Prof. Dr. Jens Lehmann
Publications/Manuscripts
- Books
- Edited Books
- Journal Publications
- Conference Proceedings
- Conference Publications
- Workshop Proceedings
- Workshop Publications
- Poster Publications
- Demos
- Book Contributions
- Theses
- Technical Reports
- Unpublished Manuscripts
See also: list of awards (mostly through publications)
Books (1)
- "Learning OWL Class Expressions"
Jens Lehmann
ISBN 978-3-89838-336-3.2010, Studies on the Semantic Web, volume 6, pages 265, AKA Heidelberg, 2010- formats:
BibTeX, 
RDF - related info pages: Concept Learning in Description Logics
- related weblinks: DL-Learner homepage
- formats:
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Edited Books (1)
- "Perspectives On Ontology Learning"
Jens Lehmann, Johanna Völker (editors), volume 18, pages 1-299, AKA Heidelberg, 2014- download:
PDF (5.5 MB) - formats: BibTeX, RDF
- related info pages: Concept Learning in Description Logics
- related weblinks: DL-Learner homepage
- download:
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Journal Publications (31)
- "IOTA: Interlinking of Heterogeneous Multilingual Open Fiscal DaTA"
Fathoni A. Musyaffa, Maria-Esther Vidal, Fabrizio Orlandi, Jens Lehmann, Hajira Jabeen
Expert Systems with Applications, Elsevier, 2019 - "BioKEEN: a library for learning and evaluating biological knowledge graph embeddings"
Mehdi Ali, Charles Tapley Hoyt, Daniel Domingo-Fernández, Jens Lehmann, Hajira Jabeen
Bioinformatics, 2019 - "New label noise injection methods for the evaluation of noise filters"
Luís Paulo F. Garcia, Jens Lehmann, Andre C.P.L.F. de Carvalho, Ana C. Lorena
Knowledge-Based Systems, 2019 - "A linked open data representation of patents registered in the US from 2005-2017"
Mofeed Hassan, Amrapali J. Zaveri, Jens Lehmann
Nature - Scientific Data, volume 5, Nature Group, 2018 - "TISCO: Temporal scoping of facts"
Anisa Rula, Matteo Palmonari, Simone Rubinacci, Axel-Cyrille Ngonga Ngomo, Jens Lehmann, Andrea Maurino, Diego Esteves
Journal of Web Semantics, 2018 - "SML-Bench - A Benchmarking Framework for Structured Machine Learning"
Patrick Westphal, Lorenz Bühmann, Simon Bin, Hajira Jabeen, Jens Lehmann
Semantic Web Journal, 2018- download: PDF (730.8 KB)
- formats: BibTeX, RDF
- related info pages: Concept Learning in Description Logics
- related weblinks: DL-Learner homepage
- download:
- "Toward Veracity Assessment in RDF Knowledge Bases: An Exploratory Analysis"
Diego Esteves, Anisa Rula, Aniketh Janardhan Reddy, Jens Lehmann
Journal on Data and Information Quality (JDIQ), volume 9, number 3, ACM, 2018 - "Wikidata through the Eyes of DBpedia"
Ali Ismayilov, Dimitris Kontokostas, Sören Auer, Jens Lehmann, Sebastian Hellmann
Semantic Web Journal, pages 1-11, IOS Press, 2017- download: PDF (246.6 KB)
- formats: BibTeX, RDF
- related info pages: RDF Extraction
- related weblinks: DBpedia Homepage
- download:
- "Detecting Linked Data Quality Issues via Crowdsourcing: A DBpedia Study"
Maribel Acosta, Amrapali J. Zaveri, Elena Simperl, Dimitris Kontokostas, Fabian Flöck, Jens Lehmann
Semantic Web Journal, IOS Press, 2017- download: PDF (2.2 MB)
- formats: BibTeX, RDF
- related weblinks: DBpedia Homepage
- download:
- "Survey on Challenges of Question Answering in the Semantic Web"
Konrad Höffner, Sebastian Walter, Edgard Marx, Ricardo Usbeck, Jens Lehmann, Axel-Cyrille Ngonga Ngomo
Semantic Web Journal, IOS Press, 2016- download: PDF (282.1 KB)
- formats: BibTeX, RDF
- related info pages: Question Answering
- download:
- "DL-Learner—A framework for inductive learning on the Semantic Web"
Lorenz Bühmann, Jens Lehmann, Patrick Westphal
Journal of Web Semantics, volume 39, pages 15 - 24, Elsevier, 2016- download: PDF (708 KB)
- formats: BibTeX, RDF
- related info pages: Concept Learning in Description Logics
- related weblinks: DL-Learner homepage
- download:
- "Quality Assessment for Linked Data: A Survey"
Amrapali J. Zaveri, Anisa Rula, Andrea Maurino, Ricardo Pietrobon, Jens Lehmann, Sören Auer
Semantic Web Journal, volume 7, number 1, pages 63-93, IOS Press, 2016 - "DeFacto - Temporal and Multilingual Deep Fact Validation"
Daniel Gerber, Diego Esteves, Jens Lehmann, Lorenz Bühmann, Ricardo Usbeck, Axel-Cyrille Ngonga Ngomo, René Speck
Journal of Web Semantics, pages 85-101, Elsevier, 2015 - "2nd Special Issue on Linked Dataset Descriptions"
Jens Lehmann, Oscar Corcho
Semantic Web Journal, volume 6, number 2, pages 103-104, IOS Press, 2015 - "LinkedSpending: OpenSpending becomes Linked Open Data"
Konrad Höffner, Michael Martin, Jens Lehmann
Semantic Web Journal, volume 7, number 1, pages 95-104, IOS Press, 2015 - "DBpedia - A Large-scale, Multilingual Knowledge Base Extracted from Wikipedia"
Jens Lehmann, Robert Isele, Max Jakob, Anja Jentzsch, Dimitris Kontokostas, Pablo Mendes, Sebastian Hellmann, Mohamed Morsey, Patrick van Kleef, Sören Auer, Chris Bizer
Semantic Web Journal, volume 6, number 2, pages 167-195, IOS Press, 2015- download: PDF (2.1 MB)
- formats: BibTeX, RDF
- related weblinks: DBpedia Homepage
- Outstanding Paper Award (Best 2014 SWJ Paper)
- download:
- "Supporting the Data Lifecycle at a Global Publisher using the Linked Data Stack"
Christian Dirschl, Katja Eck, Jens Lehmann
European Research Consortium in Informatics and Mathematics News, 2014 - "GeoKnow: Making the Web an Exploratory Place for Geospatial Knowledge"
Spiros Athanasiou, Daniel Hladky, Giorgos Giannopoulos, Alejandra Garcia-Rojas, Jens Lehmann
European Research Consortium in Informatics and Mathematics News, 2014- download: PDF (226 KB)
- formats: BibTeX, RDF
- related weblinks: GeoKnow homepage
- download:
- "Increasing the Financial Transparency of European Commission Project Funding"
Michael Martin, Claus Stadler, Philipp Frischmuth, Jens Lehmann
Semantic Web Journal, volume 5, number 2, pages 157-164, IOS Press, 2014- formats: BibTeX, RDF
- related info pages: RDF Extraction
- formats:
"GeoKnow: Geo-Anwendungen im Daten-Web"
Jens Lehmann, Konrad Höffner, Sandra Prätor, Stephanie Lehmann, Axel-Cyrille Ngonga Ngomo, Alejandra Garcia-Rojas, Spiros Athanasiou
gis.Business, 2013- formats: BibTeX, RDF
- related weblinks: GeoKnow homepage
- formats:
- "Extraktion, Mapping und Verlinkung von Daten im Web"
Sören Auer, Jens Lehmann, Axel-Cyrille Ngonga Ngomo, Claus Stadler, Jörg Unbehauen
Datenbank-Spektrum, volume 13, pages 77-87, Springer, 2013 - "Publishing and Interlinking the Global Health Observatory Dataset"
Amrapali J. Zaveri, Jens Lehmann, Sören Auer, Mofeed Hassan, Mohamed Sherif, Michael Martin
Semantic Web Journal, volume 4, number 3, pages 315-322, IOS Press, 2013- formats: BibTeX, RDF
- related info pages: RDF Extraction
- formats:
- "DBpedia and the Live Extraction of Structured Data from Wikipedia"
Mohamed Morsey, Jens Lehmann, Sören Auer, Claus Stadler, Sebastian Hellmann
Program: electronic library and information systems, volume 46, number 2, pages 157-181, Emerald, 2012- download: PDF (630.2 KB)
- formats: BibTeX, RDF
- Outstanding Paper Award Winner at the Literati Network Awards for Excellence
- download:
- "LinkedGeoData: A Core for a Web of Spatial Open Data"
Claus Stadler, Jens Lehmann, Konrad Höffner, Sören Auer
Semantic Web Journal, volume 3, number 4, pages 333-354, IOS Press, 2012- download: PDF (1.5 MB)
- formats: BibTeX, RDF
- related info pages: Spatial Data in the Semantic Web
- related weblinks: LinkedGeoData homepage
- download:
- "Class Expression Learning for Ontology Engineering"
Jens Lehmann, Sören Auer, Lorenz Bühmann, Sebastian Tramp (geb. Dietzold)
Journal of Web Semantics, volume 9, number 1, pages 71-81, Springer, 2011- download: PDF (1.1 MB)
- formats: BibTeX, RDF
- related info pages: Concept Learning in Description Logics, Ontology Maintenance
- related weblinks: DL-Learner homepage
- download:
- "Making the Web a Data Washing Machine - Creating Knowledge out of Interlinked Data"
