and the Semantic Web - 4th International Conference, KESW 2013, St. Petersburg, Russia, October 7-9, 2013. Proceedings, pp. 242–249, Springer, 2013.

BibTeX | Links:

Höffner, Konrad; Unger, Christina; Bühmann, Lorenz; Lehmann, Jens; Ngomo, Axel-Cyrille Ngonga; Gerber, Daniel; Cimiano, Philipp

User Interface for a Template Based Question Answering System Inproceedings

In: Knowledge Engineering and the Semantic Web - 4th International Conference, KESW 2013, St. Petersburg, Russia, October 7-9, 2013. Proceedings, pp. 258–264, Springer, 2013.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Kontokostas, Dimitris; Zaveri, Amrapali; Auer, Sören; Lehmann, Jens

TripleCheckMate: A Tool for Crowdsourcing the Quality Assessment of Linked Data Inproceedings

In: Knowledge Engineering and the Semantic Web - 4th International Conference, KESW 2013, St. Petersburg, Russia, October 7-9, 2013. Proceedings, pp. 265–272, Springer, 2013.

BibTeX | Links:

Auer, Sören; Lehmann, Jens; Ngomo, Axel-Cyrille Ngonga; Zaveri, Amrapali

Introduction to Linked Data and Its Lifecycle on the Web Inproceedings

In: Reasoning Web. Semantic Technologies for Intelligent Data Access - 9th International Summer School 2013, Mannheim, Germany, July 30 - August 2, 2013. Proceedings, pp. 1–90, Springer, 2013.

BibTeX | Links:

Shekarpour, Saeedeh; Höffner, Konrad; Lehmann, Jens; Auer, Sören

Keyword Query Expansion on Linked Data Using Linguistic and Semantic Features Inproceedings

In: 2013 IEEE Seventh International Conference on Semantic Computing, Irvine, CA, USA, September 16-18, 2013, pp. 191–197, IEEE Computer Society, 2013.

BibTeX | Links:

Ngomo, Axel-Cyrille Ngonga; Lehmann, Jens; Hassan, Mofeed M.

Towards Transfer Learning of Link Specifications Inproceedings

In: 2013 IEEE Seventh International Conference on Semantic Computing, Irvine, CA, USA, September 16-18, 2013, pp. 202–205, IEEE Computer Society, 2013.

BibTeX | Links:

Lehmann, Jens; Nguyen, Tri Quan; Ermilov, Timofey

Can We Create Better Links by Playing Games? Inproceedings

In: 2013 IEEE Seventh International Conference on Semantic Computing, Irvine, CA, USA, September 16-18, 2013, pp. 322–329, IEEE Computer Society, 2013.

BibTeX | Links:

Bühmann, Lorenz; Lehmann, Jens

Pattern Based Knowledge Base Enrichment Inproceedings

In: The Semantic Web - ISWC 2013 - 12th International Semantic Web Conference, Sydney, NSW, Australia, October 21-25, 2013, Proceedings, Part I, pp. 33–48, Springer, 2013.

BibTeX | Research Area: Concept Learning in Description Logics | Links:

Hellmann, Sebastian; Lehmann, Jens; Auer, Sören; Brümmer, Martin

Integrating NLP Using Linked Data Inproceedings

In: The Semantic Web - ISWC 2013 - 12th International Semantic Web Conference, Sydney, NSW, Australia, October 21-25, 2013, Proceedings, Part II, pp. 98–113, Springer, 2013.

BibTeX | Links:

Acosta, Maribel; Zaveri, Amrapali; Simperl, Elena; Kontokostas, Dimitris; Auer, Sören; Lehmann, Jens

Crowdsourcing Linked Data Quality Assessment Inproceedings

In: The Semantic Web - ISWC 2013 - 12th International Semantic Web Conference, Sydney, NSW, Australia, October 21-25, 2013, Proceedings, Part II, pp. 260–276, Springer, 2013.

