Publications

345 entries « 2 of 12 »

2022

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:

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