Sören Auer, Jens Lehmann
Semantic Web Journal, volume 1, number 1-2, pages 97-104, IOS Press, 2010 - "Concept Learning in Description Logics Using Refinement Operators"
Jens Lehmann, Pascal Hitzler
Machine Learning, volume 78, pages 203-250, Springer, 2010- download: PDF (554.7 KB)
- formats: BibTeX, RDF
- related info pages: Concept Learning in Description Logics
- related weblinks: DL-Learner homepage
- download:
- "DL-Learner: Learning Concepts in Description Logics"
Jens Lehmann
Journal of Machine Learning Research, volume 10, pages 2639-2642, JMLR.org, 2009- download: PDF (113.4 KB)
- formats: BibTeX, RDF
- related info pages: Concept Learning in Description Logics
- related weblinks: DL-Learner homepage
- download:
- "DBpedia - A Crystallization Point for the Web of Data"
Jens Lehmann, Chris Bizer, Georgi Kobilarov, Sören Auer, Christian Becker, Richard Cyganiak, Sebastian Hellmann
Journal of Web Semantics, 2009- download: PDF (1.2 MB)
- formats: BibTeX, RDF
- related info pages: RDF Extraction
- related weblinks: DBpedia Homepage, DBpedia Query Builder, DBpedia Relationship Finder
- Journal of Web Semantics Award (Most Cited Article 2006-2010)
- download:
- "Learning of OWL Class Descriptions on Very Large Knowledge Bases"
Sebastian Hellmann, Jens Lehmann, Sören Auer
International Journal On Semantic Web and Information Systems, volume 5, number 2, pages 25-48, IGI Global, 2009- download: PDF (447.6 KB)
- formats: BibTeX, RDF
- related info pages: Concept Learning in Description Logics
- related weblinks: DBpedia Homepage, DL-Learner homepage
- download:
- "Extracting Reduced Logic Programs from Artificial Neural Networks"
Jens Lehmann, Sebastian Bader, Pascal Hitzler
Applied Intelligence, 2008- download: PDF (249.9 KB)
- formats: BibTeX, RDF
- related info pages: ANN Extraction
- download:
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Conference Proceedings (2)
- "Proceedings of the Poster & Demos Track of the 10th International Conference on Semantic Systems, SEMANTiCS, September 4-5, 2014"
Harald Sack, Agata Filipowska, Jens Lehmann, Sebastian Hellmann (editors), CEUR-WS.org, 2014 - "Proceedings of 10th International Conference on Semantic Systems, SEMANTiCS, September 4-5, 2014"
Harald Sack, Agata Filipowska, Jens Lehmann, Sebastian Hellmann (editors), ACM, 2014
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Conference Publications (121)
- "Let’s build Bridges, not Walls--SPARQL Querying of TinkerPop Graph Databases with sparql-gremlin"
Harsh Thakkar, Renzo Angles, Marko Rodriguez, Stephen Mallette, Jens Lehmann
In: 14th IEEE International Conference on Semantic Computing (ICSC), 2020 - "DISE: A Distributed in-Memory SPARQL Processing Engine over Tensor Data"
Hajira Jabeen, Eskender Haziiev, Gezim Sejdiu, Jens Lehmann
In: Proceedings of the 14th IEEE International Conference on Semantic Computing (ICSC), 2020- download: PDF (660 KB)
- formats: BibTeX, RDF
- related weblinks: SANSA Homepage
- download:
- "Cross-Administration Comparative Analysis of Open Fiscal Data"
Fathoni A. Musyaffa, Jens Lehmann, Hajira Jabeen
In: Proceedings of the 13th International Conference on Theory and Practice of Electronic Governance (ICEGOV), 2020 - "Scalable Distributed Genetic Algorithm Using Apache Spark (S-GA)"
Fahad Maqbool, Saad Razzaq, Jens Lehmann, Hajira Jabeen
In: International Conference on Intelligent Computing, 2019 - "Pay for Performance in Electronic Data Capture for Clinical Trials and Medical Registries."
Sattar Rahimbayli, Jens Lehmann, Thomas M. Deserno
In: European Federation of Medical Informatics Special Topics Conference (EFMI-STC), 2019 - "Complex Query Augmentation for Question Answering over Knowledge Graphs"
Abdelrahman Abdelkawi, Hamid Zafar, Maria Maleshkova, Jens Lehmann
In: Proceedings of the 18th International Conference on Ontologies, DataBases, and Applications of Semantics (ODBASE), 2019 - "Uniform Access to Multiform Data Lakes using Semantic Technologies"
Mohamed Nadjib Mami, Damien Graux, Simon Scerri, Hajira Jabeen, Sören Auer, Jens Lehmann
In: Proceedings of 21st International Conference on Information Integration and Web-based Applications & Services (iiWAS), 2019 - "Big POI data integration with Linked Data technologies."
Spiros Athanasiou, Giorgos Giannopoulos, Damien Graux, Nikos Karagiannakis, Jens Lehmann, Axel-Cyrille Ngonga Ngomo, Kostas Patroumpas, Mohamed Sherif, Dimitrios Skoutas
In: EDBT, 2019 - "Incorporating Joint Embeddings into Goal-Oriented Dialogues with Multi-task Learning"
Firas Kassawat, Debanjan Chaudhuri, Jens Lehmann
In: Proceedings of the 16th Extended Semantic Web Conference (ESWC), 2019- download: PDF (461.1 KB)
- formats: BibTeX, RDF
- related info pages: Question Answering
- download:
- "EvoChef: Show Me What to Cook! Artificial Evolution of Culinary Arts"
Hajira Jabeen, Hamid Zafar, Jens Lehmann
In: International Conference on Computational Intelligence in Music, Sound, Art and Design (Part of EvoStar), 2019 - "Old is gold: linguistic driven approach for entity and relation linking of short text"
Ahmad Sakor, Isaiah Onando Mulang, Kuldeep Singh, Saeedeh Shekarpour, Maria-Esther Vidal, Jens Lehmann, Sören Auer
In: Proceedings of the 2019 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, Volume 1 (Long and Short Papers), 2019- download: PDF (321.7 KB)
- formats: BibTeX, RDF
- related info pages: Question Answering
- download:
- "Learning to rank query graphs for complex question answering over knowledge graphs"
Gaurav Maheshwari, Priyansh Trivedi, Denis Lukovnikov, Nilesh Chakraborty, Asja Fischer, Jens Lehmann
In: Proceedings of the 18th International Semantic Web Conference (ISWC), 2019- download: PDF (472.4 KB)
- formats: BibTeX, RDF
- related info pages: Question Answering
- download:
- "Using a KG-Copy Network for Non-Goal Oriented Dialogues"
Debanjan Chaudhuri, Md Rashad Al Hasan Rony, Simon Jordan, Jens Lehmann
In: Proceedings of the 18th International Semantic Web Conference (ISWC), 2019- download: PDF (674.6 KB)
- formats: BibTeX, RDF
- related info pages: Question Answering
- download:
- "Lc-quad 2.0: A large dataset for complex question answering over wikidata and dbpedia"
Mohnish Dubey, Debayan Banerjee, Abdelrahman Abdelkawi, Jens Lehmann
In: Proceedings of the 18th International Semantic Web Conference (ISWC), 2019- download: PDF (1.1 MB)
- formats: BibTeX, RDF
- related info pages: Question Answering
- download:
- "Pretrained transformers for simple question answering over knowledge graphs"
Denis Lukovnikov, Asja Fischer, Jens Lehmann
In: Proceedings of the 18th International Semantic Web Conference (ISWC), 2019- download: PDF (298.8 KB)
- formats: BibTeX, RDF
- related info pages: Question Answering
- download:
- "DBpedia FlexiFusion: the Best of Wikipedia > Wikidata > Your Data"
Johannes Pfeffer, Marvin Hofer, Daniel Obraczka, Jens Lehmann, Sebastian Hellmann
In: Proceedings of the 18th International Semantic Web Conference (ISWC), 2019- download: PDF (504 KB)
- formats: BibTeX, RDF
- related info pages: RDF Extraction
- related weblinks: DBpedia Homepage
- download:
- "The KEEN Universe"
Mehdi Ali, Hajira Jabeen, Charles Tapley Hoyt, Jens Lehmann
In: Proceedings of the 18th International Semantic Web Conference (ISWC), 2019 - "Incorporating literals into knowledge graph embeddings"
Agustinus Kristiadi, Muhammad Saleem, Denis Lukovnikov, Jens Lehmann, Asja Fischer
In: Proceedings of the 18th International Semantic Web Conference (ISWC), 2019 - "Qaldgen: Towards microbenchmarking of question answering systems over knowledge graphs"
Kuldeep Singh, Muhammad Saleem, Abhishek Nadgeri, Felix Conrads, Jeff Z. Pan, Axel-Cyrille Ngonga Ngomo, Jens Lehmann
In: Proceedings of the 18th International Semantic Web Conference (ISWC), 2019- download: PDF (547.6 KB)
- formats: BibTeX, RDF