BibTeX | Links:

Ngomo, Axel-Cyrille Ngonga; Bühmann, Lorenz; Unger, Christina; Lehmann, Jens; Gerber, Daniel

SPARQL2NL: verbalizing sparql queries Inproceedings

In: 22nd International World Wide Web Conference, WWW '13, Rio de Janeiro, Brazil, May 13-17, 2013, Companion Volume, pp. 329–332, International World Wide Web Conferences Steering Committee / ACM, 2013.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Ngomo, Axel-Cyrille Ngonga; Bühmann, Lorenz; Unger, Christina; Lehmann, Jens; Gerber, Daniel

Sorry, i don't speak SPARQL: translating SPARQL queries into natural language Inproceedings

In: 22nd International World Wide Web Conference, WWW '13, Rio de Janeiro, Brazil, May 13-17, 2013, pp. 977–988, International World Wide Web Conferences Steering Committee / ACM, 2013.

BibTeX | Links:

Völker, Johanna; Paulheim, Heiko; Lehmann, Jens; Niepert, Mathias; Sack, Harald (Ed.)

Proceedings of the Second International Workshop on Knowledge Discovery and Data Mining Meets Linked Open Data, Montpellier, France, May 26, 2013 Proceeding

CEUR-WS.org, 992 , 2013.

BibTeX | Links:

Acosta, Maribel; Aroyo, Lora; Bernstein, Abraham; Lehmann, Jens; Noy, Natasha F.; Simperl, Elena (Ed.)

Proceedings of the 1st International Workshop on Crowdsourcing the Semantic Web, Sydney, Australia, October 19, 2013 Proceeding

CEUR-WS.org, 1030 , 2013.

BibTeX | Links:

Auer, Sören; Lehmann, Jens; Ngomo, Axel-Cyrille Ngonga; Stadler, Claus; Unbehauen, Jörg

Extraktion, Mapping und Verlinkung von Daten im Web - Phasen im Lebenszyklus von Linked Data Journal Article

In: Datenbank-Spektrum, 13 (2), pp. 77–87, 2013.

BibTeX | Links:

Zaveri, Amrapali; Lehmann, Jens; Auer, Sören; Hassan, Mofeed M.; Sherif, Mohamed Ahmed; Martin, Michael

Publishing and interlinking the Global Health Observatory dataset - Towards increasing transparency in Global Health Journal Article

In: Semantic Web, 4 (3), pp. 315–322, 2013.

BibTeX | Research Area: Knowledge Extraction | Links:

2012

Stadler, Claus; Lehmann, Jens; Höffner, Konrad; Auer, Sören

LinkedGeoData: A core for a web of spatial open data Journal Article

In: Semantic Web, 3 (4), pp. 333–354, 2012.

BibTeX | Research Area: Spatial Data in the Semantic Web | Links:

Morsey, Mohamed; Lehmann, Jens; Auer, Sören; Ngomo, Axel-Cyrille Ngonga

Usage-Centric Benchmarking of RDF Triple Stores Inproceedings

In: Proceedings of the Twenty-Sixth AAAI Conference on Artificial Intelligence, July 22-26, 2012, Toronto, Ontario, Canada, AAAI Press, 2012.

BibTeX | Links:

Günes, Ömer Farukhan; Furche, Tim; Schallhart, Christian; Lehmann, Jens; Ngomo, Axel-Cyrille Ngonga

EAGER: Extending Automatically Gazetteers for Entity Recognition Inproceedings

In: Proceedings of the 3rd Workshop on the People's Web Meets NLP: Collaboratively Constructed Semantic Resources and their Applications to NLP@ACL 2012, Jeju, Republic of Korea, July 13, 2012, pp. 29–33, Association for Computational Linguistics, 2012.

BibTeX | Links:

Hellmann, Sebastian; Lehmann, Jens; Unbehauen, Jörg; Stadler, Claus; Lam, Thanh Nghia; Strohmaier, Markus

Navigation-Induced Knowledge Engineering by Example Inproceedings

In: Semantic Technology, Second Joint International Conference, JIST 2012, Nara, Japan, December 2-4, 2012. Proceedings, pp. 207–222, Springer, 2012.