- related info pages: Question Answering
- download:
- "Squerall: virtual ontology-based access to heterogeneous and large data sources"
Mohamed Nadjib Mami, Damien Graux, Simon Scerri, Hajira Jabeen, Sören Auer, Jens Lehmann
In: Proceedings of the 18th International Semantic Web Conference (ISWC), 2019 - "Sparklify: A Scalable Software Component for Efficient evaluation of SPARQL queries over distributed RDF datasets"
Claus Stadler, Gezim Sejdiu, Damien Graux, Jens Lehmann
In: Proceedings of the 18th International Semantic Web Conference (ISWC), 2019- download: PDF (754.1 KB)
- formats: BibTeX, RDF
- related info pages: Distributed Analytics
- related weblinks: SANSA Homepage
- download:
- "A Scalable Framework for Quality Assessment of RDF Datasets"
Gezim Sejdiu, Anisa Rula, Jens Lehmann, Hajira Jabeen
In: International Semantic Web Conference, Springer, 2019- download: PDF (712.1 KB)
- formats: BibTeX, RDF
- related info pages: Distributed Analytics
- related weblinks: SANSA Homepage
- download:
- "SimpleLSTM: A Deep-Learning Approach to Simple-Claims Classification"
Piyush Chawla, Diego Esteves, Karthik Pujar, Jens Lehmann
In: EPIA Conference on Artificial Intelligence, 2019 - "From Monolingual to Multilingual Ontologies: The Role of Cross-Lingual Ontology Enrichment"
Shimaa Ibrahim, Said Fathalla, Hamed Shariat Yazdi, Jens Lehmann, Hajira Jabeen
In: Proceedings of the 15th Semantics - The power of AI and knowledge graphs (Semantics), Springer, 2019 - "Towards a Scalable Semantic-Based Distributed Approach for SPARQL Query Evaluation"
Gezim Sejdiu, Damien Graux, Imran Khan, Ioanna Lytra, Hajira Jabeen, Jens Lehmann
In: Proceedings of the 15th Semantics - The power of AI and knowledge graphs (Semantics), Springer, 2019- download: PDF (692.9 KB)
- formats: BibTeX, RDF
- related info pages: Distributed Analytics
- related weblinks: SANSA Homepage
- download:
- "A Question Answering System on Regulatory Documents"
Diego Collarana, Timm Heuss, Jens Lehmann, Ioanna Lytra, Gaurav Maheshwari, Rostislav Nedelchev, Thorsten Schmidt, Priyansh Trivedi
In: Proceedings of the 31st international conference on Legal Knowledge and Information Systems (JURIX), 2018- download: PDF (770.4 KB)
- formats: BibTeX, RDF
- related info pages: Question Answering
- download:
- "KnIGHT: Mapping Privacy Policies to GDPR"
Najmeh Mousavi Nejad, Simon Scerri, Jens Lehmann
In: Proceedings of the 21st International Conference on Knowledge Engineering and Knowledge Management, 2018 - "Divided we stand out! Forging Cohorts fOr Numeric Outlier Detection in large scale knowledge graphs (CONOD)"
Hajira Jabeen, Rajjat Dadwal, Gezim Sejdiu, Jens Lehmann
In: Proceedings of the 21st International Conference on Knowledge Engineering and Knowledge Management, 2018- download: PDF (767.1 KB)
- formats: BibTeX, RDF
- related info pages: Distributed Analytics
- related weblinks: SANSA Homepage
- download:
- "Improving Response Selection in Multi-Turn Dialogue Systems by Incorporating Domain Knowledge"
Debanjan Chaudhuri, Agustinus Kristiadi, Jens Lehmann, Asja Fischer
In: Proceedings of the 22nd SIGNLL Conference on Computational Natural Language Learning (CoNLL), 2018 - "EARL: Joint Entity and Relation Linking for Question Answering over Knowledge Graphs"
Mohnish Dubey, Debayan Banerjee, Debanjan Chaudhuri, Jens Lehmann
In: Proceedings of the 17th International Semantic Web Conference (ISWC), 2018- download: PDF (1.1 MB)
- formats: BibTeX, RDF
- related info pages: Question Answering
- download:
- "Deep Query Ranking for Question Answering over Knowledge Bases"
Hamid Zafar, Giulio Napolitano, Jens Lehmann
In: Proceedings of the 29th European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Databases (ECML PKDD), 2018- download: PDF (197.7 KB)
- formats: BibTeX, RDF
- related info pages: Question Answering
- download:
- "Why Reinvent the Wheel: Let's Build Question Answering Systems Together"
Kuldeep Singh, Arun Sethupat Radhakrishna, Andreas Both, Saeedeh Shekarpour, Ioanna Lytra, Ricardo Usbeck, Akhilesh Vyas, Akmal Khikmatullaev, Dharmen Punjani, Christoph Lange, Maria-Esther Vidal, Jens Lehmann, Sören Auer
In: Proceedings of the 27th World Wide Web Conference (WWW), ACM, 2018- download: PDF (994.9 KB)
- formats: BibTeX, RDF
- related info pages: Question Answering
- download:
- "DistLODStats: Distributed Computation of RDF Dataset Statistics"
Gezim Sejdiu, Ivan Ermilov, Jens Lehmann, Mohamed Nadjib Mami
In: Proceedings of the 17th International Semantic Web Conference (ISWC), Springer, 2018- download: PDF (261.9 KB)
- formats: BibTeX, RDF
- related info pages: Distributed Analytics
- related weblinks: SANSA Homepage
- download:
- "Formal Query Generation for Question Answering over Knowledge Bases"
Hamid Zafar, Giulio Napolitano, Jens Lehmann
In: Proceedings of the 15th Extended Semantic Web Conference (ESWC), 2018- download: PDF (295.6 KB)
- formats: BibTeX, RDF
- related info pages: Question Answering
- download:
- "Structured Knowledge on the Web 7.0"
Steffen Staab, Jens Lehmann, Ruben Verborgh
In: Companion Proceedings of the The Web Conference 2018, 2018 - "DL-Learner - Structured Machine Learning on Semantic Web Data"
Lorenz Bühmann, Jens Lehmann, Patrick Westphal, Simon Bin
In: The Web Conf (WWW) 2018 Journals Track, 2018- download: PDF (886.8 KB)
- formats: BibTeX, RDF
- related info pages: Concept Learning in Description Logics
- related weblinks: DL-Learner homepage
- download:
- "Efficiently Pinpointing SPARQL Query Containments"
Claus Stadler, Muhammad Saleem, Axel-Cyrille Ngonga Ngomo, Jens Lehmann
In: 18th International Conference on Web Engineering (ICWE2018), 2018 - "Named Entity Recognition in Twitter using Images and Text"
Diego Esteves, Rafael Peres, Jens Lehmann, Giulio Napolitano
In: Proceedings of the 3rd International Workshop on Natural Language Processing for Informal Text, 2017- download: PDF (257.3 KB)
- formats: BibTeX, RDF
- related info pages: Question Answering
- download:
- "SQCFramework: SPARQL Query Containment Benchmark Generation Framework"
Muhammad Saleem, Claus Stadler, Qaiser Mehmood, Jens Lehmann, Axel-Cyrille Ngonga Ngomo
In: Proceedings of the 9th International Conference on Knowledge Capture (K-Cap), ACM, 2017 - "SimDoc: Topic Sequence Alignment based Document Similarity Framework"
Gaurav Maheshwari, Priyansh Trivedi, Harshita Sahijwani, Kunal Jha, Sourish Dasgupta, Jens Lehmann
In: Proceedings of the 9th International Conference on Knowledge Capture (K-Cap), ACM, 2017 - "Implementing Scalable Structured Machine Learning for Big Data in the SAKE Project"
Simon Bin, Patrick Westphal, Jens Lehmann, Axel-Cyrille Ngonga Ngomo
In: Proceedings of the 5th IEEE International Conference on Big Data (IEEE BigData), IEEE, 2017- download: PDF (980.9 KB)
- formats: BibTeX, RDF
- related info pages: Concept Learning in Description Logics
- related weblinks: DL-Learner homepage
- download:
- "A Corpus for Complex Question Answering over Knowledge Graphs"
Priyansh Trivedi, Gaurav Maheshwari, Mohnish Dubey, Jens Lehmann
In: Proceedings of the 16th International Semantic Web Conference (ISWC), Springer, 2017- download: PDF (315.5 KB)
- formats: BibTeX, RDF
- related info pages: Question Answering
- Nominated for ISWC Best Student Resource Paper and Winner of Fraunhofer IAIS Paper of the Month November 2017
- download:
- "Sustainable Linked Data Generation: The Case of DBpedia"
Wouter Maroy, Anastasia Dimou, Dimitris Kontokostas, Ben De Meester, Jens Lehmann, Erik Mannens, Sebastian Hellmann
In: Proceedings of the 16th International Semantic Web Conference (ISWC), Springer, 2017- download: PDF (522.8 KB)
- formats: BibTeX, RDF
- related info pages: RDF Extraction
- related weblinks: DBpedia Homepage
- download:
- "Benchmarking Faceted Browsing Capabilities of Triplestores"
Henning Petzka, Claus Stadler, Georgios Katsimpras, Bastian Haarmann, Jens Lehmann
In: Proceedings of the 13th International Conference on Semantic Systems (Semantics), ACM, 2017 - "Trying Not to Die Benchmarking -- Orchestrating RDF and Graph Data Management Solution Benchmarks Using LITMUS"
Harsh Thakkar, Yashwant Keswani, Mohnish Dubey, Jens Lehmann, Sören Auer
In: Proceedings of the 13th International Conference on Semantic Systems (Semantics), ACM, 2017 - "Managing Lifecycle of Big Data Applications"
Ivan Ermilov, Axel-Cyrille Ngonga Ngomo, Aad Versteden, Hajira Jabeen, Gezim Sejdiu, Giorgos Argyriou, Luigi Selmi, Jürgen Jakobitsch, Jens Lehmann
In: Proceedings of the 8th International Conference on Knowledge Engineering and Semantic Web (KESW), Springer, 2017- download: PDF (507.6 KB)
- formats: BibTeX, RDF
- related info pages: Distributed Analytics
- related weblinks: SANSA Homepage
- download:
- "Dialogue Response Generation using Neural Networks with Attention and Background Knowledge"
Sofiia Kosovan, Jens Lehmann, Asja Fischer
In: Proceedings of the Computer Science Conference for University of Bonn Students (CSCUBS) 2017, 2017- download: PDF (1 MB)
- formats: BibTeX, RDF
- related info pages: Question Answering
- Best Paper Award
- download:
- "Distributed Semantic Analytics using the SANSA Stack"
Jens Lehmann, Gezim Sejdiu, Lorenz Bühmann, Patrick Westphal, Claus Stadler, Ivan Ermilov, Simon Bin, Nilesh Chakraborty, Muhammad Saleem, Axel-Cyrille Ngonga Ngomo
In: Proceedings of the 16th International Semantic Web Conference (ISWC), pages 147-155, Springer, 2017- download: PDF (257.5 KB)
- formats: BibTeX, RDF
- related info pages: Distributed Analytics
- related weblinks: SANSA Homepage
- download:
- "LOG4MEX: A Library to Export Machine Learning Experiments"
Diego Esteves, Diego Moussallem, Tommaso Soru, Ciro Baron Neto, Jens Lehmann, Axel-Cyrille Ngonga Ngomo, Julio Cesar Duarte
In: Proceedings of the 15th IEEE/WIC/ACM International Conference on Web Intelligence (WI), ACM, 2017 - "IGUANA: A Generic Framework for Benchmarking the Read-Write Performance of Triple Stores"
Felix Conrads, Jens Lehmann, Muhammad Saleem, Mohamed Morsey, Axel-Cyrille Ngonga Ngomo
In: Proceedings of the 16th International Semantic Web Conference (ISWC), Springer, 2017 - "WOMBAT - A Generalization Approach for Automatic Link Discovery"
Mohamed Sherif, Axel-Cyrille Ngonga Ngomo, Jens Lehmann
In: 14th Extended Semantic Web Conference, Portoroz, Slovenia, 28th May - 1st June 2017, Springer, 2017 - "Torpedo: Improving the State-of-the-Art RDF~Dataset~Slicing"
Edgard Marx, Saeedeh Shekarpour, Tommaso Soru, Adrian M.P. Brasoveanu, Muhammad Saleem, Ciro Baron Neto, Albert Weichselbraun, Jens Lehmann, Axel-Cyrille Ngonga Ngomo, Sören Auer
In: 11th IEEE International Conference on Semantic Computing, Jan 30-Feb 1, 2017, San Diego, California, USA, 2017 - "Neural Network-based Question Answering over Knowledge Graphs on Word and Character Level"
Denis Lukovnikov, Asja Fischer, Sören Auer, Jens Lehmann
In: Proceedings of the 26th international conference on World Wide Web, ACM, 2017- download: PDF (595.3 KB)
- formats: BibTeX, RDF
- related info pages: Question Answering
- download:
- "The BigDataEurope Platform - Supporting the Variety Dimension of Big Data"
Sören Auer, Simon Scerri, Aad Versteden, Erika Pauwels, Angelos Charalambidis, Stasinos Konstantopoulos, Jens Lehmann, Hajira Jabeen, Ivan Ermilov, Gezim Sejdiu, Andreas Ikonomopoulos, Spyros Andronopoulos, Mandy Vlachogiannis, Charalambos Pappas, Athanasios Davettas, Iraklis A. Klampanos, Efstathios Grigoropoulos, Vangelis Karkaletsis, Victor de Boer, Ronald Siebes, Mohamed Nadjib Mami, Sergio Albani, Michele Lazzarini, Paulo Nunes, Emanuele Angiuli, Nikiforos Pittaras, George Giannakopoulos, Giorgos Argyriou, George Stamoulis, George Papadakis, Manolis Koubarakis, Pythagoras Karampiperis, Axel-Cyrille Ngonga Ngomo, Maria-Esther Vidal
In: Proceedings of the 17th International Conference on Web Engineering (ICWE), Lecture Notes in Computer Science, Springer, 2017- download: PDF (3.9 MB)
- formats: BibTeX, RDF
- related info pages: Distributed Analytics
- download:
- "Integrating New Refinement Operators in Terminological Decision Trees Learning"
Giuseppe Rizzo, Nicola Fanizzi, Jens Lehmann, Lorenz Bühmann
In: Proceedings of the 20th International Conference on Knowledge Engineering and Knowledge Management (EKAW), Lecture Notes in Computer Science, pages 511-526, Springer, 2016- download: PDF (375.9 KB)
- formats: BibTeX, RDF
- related info pages: Concept Learning in Description Logics
- related weblinks: DL-Learner homepage
- download:
- "Exploring Term Networks for Semantic Search over RDF Knowledge Graphs"
Edgard Marx, Konrad Höffner, Saeedeh Shekarpour, Axel-Cyrille Ngonga Ngomo, Jens Lehmann, Sören Auer
In: Emmanouel Garoufallou, Imma Subirats Coll, Armando Stellato, Jane Greenberg (editors), Proceedings of the 10th International Conference on Metadata and Semantics Research (MTSR), 2016- download: PDF (456.4 KB)
- formats: BibTeX, RDF
- related info pages: Question Answering
- download:
- "ACRyLIQ: Leveraging DBpedia for Adaptive Crowdsourcing in Linked Data Quality Assessment"
Umair Ul Hassan, Edward Curry, Amrapali J. Zaveri, Edgard Marx, Jens Lehmann
In: 20th International Conference on Knowledge Engineering and Knowledge Management (EKAW), November 19-23, 2016, Bologna, Italy, Lecture Notes in Computer Science, Springer, 2016- download: PDF (556.4 KB)
- formats: BibTeX, RDF
- related info pages: Ontology Maintenance
- download:
- "Distributed Big Data platform for Life Sciences"
Hajira Jabeen, Jens Lehmann
In: Proceedings of the 1st KAUST Research Conference on Computational and experimental interfaces of Big Data and Biotechnology (CBRC-Conf), 2016- download: not available
- formats: BibTeX, RDF
- related info pages: Distributed Analytics
- "CubeQA - Question Answering on RDF Data Cubes"
Konrad Höffner, Jens Lehmann, Ricardo Usbeck
In: Proceedings of the 15th International Semantic Web Conference (ISWC), Springer, 2016- download: PDF (510.6 KB)
- formats: BibTeX, RDF
- related info pages: Question Answering
- download:
- "MEX Interfaces: Automating Machine Learning Metadata Generation"
Diego Esteves, Pablo Mendes, Diego Moussallem, Julio Cesar Duarte, Amrapali J. Zaveri, Jens Lehmann, Ciro Baron Neto, Igor Costa, Claudia Cavalcanti
In: 12th International Conference on Semantic Systems (SEMANTiCS 2016), 12-15 September 2016, Leipzig, Germany, ACM, 2016 - "LODStats: The Data Web Census Dataset"
Ivan Ermilov, Jens Lehmann, Michael Martin, Sören Auer
In: Proceedings of the 15th International Semantic Web Conference (ISWC), Springer, 2016 - "Towards SPARQL-Based Induction for Large-Scale RDF Data sets"
Simon Bin, Lorenz Bühmann, Jens Lehmann, Axel-Cyrille Ngonga Ngomo
In: Gal A. Kaminka, Maria Fox, Paolo Bouquet, Eyke H?llermeier, Virginia Dignum, Frank Dignum, Frank van Harmelen (editors), Proceedings of the 22nd European Conference on Artificial Intelligence (ECAI), 2016- download: PDF (91.4 KB)
- formats: BibTeX, RDF
- related info pages: Concept Learning in Description Logics
- related weblinks: DL-Learner homepage
- download:
- "AskNow: A Framework for Natural Language Query Formalization in SPARQL"
Mohnish Dubey, Sourish Dasgupta, Ankit Sharma, Konrad Höffner, Jens Lehmann
In: Proc. of the Extended Semantic Web Conference 2016, Springer, 2016- download: PDF (342.8 KB)
- formats: BibTeX, RDF
- related info pages: Question Answering
- Fraunhofer IAIS Paper of the Month March 2017
- download:
- "Semantically Enhanced Quality Assurance in the JURION Business Use Case"
Dimitris Kontokostas, Christian Mader, Christian Dirschl, Katja Eck, Michael Leuthold, Jens Lehmann, Sebastian Hellmann
In: Proceedings of the 13th Extended Semantic Web Conference (ESWC), Springer, 2016 - "Test-driven Assessment of R2RML Mappings to Improve Dataset Quality."