BibTeX | Research Area: Concept Learning in Description Logics | Links:

Cherix, Didier; Hellmann, Sebastian; Lehmann, Jens

Improving the Performance of the DL-Learner SPARQL Component for Semantic Web Applications Inproceedings

In: Semantic Technology, Second Joint International Conference, JIST 2012, Nara, Japan, December 2-4, 2012. Proceedings, pp. 332–337, Springer, 2012.

BibTeX | Research Area: Concept Learning in Description Logics | Links:

Bühmann, Lorenz; Lehmann, Jens

Universal OWL Axiom Enrichment for Large Knowledge Bases Inproceedings

In: Knowledge Engineering and Knowledge Management - 18th International Conference, EKAW 2012, Galway City, Ireland, October 8-12, 2012. Proceedings, pp. 57–71, Springer, 2012.

BibTeX | Research Area: Concept Learning in Description Logics | Links:

Hellmann, Sebastian; Lehmann, Jens; Auer, Sören

Linked-Data Aware URI Schemes for Referencing Text Fragments Inproceedings

In: Knowledge Engineering and Knowledge Management - 18th International Conference, EKAW 2012, Galway City, Ireland, October 8-12, 2012. Proceedings, pp. 175–184, Springer, 2012.

BibTeX | Links:

Auer, Sören; Demter, Jan; Martin, Michael; Lehmann, Jens

LODStats - An Extensible Framework for High-Performance Dataset Analytics Inproceedings

In: Knowledge Engineering and Knowledge Management - 18th International Conference, EKAW 2012, Galway City, Ireland, October 8-12, 2012. Proceedings, pp. 353–362, Springer, 2012.

BibTeX | Links:

Hellmann, Sebastian; Lehmann, Jens; Auer, Sören; Nitzschke, Marcus

NIF Combinator: Combining NLP Tool Output Inproceedings

In: Knowledge Engineering and Knowledge Management - 18th International Conference, EKAW 2012, Galway City, Ireland, October 8-12, 2012. Proceedings, pp. 446–449, Springer, 2012.

BibTeX | Links:

Guéret, Christophe; Groth, Paul; Stadler, Claus; Lehmann, Jens

Assessing Linked Data Mappings Using Network Measures Inproceedings

In: The Semantic Web: Research and Applications - 9th Extended Semantic Web Conference, ESWC 2012, Heraklion, Crete, Greece, May 27-31, 2012. Proceedings, pp. 87–102, Springer, 2012.

BibTeX | Links:

Auer, Sören; Bühmann, Lorenz; Dirschl, Christian; Erling, Orri; Hausenblas, Michael; Isele, Robert; Lehmann, Jens; Martin, Michael; Mendes, Pablo N.; Nuffelen, Bert Van; Stadler, Claus; Tramp, Sebastian; Williams, Hugh

Managing the Life-Cycle of Linked Data with the LOD2 Stack Inproceedings

In: The Semantic Web - ISWC 2012 - 11th International Semantic Web Conference, Boston, MA, USA, November 11-15, 2012, Proceedings, Part II, pp. 1–16, Springer, 2012.

BibTeX | Links:

Lehmann, Jens; Furche, Tim; Grasso, Giovanni; Ngomo, Axel-Cyrille Ngonga; Schallhart, Christian; Sellers, Andrew Jon; Unger, Christina; Bühmann, Lorenz; Gerber, Daniel; Höffner, Konrad; Liu, David; Auer, Sören

deqa: Deep Web Extraction for Question Answering Inproceedings

In: The Semantic Web - ISWC 2012 - 11th International Semantic Web Conference, Boston, MA, USA, November 11-15, 2012, Proceedings, Part II, pp. 131–147, Springer, 2012.

BibTeX | Research Area: Question Answering over Knowledge Graphs | Links:

Lehmann, Jens; Gerber, Daniel; Morsey, Mohamed; Ngomo, Axel-Cyrille Ngonga

DeFacto - Deep Fact Validation Inproceedings

In: The Semantic Web - ISWC 2012 - 11th International Semantic Web Conference, Boston, MA, USA, November 11-15, 2012, Proceedings, Part I, pp. 312–327, Springer, 2012.