Anastasia Dimou, Dimitris Kontokostas, Markus Freudenberg, Ruben Verborgh, Jens Lehmann, Erik Mannens, Sebastian Hellmann, Rik Van de Walle
In: Serena Villata, Jeff Z. Pan, Mauro Dragoni (editors), The 14th International Semantic Web Conference, Posters & Demonstrations Track, volume 1486, CEUR-WS.org, 2015 - "DBpedia Commons: Structured Multimedia Metadata from the Wikimedia Commons"
Gaurav Vaidya, Dimitris Kontokostas, Magnus Knuth, Jens Lehmann, Sebastian Hellmann
In: Proceedings of the 14th International Semantic Web Conference (ISWC), pages 281-289, Springer, 2015- download: PDF (268.3 KB)
- formats: BibTeX, RDF
- related info pages: RDF Extraction
- related weblinks: DBpedia Homepage
- download:
- "Automating RDF Dataset Transformation and Enrichment"
Mohamed Sherif, Axel-Cyrille Ngonga Ngomo, Jens Lehmann
In: Proceedings of the 12nd Extended Semantic Web Conference (ESWC), pages 371-387, Springer, 2015 - "Unsupervised Learning of an Extensive and Usable Taxonomy for DBpedia"
Marco Fossati, Dimitris Kontokostas, Jens Lehmann
In: Proceedings of the 11th International Conference on Semantic Systems, pages 177-184, ACM, 2015- download: PDF (277.9 KB)
- formats: BibTeX, RDF
- related info pages: RDF Extraction
- related weblinks: DBpedia Homepage
- download:
- "MEX Vocabulary: A Lightweight Interchange Format for Machine Learning Experiments"
Diego Esteves, Diego Moussallem, Ciro Baron Neto, Tommaso Soru, Ricardo Usbeck, Markus Ackermann, Jens Lehmann
In: SEMANTiCS 2015, pages 169-176, ACM, 2015 - "Assessing and Refining Mappings to RDF to Improve Dataset Quality"
Anastasia Dimou, Dimitris Kontokostas, Markus Freudenberg, Ruben Verborgh, Jens Lehmann, Erik Mannens, Sebastian Hellmann, Rik Van de Walle
In: Proceedings of the 14th International Semantic Web Conference, LNCS, Springer, 2015 - "Towards an Open Question Answering Architecture"
Edgard Marx, Ricardo Usbeck, Axel-Cyrille Ngonga Ngomo, Konrad Höffner, Jens Lehmann, Sören Auer
In: Proceedings of the 10th SEMANTiCs - Transfer, Engineering, Community (SEMANTiCs), 2014- download: PDF (499.4 KB)
- formats: BibTeX, RDF
- related info pages: Question Answering
- download:
- "LD viewer-linked data presentation framework"
Denis Lukovnikov, Claus Stadler, Jens Lehmann
In: Proceedings of the 10th SEMANTiCs - Transfer, Engineering, Community (SEMANTiCs), ACM, 2014 - "Towards Question Answering on Statistical Linked Data"
Konrad Höffner, Jens Lehmann
In: Proceedings of the 10th SEMANTiCs - Transfer, Engineering, Community (SEMANTiCs), ACM, 2014- download: PDF (473.1 KB)
- formats: BibTeX, RDF
- related info pages: Question Answering
- download:
- "Inductive Lexical Learning of Class Expressions"
Lorenz Bühmann, Daniel Fleischhacker, Jens Lehmann, Andre Melo, Johanna Völker
In: Krzysztof Janowicz, Stefan Schlobach, Patrick Lambrix, Eero Hyvönen (editors), Proceedings of the 19th International Conference on Knowledge Engineering and Knowledge Management (EKAW), volume 8876, Springer, 2014- download: PDF (203.9 KB)
- formats: BibTeX, RDF
- related info pages: Concept Learning in Description Logics
- related weblinks: DL-Learner homepage
- download:
- "Ontology Based Data Access and Integration for Improving the Effectiveness of Farming in Nepal"
Suresh Pokharel, Mohamed Sherif, Jens Lehmann
In: Proceedings of the 13th IEEE/WIC/ACM International Conference on Web Intelligence (WI), ACM, 2014- download: PDF (848.5 KB)
- formats: BibTeX, RDF
- related weblinks: GeoKnow homepage
- download:
- "Hybrid Acquisition of Temporal Scopes for RDF Data"
Anisa Rula, Matteo Palmonari, Axel-Cyrille Ngonga Ngomo, Daniel Gerber, Jens Lehmann, Lorenz Bühmann
In: Proc. of the Extended Semantic Web Conference 2014, 2014 - "NLP data cleansing based on Linguistic Ontology constraints"
Dimitris Kontokostas, Martin Brümmer, Sebastian Hellmann, Jens Lehmann, Lazaros Ioannidis
In: Proc. of the Extended Semantic Web Conference 2014, Lecture Notes in Computer Science, Springer, 2014 - "NIF4OGGD - NLP Interchange Format for Open German Governmental Data"
Mohamed Sherif, Sandro Coelho, Ricardo Usbeck, Sebastian Hellmann, Jens Lehmann, Martin Brümmer, Andreas Both
In: Proceedings of the 9th Language Resources and Evaluation Conference (LREC), 2014 - "Test-driven Evaluation of Linked Data Quality"
Dimitris Kontokostas, Patrick Westphal, Sören Auer, Sebastian Hellmann, Jens Lehmann, Roland Cornelissen, Amrapali J. Zaveri
In: Proceedings of the 23th World Wide Web Conference (WWW), ACM, 2014 - "Keyword Query Expansion on Linked Data Using Linguistic and Semantic Features"
Saeedeh Shekarpour, Konrad Höffner, Jens Lehmann, Sören Auer
In: Proceedings of the 7th IEEE International Conference on Semantic Computing (ICSC), Springer, 2013 - "Transfer Learning of Link Specifications"
Axel-Cyrille Ngonga Ngomo, Jens Lehmann, Mofeed Hassan
In: Proceedings of the 7th IEEE International Conference on Semantic Computing (ICSC), Springer, 2013 - "Can we Create Better Links by Playing Games?"
Jens Lehmann, Quan Nguyen, Timofey Ermilov
In: Proceedings of the 7th IEEE International Conference on Semantic Computing (ICSC), Springer, 2013 - "TripleCheckMate: A Tool for Crowdsourcing the Quality Assessment of Linked Data"
Dimitris Kontokostas, Amrapali J. Zaveri, Sören Auer, Jens Lehmann
In: Proceedings of the 4th Conference on Knowledge Engineering and Semantic Web (KESW), Springer, 2013 - "TBSL Question Answering System Demo"
Konrad Höffner, Christina Unger, Lorenz Bühmann, Jens Lehmann, Axel-Cyrille Ngonga Ngomo, Daniel Gerber, Philipp Cimiano
In: Proceedings of the 4th Conference on Knowledge Engineering and Semantic Web (KESW), Springer, 2013- download: PDF (580.8 KB)
- formats: BibTeX, RDF
- related info pages: Question Answering
- download:
- "Integrating NLP using Linked Data"
Sebastian Hellmann, Jens Lehmann, Sören Auer, Martin Brümmer
In: Proceedings of the 12nd International Semantic Web Conference (ISWC), Springer, 2013 - "Linked Open Data Statistics: Collection and Exploitation"
Ivan Ermilov, Michael Martin, Jens Lehmann, Sören Auer
In: Proceedings of the 4th Conference on Knowledge Engineering and Semantic Web (KESW), Springer, 2013 - "Pattern Based Knowledge Base Enrichment"
Lorenz Bühmann, Jens Lehmann
In: 12th International Semantic Web Conference, 21-25 October 2013, Sydney, Australia, Lecture Notes in Computer Science, volume 8218, pages 33-48, Springer, 2013- download: PDF (704.6 KB)
- formats: BibTeX, RDF
- related info pages: Concept Learning in Description Logics
- related weblinks: DL-Learner homepage
- download:
- "Crowdsourcing Linked Data Quality Assessment"
Maribel Acosta, Amrapali J. Zaveri, Elena Simperl, Dimitris Kontokostas, Sören Auer, Jens Lehmann
In: 12th International Semantic Web Conference, 21-25 October 2013, Sydney, Australia, Lecture Notes in Computer Science, volume 8219, pages 260-276, Springer, 2013- download: PDF (1.3 MB)
- formats: BibTeX, RDF
- related weblinks: DBpedia Homepage
- download:
- "User-driven Quality Evaluation of DBpedia"
Amrapali J. Zaveri, Dimitris Kontokostas, Mohamed Sherif, Lorenz Bühmann, Mohamed Morsey, Sören Auer, Jens Lehmann
In: Proceedings of the 9th International Conference on Semantic Systems (I-Semantics), ACM, 2013- download: PDF (163.5 KB)
- formats: BibTeX, RDF
- related info pages: RDF Extraction
- related weblinks: DBpedia Homepage
- download:
- "Sorry, I don't speak SPARQL - Translating SPARQL Queries into Natural Language"
Axel-Cyrille Ngonga Ngomo, Lorenz Bühmann, Christina Unger, Jens Lehmann, Daniel Gerber
In: Proceedings of the 22nd International Conference on World Wide Web (WWW), ACM, 2013 - "Usage-Centric Benchmarking of RDF Triple Stores"
Mohamed Morsey, Jens Lehmann, Sören Auer, Axel-Cyrille Ngonga Ngomo
In: Proceedings of the 26th Association for the Advancement of Artificial Intelligence Conference (AAAI), AAAI Press, 2012 - "DeFacto - Deep Fact Validation"
Jens Lehmann, Daniel Gerber, Mohamed Morsey, Axel-Cyrille Ngonga Ngomo
In: Proceedings of the 11st International Semantic Web Conference (ISWC), Lecture Notes in Computer Science, volume 7649, pages 312-327, Springer, 2012 - "DEQA: Deep Web Extraction for Question Answering"
Jens Lehmann, Tim Furche, Giovanni Grasso, Axel-Cyrille Ngonga Ngomo, Christian Schallhart, Andrew Sellers, Christina Unger, Lorenz Bühmann, Daniel Gerber, Konrad Höffner
In: Proceedings of the 11st International Semantic Web Conference (ISWC), Lecture Notes in Computer Science , volume 7650, pages 131-147, Springer, 2012- download: PDF (1.2 MB)
- formats: BibTeX, RDF
- related info pages: Question Answering
- download:
- "Navigation-induced Knowledge Engineering by Example"
Sebastian Hellmann, Jens Lehmann, Jörg Unbehauen, Claus Stadler, Thanh Nghia Lam, Markus Strohmaier
In: Proceedings of the 2nd Joint International Semantic Technology Conference (JIST), Lecture Notes in Computer Science , volume 7774, pages 207-222, Springer, 2012- download: PDF (1.2 MB)
- formats: BibTeX, RDF
- related info pages: Concept Learning in Description Logics
- related weblinks: DL-Learner homepage
- download:
- "Improving the Performance of a SPARQL Component for Semantic Web Applications"
Didier Cherix, Sebastian Hellmann, Jens Lehmann
In: Proceedings of the 2nd Joint International Semantic Technology Conference (JIST), Lecture Notes in Computer Science, volume 7774, pages 332-337, Springer, 2012- download: PDF (391.1 KB)
- formats: BibTeX, RDF
- related info pages: Concept Learning in Description Logics, Ontology Maintenance
- related weblinks: DL-Learner homepage
- download:
- "Managing the life-cycle of Linked Data with the LOD2 Stack"
Sören Auer, Lorenz Bühmann, Jens Lehmann, Michael Hausenblas, Sebastian Tramp (geb. Dietzold), Bert van Nuffelen, Pablo Mendes, Christian Dirschl, Robert Isele, Hugh Williams
In: Proceedings of the 11st International Semantic Web Conference (ISWC), Lecture Notes in Computer Science, volume 7650, pages 1-16, Springer, 2012 - "Assessing Linked Data Mappings Using Network Measures"
Christophe Guéret, Paul Groth, Claus Stadler, Jens Lehmann
In: Proceedings of the 9th Extended Semantic Web Conference (ESWC), Lecture Notes in Computer Science, volume 7295, pages 87-102, Springer, 2012 - "Universal OWL Axiom Enrichment for Large Knowledge Bases"
Lorenz Bühmann, Jens Lehmann
In: Proceedings of the 18th International Conference on Knowledge Engineering and Knowledge Management (EKAW), Lecture Notes in Computer Science, volume 7603, pages 57-71, Springer, 2012- download: PDF (507.2 KB)
- formats: BibTeX, RDF
- related info pages: Concept Learning in Description Logics, Ontology Maintenance
- related weblinks: DL-Learner homepage
- download:
- "Linked-Data Aware URI Schemes for Referencing Text Fragments"
Sebastian Hellmann, Jens Lehmann, Sören Auer
In: Proceedings of the 18th International Conference on Knowledge Engineering and Knowledge Management (EKAW), Lecture Notes in Computer Science , volume 7603, pages 175-184, Springer, 2012 - "Template-based question answering over RDF data"
Christina Unger, Lorenz Bühmann, Jens Lehmann, Axel-Cyrille Ngonga Ngomo, Philipp Cimiano, Daniel Gerber
In: Proceedings of the 21st International World Wide Web Conference, pages 639--648, ACM, 2012- download: PDF (753.2 KB)
- formats: BibTeX, RDF
- related info pages: Question Answering
- download:
- "LODStats - An Extensible Framework for High-performance Dataset Analytics"
Jan Demter, Sören Auer, Michael Martin, Jens Lehmann
In: Proceedings of the 18th International Conference on Knowledge Engineering and Knowledge Management (EKAW), Lecture Notes in Computer Science, volume 7603, pages 353-362, Springer, 2012 - "Towards Integrating Fuzzy Logic Capabilities into an Ontology-based Inductive Logic Programming Framework"
Josué Iglesias, Jens Lehmann
In: Proc. of the 11th International Conference on Intelligent Systems Design and Applications ISDA, pages 1323-1328, IEEE, 2011- download: PDF (654.9 KB)
- formats: BibTeX, RDF
- related info pages: Concept Learning in Description Logics
- related weblinks: DL-Learner homepage
- download:
- "ReDD-Observatory: Using the Web of Data for Evaluating the Research-Disease Disparity"
Amrapali J. Zaveri, Ricardo Pietrobon, Sören Auer, Jens Lehmann, Michael Martin, Timofey Ermilov
In: Proceedings of the 10th International Conference on Web Intelligence (WI), pages 178-185, IEEE, 2011 - "DBpedia SPARQL Benchmark -- Performance Assessment with Real Queries on Real Data"
Mohamed Morsey, Jens Lehmann, Sören Auer, Axel-Cyrille Ngonga Ngomo