BibTeX | Links:

Unger, Christina; Bühmann, Lorenz; Lehmann, Jens; Ngomo, Axel-Cyrille Ngonga; Gerber, Daniel; Cimiano, Philipp

Template-based question answering over RDF data Inproceedings

In: Proceedings of the 21st World Wide Web Conference 2012, WWW 2012, Lyon, France, April 16-20, 2012, pp. 639–648, ACM, 2012.

BibTeX | Research Area: Question Answering over Knowledge Graphs, Top Publications | Links:

Hellmann, Sebastian; Stadler, Claus; Lehmann, Jens

The German DBpedia: A Sense Repository for Linking Entities Incollection

In: Linked Data in Linguistics - Representing and Connecting Language Data and Language Metadata, pp. 181–190, Springer, 2012.

BibTeX | Links:

Völker, Johanna; Paulheim, Heiko; Lehmann, Jens; Niepert, Mathias (Ed.)

Proceedings of the First International Workshop on Knowledge Discovery and Data Mining Meets Linked Open Data, Heraklion, Greece, May 27, 2012 Proceeding

CEUR-WS.org, 868 , 2012.

BibTeX | Links:

Morsey, Mohamed; Lehmann, Jens; Auer, Sören; Stadler, Claus; Hellmann, Sebastian

DBpedia and the live extraction of structured data from Wikipedia Journal Article

In: Program, 46 (2), pp. 157–181, 2012.

BibTeX | Research Area: Knowledge Extraction | Links:

2011

Lehmann, Jens; Bühmann, Lorenz

AutoSPARQL: Let Users Query Your Knowledge Base Inproceedings

In: The Semantic Web: Research and Applications - 8th Extended Semantic Web Conference, ESWC 2011, Heraklion, Crete, Greece, May 29-June 2, 2011, Proceedings, Part I, pp. 63–79, Springer, 2011.

BibTeX | Research Area: Concept Learning in Description Logics, Question Answering over Knowledge Graphs | Links:

Iglesias, Josué; Lehmann, Jens

Towards integrating fuzzy logic capabilities into an ontology-based Inductive Logic Programming framework Inproceedings

In: 11th International Conference on Intelligent Systems Design and Applications, ISDA 2011, Córdoba, Spain, November 22-24, 2011, pp. 1323–1328, IEEE, 2011.

BibTeX | Research Area: Concept Learning in Description Logics | Links:

Auer, Sören; Lehmann, Jens; Ngomo, Axel-Cyrille Ngonga

Introduction to Linked Data and Its Lifecycle on the Web Inproceedings

In: Reasoning Web. Semantic Technologies for the Web of Data - 7th International Summer School 2011, Galway, Ireland, August 23-27, 2011, Tutorial Lectures, pp. 1–75, Springer, 2011.

BibTeX | Links:

Morsey, Mohamed; Lehmann, Jens; Auer, Sören; Ngomo, Axel-Cyrille Ngonga

DBpedia SPARQL Benchmark - Performance Assessment with Real Queries on Real Data Inproceedings

In: The Semantic Web - ISWC 2011 - 10th International Semantic Web Conference, Bonn, Germany, October 23-27, 2011, Proceedings, Part I, pp. 454–469, Springer, 2011, (ISWC Best Paper Award).

BibTeX | Research Area: Top Publications | Links:

Ngomo, Axel-Cyrille Ngonga; Lehmann, Jens; Auer, Sören; Höffner, Konrad

RAVEN - active learning of link specifications Inproceedings

In: Proceedings of the 6th International Workshop on Ontology Matching, Bonn, Germany, October 24, 2011, CEUR-WS.org, 2011.

BibTeX | Links:

Zaveri, Amrapali; Pietrobon, Ricardo; Auer, Sören; Lehmann, Jens; Martin, Michael; Ermilov, Timofey

ReDD-Observatory: Using the Web of Data for Evaluating the Research-Disease Disparity Inproceedings

In: Proceedings of the 2011 IEEE/WIC/ACM International Conference on Web Intelligence, WI 2011, Campus Scientifique de la Doua, Lyon, France, August 22-27, 2011, pp. 178–185, IEEE Computer Society, 2011.