In: Proc. of the International Semantic Web Conference, Lecture Notes in Computer Science, volume 7301, pages 454-469, Springer, 2011- download: PDF (511 KB)
- formats: BibTeX, RDF
- related weblinks: DBpedia Homepage
- Best Paper Award
- download:
- "AutoSPARQL: Let Users Query Your Knowledge Base"
Jens Lehmann, Lorenz Bühmann
In: Proceedings of ESWC 2011, 2011- download: PDF (608.2 KB)
- formats: BibTeX, RDF
- related info pages: Concept Learning in Description Logics, Question Answering
- related weblinks: DBpedia Homepage, DL-Learner homepage
- download:
- "ORE - A Tool for Repairing and Enriching Knowledge Bases"
Jens Lehmann, Lorenz Bühmann
In: Proceedings of the 9th International Semantic Web Conference, Lecture Notes in Computer Science, volume 6497, pages 177-193, Springer, 2010- download: PDF (644.6 KB)
- formats: BibTeX, RDF
- related info pages: Concept Learning in Description Logics, Ontology Maintenance
- related weblinks: DL-Learner homepage, ORE homepage
- download:
- "I18n of Semantic Web Applications"
Sören Auer, Matthias Weidl, Jens Lehmann, Amrapali J. Zaveri, Key-Sun Choi
In: Proceedings of the 9th International Semantic Web Conference, Lecture Notes in Computer Science, volume 6497, pages 1-16, Springer, 2010 - "Ideal Downward Refinement in the EL Description Logic"
Jens Lehmann, Christoph Haase
In: Proceedings of the 19th International Conference on Inductive Logic Programming, Lecture Notes in Computer Science, volume 5989, pages 73--87, Springer, 2009- download: PDF (256.2 KB)
- formats: BibTeX, RDF
- related info pages: Concept Learning in Description Logics
- related weblinks: DL-Learner homepage
- download:
- "DBpedia - A Linked Data Hub and Data Source for Web Applications and Enterprises"
Georgi Kobilarov, Chris Bizer, Sören Auer, Jens Lehmann
In: Proceedings of Developers Track of 18th International World Wide Web Conference, 2009- download: PDF (920.5 KB)
- formats: BibTeX, RDF
- related info pages: RDF Extraction
- related weblinks: DBpedia Homepage
- download:
- "RelFinder: Revealing Relationships in RDF Knowledge Bases"
Philipp Heim, Sebastian Hellmann, Jens Lehmann, Steffen Lohmann, Timo Stegemann
In: Proceedings of the 3rd International Conference on Semantic and Media Technologies, Lecture Notes in Computer Science, volume 5887, pages 182-187, Springer, 2009 - "LinkedGeoData - Adding a Spatial Dimension to the Web of Data"
Sören Auer, Jens Lehmann, Sebastian Hellmann
In: Proc. of 7th International Semantic Web Conference ISWC, Lecture Notes in Computer Science, volume 5823, pages 731-746, Springer, 2009- download: PDF (453.9 KB)
- formats: BibTeX, RDF
- related info pages: Spatial Data in the Semantic Web, RDF Extraction
- related weblinks: LinkedGeoData homepage
- download:
- "DBpedia Live Extraction"
Sebastian Hellmann, Claus Stadler, Jens Lehmann, Sören Auer
In: Proceedings of the 8th International Conference on Ontologies, DataBases, and Applications of Semantics (ODBASE), Lecture Notes in Computer Science, volume 5871, pages 1209–1223, Springer, 2009- download: PDF (281.1 KB)
- formats: BibTeX, RDF
- related info pages: RDF Extraction
- related weblinks: DBpedia Homepage
- download:
- "Triplify - Lightweight Linked Data Publication from Relational Databases"
Sören Auer, Sebastian Tramp (geb. Dietzold), Jens Lehmann, Sebastian Hellmann, David Aumüller
In: Proceedings of the 18th World Wide Web Conference (WWW), pages 621-630, ACM, 2009 - "DBpedia: A Nucleus for a Web of Open Data"
Sören Auer, Chris Bizer, Georgi Kobilarov, Jens Lehmann, Richard Cyganiak, Zachary Ives
In: Proceedings of the 6th International Semantic Web Conference (ISWC), Lecture Notes in Computer Science, volume 4825, pages 722-735, Springer, 2008- download: PDF (1.2 MB)
- formats: BibTeX, RDF
- related info pages: RDF Extraction
- related weblinks: DBpedia Homepage
- 10 Year Best Paper Award
- download:
- "A Refinement Operator Based Learning Algorithm for the ALC Description Logic"
Jens Lehmann, Pascal Hitzler
In: Hendrick Blockeel, Jude W. Shavlik, Prasad Tadepalli (editors), Proceedings of the 17th International Conference on Inductive Logic Programming (ILP), Lecture Notes in Computer Science, volume 4894, pages 147--160, Springer, 2008- download: PDF (240.1 KB)
- formats: BibTeX, RDF
- related info pages: Concept Learning in Description Logics
- Best Student Paper Award ($1500 sponsored by the Machine Learning Journal)
- download:
- "Foundations of Refinement Operators for Description Logics"
Jens Lehmann, Pascal Hitzler
In: Hendrick Blockeel, Jude W. Shavlik, Prasad Tadepalli (editors), Proceedings of the 17th International Conference on Inductive Logic Programming (ILP), Lecture Notes in Computer Science, volume 4894, pages 161--174, Springer, 2008- download: PDF (202.2 KB)
- formats: BibTeX, RDF
- related info pages: Concept Learning in Description Logics
- Best Student Paper Award ($1500 sponsored by the Machine Learning Journal)
- download:
- "SWORE - SoftWiki Ontology for Requirements Engineering"
Thomas Riechert, Kim Lauenroth, Jens Lehmann
In: Sören Auer, Chris Bizer, Claudia Müller, Anna Zhdanova (editors), Proceedings of the 1st Conference on Social Semantic Web, 2007 - "Hybrid Learning of Ontology Classes"
Jens Lehmann
In: Proceedings of the 5th International Conference on Machine Learning and Data Mining (MLDM), Lecture Notes in Computer Science, volume 4571, pages 883-898, Springer, 2007- download: PDF (233.4 KB)
- formats: BibTeX, RDF
- related info pages: Concept Learning in Description Logics
- download:
- "Discovering Unknown Connections - the DBpedia Relationship Finder"
Jens Lehmann, Jörg Schüppel, Sören Auer
In: Proceedings of the 1st SABRE Conference on Social Semantic Web (CSSW), 2007- download: PDF (247.5 KB)
- formats: BibTeX, RDF
- related info pages: RDF Extraction
- related weblinks: DBpedia Homepage, DBpedia Relationship Finder
- download:
- "Towards Semantic based Requirements Engineering"
Thomas Riechert, Kim Lauenroth, Jens Lehmann, Sören Auer
In: Proceedings of the 7th International Conference on Knowledge Management (I-KNOW), 2007- download: PDF (255 KB)
- formats: BibTeX, RDF
- related weblinks: SoftWiki Homepage, SWORE homepage
- download:
- "What have Innsbruck and Leipzig in common? Extracting Semantic from Wiki Content"
Sören Auer, Jens Lehmann
In: Enrico Franconi, Michael Kifer, Wolfgang May (editors), Proceedings of the 4th European Semantic Web Conference (ESWC), Lecture Notes in Computer Science, volume 4519, pages 503-517, Springer, 2007- download: PDF (240.9 KB)
- formats: BibTeX, RDF
- related weblinks: DBpedia Homepage, DBpedia Query Builder
- 7-Years Most Influential Paper Award
- download:
[ ↑ ]
Workshop Proceedings (8)
- "Belittling the Source: Trustworthiness Indicators to Obfuscate Fake News on the Web"
Diego Esteves, Aniketh Janardhan Reddy, Piyush Chawla, Jens Lehmann
(editors), 2018 - "Proceedings of the 11th Workshop for Linked Data on the Web"
Tim Berners-Lee, Sarven Capadisli, Stefan Dietze, Aidan Hogan, Krzysztof Janowicz, Jens Lehmann (editors), volume 2073, CEUR-WS.org, 2018 - "Proceedings of the 10th Workshop for Linked Data on the Web"
Sören Auer, Tim Berners-Lee, Chris Bizer, Sarven Capadisli, Tom Heath, Krzysztof Janowicz, Jens Lehmann, Hideaki Takeda (editors), volume 1809, CEUR-WS.org, 2017 - "Proceedings of the 4th Knowledge Discovery and Data Mining Meets Linked Open Data (Know@LOD) Workshop in conjuction with the Extended Semantic Web Conference (ESWC) 2015."