BibTeX | Links:

Hellmann, Sebastian; Lehmann, Jens; Auer, Sören

Learning of OWL Class Expressions on Very Large Knowledge Bases and its Applications Incollection

In: Semantic Services, Interoperability and Web Applications - Emerging Concepts, pp. 104–130, CRC Press, 2011.

BibTeX | Research Area: Concept Learning in Description Logics | Links:

Lehmann, Jens; Auer, Sören; Bühmann, Lorenz; Tramp, Sebastian

Class expression learning for ontology engineering Journal Article

In: J. Web Semant., 9 (1), pp. 71–81, 2011.

BibTeX | Research Area: Concept Learning in Description Logics | Links:

2010

Lehmann, Jens

Learning OWL Class Expressions Book

IOS Press, 2010, ISBN: 978-1-60750-528-0.

BibTeX | Research Area: Concept Learning in Description Logics | Links:

Stadler, Claus; Martin, Michael; Lehmann, Jens; Hellmann, Sebastian

Update Strategies for DBpedia Live Inproceedings

In: Proceedings of the Sixth Workshop on Scripting and Development for the Semantic Web, Crete, Greece, May 31, 2010, CEUR-WS.org, 2010.

BibTeX | Research Area: Knowledge Extraction | Links:

Auer, Sören; Weidl, Matthias; Lehmann, Jens; Zaveri, Amrapali; Choi, Key-Sun

I18n of Semantic Web Applications Inproceedings

In: The Semantic Web - ISWC 2010 - 9th International Semantic Web Conference, ISWC 2010, Shanghai, China, November 7-11, 2010, Revised Selected Papers, Part II, pp. 1–16, Springer, 2010.

BibTeX | Links:

Hellmann, Sebastian; Unbehauen, Jörg; Lehmann, Jens

HANNE - A Holistic Application for Navigational Knowledge Engineering Inproceedings

In: Proceedings of the ISWC 2010 Posters & Demonstrations Track: Collected Abstracts, Shanghai, China, November 9, 2010, CEUR-WS.org, 2010.

BibTeX | Research Area: Concept Learning in Description Logics | Links:

Lehmann, Jens; Bühmann, Lorenz

ORE - A Tool for Repairing and Enriching Knowledge Bases Inproceedings

In: The Semantic Web - ISWC 2010 - 9th International Semantic Web Conference, ISWC 2010, Shanghai, China, November 7-11, 2010, Revised Selected Papers, Part II, pp. 177–193, Springer, 2010.

BibTeX | Research Area: Concept Learning in Description Logics | Links:

Lehmann, Jens; Hitzler, Pascal

Concept learning in description logics using refinement operators Journal Article

In: Mach. Learn., 78 (1-2), pp. 203–250, 2010, (Based on two ILP Best Paper Awards).

BibTeX | Research Area: Concept Learning in Description Logics, Top Publications | Links:

Auer, Sören; Lehmann, Jens

Creating knowledge out of interlinked data Journal Article

In: Semantic Web, 1 (1-2), pp. 97–104, 2010.

BibTeX | Links:

Lehmann, Jens; Bader, Sebastian; Hitzler, Pascal

Extracting reduced logic programs from artificial neural networks Journal Article

In: Appl. Intell., 32 (3), pp. 249–266, 2010.

BibTeX | Research Area: Extraction from Artificial Neural Networks | Links:

Lehmann, Jens

Learning OWL Class Expressions PhD Thesis

Üniversity of Leipzig, 2010, (PhD in Computer Science, supervisors: Prof. Klaus-Peter Fähnrich, Dr. Sören Auer).

BibTeX | Links:

2009

Lehmann, Jens

DL-Learner: Learning Concepts in Description Logics Journal Article

In: J. Mach. Learn. Res., 10 , pp. 2639–2642, 2009.

BibTeX | Research Area: Concept Learning in Description Logics, Top Publications | Links:

Bizer, Christian; Lehmann, Jens; Kobilarov, Georgi; Auer, Sören; Becker, Christian; Cyganiak, Richard; Hellmann, Sebastian

DBpedia - A crystallization point for the Web of Data Journal Article

In: J. Web Semant., 7 (3), pp. 154–165, 2009, (Journal of Web Semantics 2006-2010 Award).

BibTeX | Research Area: Knowledge Extraction, Top Publications | Links:

Lehmann, Jens; Haase, Christoph

Ideal Downward Refinement in the emphEL Description Logic Inproceedings

In: Inductive Logic Programming, 19th International Conference, ILP 2009, Leuven, Belgium, July 02-04, 2009. Revised Papers, pp. 73–87, Springer, 2009.

BibTeX | Research Area: Concept Learning in Description Logics | Links:

Hellmann, Sebastian; Stadler, Claus; Lehmann, Jens; Auer, Sören

DBpedia Live Extraction Inproceedings

In: On the Move to Meaningful Internet Systems: OTM 2009, Confederated International Conferences, CoopIS, DOA, IS, and ODBASE 2009, Vilamoura, Portugal, November 1-6, 2009, Proceedings, Part II, pp. 1209–1223, Springer, 2009.

BibTeX | Research Area: Knowledge Extraction | Links:

Heim, Philipp; Hellmann, Sebastian; Lehmann, Jens; Lohmann, Steffen; Stegemann, Timo

RelFinder: Revealing Relationships in RDF Knowledge Bases Inproceedings

In: Semantic Multimedia, 4th International Conference on Semantic and Digital Media Technologies, SAMT 2009, Graz, Austria, December 2-4, 2009, Proceedings, pp. 182–187, Springer, 2009.

BibTeX | Links:

Auer, Sören; Lehmann, Jens; Hellmann, Sebastian

LinkedGeoData: Adding a Spatial Dimension to the Web of Data Inproceedings

In: The Semantic Web - ISWC 2009, 8th International Semantic Web Conference, ISWC 2009, Chantilly, VA, USA, October 25-29, 2009. Proceedings, pp. 731–746, Springer, 2009.

BibTeX | Research Area: Knowledge Extraction, Spatial Data in the Semantic Web | Links:

Auer, Sören; Dietzold, Sebastian; Lehmann, Jens; Hellmann, Sebastian; Aumueller, David

Triplify: light-weight linked data publication from relational databases Inproceedings

In: Proceedings of the 18th International Conference on World Wide Web, WWW 2009, Madrid, Spain, April 20-24, 2009, pp. 621–630, ACM, 2009.

BibTeX | Links:

Auer, Sören; Lehmann, Jens; Bizer, Christian

Semantische Mashups auf Basis Vernetzter Daten Incollection

In: Social Semantic Web: Web 2.0 - Was nun?, pp. 259–286, Springer, 2009.

BibTeX | Links:

Hellmann, Sebastian; Lehmann, Jens; Auer, Sören

Learning of OWL Class Descriptions on Very Large Knowledge Bases Journal Article

In: Int. J. Semantic Web Inf. Syst., 5 (2), pp. 25–48, 2009.

BibTeX | Research Area: Concept Learning in Description Logics | Links:

2008

Hellmann, Sebastian; Lehmann, Jens; Auer, Sören

Learning of OWL Class Descriptions on Very Large Knowledge Bases Inproceedings

In: Proceedings of the Poster and Demonstration Session at the 7th International Semantic Web Conference (ISWC2008), Karlsruhe, Germany, October 28, 2008, CEUR-WS.org, 2008.

BibTeX | Research Area: Concept Learning in Description Logics | Links:

2007

Lehmann, Jens; Schüppel, Jörg; Auer, Sören

Discovering Unknown Connections - the DBpedia Relationship Finder Inproceedings

In: The Social Semantic Web 2007, Proceedings of the 1st Conference on Social Semantic Web (CSSW), September 26-28, 2007, Leipzig, Germany, pp. 99–109, GI, 2007.

BibTeX | Research Area: Knowledge Extraction | Links:

Riechert, Thomas; Lauenroth, Kim; Lehmann, Jens

SWORE - SoftWiki Ontology for Requirements Engineering Inproceedings

In: The Social Semantic Web 2007, Proceedings of the 1st Conference on Social Semantic Web (CSSW), September 26-28, 2007, Leipzig, Germany, pp. 111–118, GI, 2007.

BibTeX | Links:

Auer, Sören; Lehmann, Jens

What Have Innsbruck and Leipzig in Common? Extracting Semantics from Wiki Content Inproceedings

In: The Semantic Web: Research and Applications, 4th European Semantic Web Conference, ESWC 2007, Innsbruck, Austria, June 3-7, 2007, Proceedings, pp. 503–517, Springer, 2007, (ESWC 7-Year Most Influential Paper Award).

BibTeX | Research Area: Knowledge Extraction, Top Publications | Links:

Lehmann, Jens; Hitzler, Pascal

A Refinement Operator Based Learning Algorithm for the emphALC Description Logic Inproceedings

In: Inductive Logic Programming, 17th International Conference, ILP 2007, Corvallis, OR, USA, June 19-21, 2007, Revised Selected Papers, pp. 147–160, Springer, 2007.

BibTeX | Research Area: Concept Learning in Description Logics | Links:

Lehmann, Jens; Hitzler, Pascal

Foundations of Refinement Operators for Description Logics Inproceedings

In: Inductive Logic Programming, 17th International Conference, ILP 2007, Corvallis, OR, USA, June 19-21, 2007, Revised Selected Papers, pp. 161–174, Springer, 2007.

BibTeX | Research Area: Concept Learning in Description Logics | Links:

Lehmann, Jens

Hybrid Learning of Ontology Classes Inproceedings

In: Machine Learning and Data Mining in Pattern Recognition, 5th International Conference, MLDM 2007, Leipzig, Germany, July 18-20, 2007, Proceedings, pp. 883–898, Springer, 2007.

BibTeX | Research Area: Concept Learning in Description Logics | Links:

Auer, Sören; Bizer, Christian; Kobilarov, Georgi; Lehmann, Jens; Cyganiak, Richard; Ives, Zachary G.

DBpedia: A Nucleus for a Web of Open Data Inproceedings

In: The Semantic Web, 6th International Semantic Web Conference, 2nd Asian Semantic Web Conference, ISWC 2007 + ASWC 2007, Busan, Korea, November 11-15, 2007, pp. 722–735, Springer, 2007, (ISWC 10 Year Best Paper Award).

BibTeX | Research Area: Knowledge Extraction, Top Publications | Links:

Auer, Sören; Dietzold, Sebastian; Lehmann, Jens; Riechert, Thomas

OntoWiki: A Tool for Social, Semantic Collaboration Inproceedings

In: Proceedings of the Workshop on Social and Collaborative Construction of Structured Knowledge (CKC 2007) at the 16th International World Wide Web Conference (WWW2007) Banff, Canada, May 8, 2007, CEUR-WS.org, 2007.

BibTeX | Links:

2006

Lehmann, Jens

Concept Learning in Description Logics Masters Thesis

TU Dresden, 2006, (Diploma Thesis in Computer Science, supervisors: Dr. habil. Pascal Hitzler, Prof. Steffen Hölldobler).

BibTeX | Links:

2005

Lehmann, Jens

Extracting Logic Programs from Artificial Neural Networks Informal Publications

2005, ("Großer Beleg", supervisors: Dr. Pascal Hitzler, Dipl. Inf. Sebastian Bader, Prof. Steffen Hölldobler).

BibTeX | Research Area: Extraction from Artificial Neural Networks | Links:

Lehmann, Jens

Semantische Indizierung Informal Publications

2005, (Äusarbeitung zu Ängewandte Systeme der KI"").

BibTeX

2004

Lehmann, Jens

Nachfragende und konzeptbasierte Metainterpreter in Prolog Informal Publications

2004, (Praktikum "Neuronale Netze und fallbasiertes Schließen").

BibTeX | Links:

Lehmann, Jens

Go and AI Informal Publications

2004, (seminar "Game Playing Computers and Artificial Intelligence").

BibTeX | Links:

2003

Lehmann, Jens

Das SMV-System Informal Publications

2003, (Proseminar Modale Logik).

BibTeX | Links:

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