Johanna Völker, Heiko Paulheim, Jens Lehmann, Vojtech Svatek (editors), volume 1365, CEUR-WS.org, 2015 - "Proceedings of the 3rd Knowledge Discovery and Data Mining Meets Linked Open Data Know@LOD Workshop in conjuction with the Extended Semantic Web Conference ESWC 2014."
Johanna Völker, Heiko Paulheim, Jens Lehmann, Harald Sack, Vojtech Svatek (editors), CEUR-WS.org, 2014 - "Proceedings of the 1st International Workshop on Crowdsourcing the Semantic Web"
Maribel Acosta, Lora Aroyo, Abraham Bernstein, Jens Lehmann, Natasha Noy, Elena Simperl (editors), volume 1030, CEUR-WS.org, 2013 - "Proc. of the 2nd Workshop on Knowledge Discovery and Data Mining Meets Linked Open Data (Know@LOD)"
Johanna Völker, Heiko Paulheim, Jens Lehmann, Mathias Niepert, Harald Sack (editors), volume 992, CEUR-WS.org, 2013 - "Proc. of the 1st Workshop on Knowledge Discovery and Data Mining Meets Linked Open Data (Know@LOD)"
Johanna Völker, Heiko Paulheim, Jens Lehmann, Mathias Niepert (editors), volume 868, CEUR-WS.org, 2012
[ ↑ ]
Workshop Publications (25)
- "Improving Access to Science for Social Good"
Mehdi Ali, Sahar Vahdati, Shruti Singh, Sourish Dasgupta, Jens Lehmann
In: Proc. of the 4th Workshop on Data Science for Social Good (co-located with ECML PKDD), 2019 - "Linking Physicians to Medical Research Results via Knowledge Graph Embeddings and Twitter"
Afshin Sadeghi, Jens Lehmann
In: Proc. of the 4th Workshop on Data Science for Social Good (co-located with ECML PKDD), 2019 - "Metaresearch recommendations using knowledge graph embeddings"
Veronika Henk, Sahar Vahdati, Mojtaba Nayyeri, Mehdi Ali, Hamed Shariat Yazdi, Jens Lehmann
In: RecNLP workshop of AAAI Conference, 2019 - "Translating Natural Language to SQL using Pointer-Generator Networks and How Decoding Order Matters"
Denis Lukovnikov, Nilesh Chakraborty, Jens Lehmann, Asja Fischer
In: Reasoning for Complex Question Answering Workshop, 2019- download: PDF (291.1 KB)
- formats: BibTeX, RDF
- related info pages: Question Answering
- download:
- "Two for One - Querying Property Graph Databases using SPARQL via Gremlinator"
Harsh Thakkar, Dharmen Punjani, Jens Lehmann, Sören Auer
In: International Workshop on Graph Data Management Experiences & Systems at SIGMOD / PODS, 2018 - "Big Data Europe"
Hajira Jabeen, Phil Archer, Simon Scerri, Aad Versteden, Ivan Ermilov, Giannis Mouchakis, Jens Lehmann, Sören Auer
In: Proceedings of the Workshops of the EDBT/ICDT 2017 Joint Conference, CEUR-WS.org, 2017- download: PDF (785.8 KB)
- formats: BibTeX, RDF
- related info pages: Distributed Analytics
- download:
- "JPA Criteria Queries over RDF Data"
Claus Stadler, Jens Lehmann
In: Workshop on Querying the Web of Data co-located with the Extended Semantic Web Conference, 2017 - "LDOW2017: 10th Workshop on Linked Data on the Web"
Jens Lehmann, Sören Auer, Sarven Capadisli, Krzysztof Janowicz, Chris Bizer, Tom Heath, Aidan Hogan, Tim Berners-Lee
In: Proceedings of the 28th International Conference Companion on World Wide Web, ACM, 2017 - "Lion's Den: Feeding the LinkLion"
Mohamed Sherif, Mofeed Hassan, Tommaso Soru, Axel-Cyrille Ngonga Ngomo, Jens Lehmann
In: Proceedings of the 11th Workshop on Ontology Matching co-located with ISWC, CEUR-WS.org, 2016 - "DBtrends : Publishing and Benchmarking RDF Ranking Functions"
Edgard Marx, Amrapali J. Zaveri, Mofeed Hassan, Sandro Rautenberg, Jens Lehmann, Axel-Cyrille Ngonga Ngomo, Gong Cheng
In: 2nd International Workshop on Summarizing and Presenting Entities and Ontologies, co-located with the 13th Extended Semantic Web Conference, CEUR-WS.org, 2016 - "Simplified RDB2RDF Mapping"
Claus Stadler, Jörg Unbehauen, Patrick Westphal, Mohamed Sherif, Jens Lehmann
In: Proceedings of the 8th Workshop on Linked Data on the Web (LDOW2015), Florence, Italy, CEUR-WS.org, 2015- download: PDF (528.7 KB)
- formats: BibTeX, RDF
- related info pages: RDF Extraction
- download:
- "Interlinking: Performance Assessment of User Evaluation vs. Supervised Learning Approaches"
Mofeed Hassan, Jens Lehmann, Axel-Cyrille Ngonga Ngomo
In: Proceedings of the 8th Workshop on Linked Data on the Web (LDOW2015), Florence, Italy, CEUR-WS.org, 2015 - "Lessons Learned---the Case of CROCUS: Cluster-based ontology data cleansing"
Didier Cherix, Ricardo Usbeck, Andreas Both, Jens Lehmann
In: ESWC Best of Workshops Proceedings, Springer, 2014- download: PDF (453.9 KB)
- formats: BibTeX, RDF
- related weblinks: GeoKnow homepage
- download:
- "Jassa - A JavaScript suite for SPARQL-based faceted search"
Claus Stadler, Patrick Westphal, Jens Lehmann
In: Proceedings of the ISWC Developers Workshop 2014, CEUR-WS.org, 2014- download: PDF (810.1 KB)
- formats: BibTeX, RDF
- related weblinks: GeoKnow homepage
- download:
- "The GeoKnow Project"
Jens Lehmann, Axel-Cyrille Ngonga Ngomo
In: ESWC EU Project Networking Track, 2014- download: PDF (152.2 KB)
- formats: BibTeX, RDF
- related info pages: Spatial Data in the Semantic Web
- related weblinks: GeoKnow homepage
- download:
- "DBpedia Viewer - An Integrative Interface for DBpedia leveraging the DBpedia Service Eco System"
Denis Lukovnikov, Claus Stadler, Dimitris Kontokostas, Sebastian Hellmann, Jens Lehmann
In: Proc. of the Linked Data on the Web 2014 Workshop, 2014- download: PDF (573.4 KB)
- formats: BibTeX, RDF
- related weblinks: DBpedia Homepage
- download:
- "The GeoKnow Generator: Managing Geospatial Data in the Linked Data Web"
Jon Jay Le Grange, Jens Lehmann, Spiros Athanasiou, Alejandra Garcia-Rojas, Giorgos Giannopoulos, Daniel Hladky, Robert Isele, Axel-Cyrille Ngonga Ngomo, Mohamed Sherif, Claus Stadler
In: Proceedings of the Linking Geospatial Data Workshop, 2014- download: PDF (255.9 KB)
- formats: BibTeX, RDF
- related info pages: Spatial Data in the Semantic Web
- related weblinks: GeoKnow homepage
- download:
- "CROCUS: Cluster-based ontology data cleansing"
Didier Cherix, Ricardo Usbeck, Andreas Both, Jens Lehmann
In: Proceedings of the 2nd International Workshop on Semantic Web Enterprise Adoption and Best Practice (WASABI), 2014- download: PDF (541.6 KB)
- formats: BibTeX, RDF
- related weblinks: GeoKnow homepage
- WASABI Best Workshop Paper and ESWC Best of Workshops Paper
- download:
- "Towards Biomedical Data Integration for Analyzing the Evolution of Cognition"
Amrapali J. Zaveri, Katja Nowick, Jens Lehmann
In: Proceedings of Ontology and Data in Life Sciences Workshop ODLS, Lecture Notes in Informatics (LNI), GI, 2013 - "GeoKnow: Leveraging Geospatial Data in the Web of Data"
Alejandra Garcia-Rojas, Spiros Athanasiou, Jens Lehmann, Daniel Hladky
In: Open Data on the Web Workshop, 2013- download: PDF (180.3 KB)
- formats: BibTeX, RDF
- related weblinks: GeoKnow homepage
- download:
- "EAGER: extending automatically gazetteers for entity recognition"
Omer Gunes, Christian Schallhart, Tim Furche, Jens Lehmann, Axel-Cyrille Ngonga Ngomo
In: Proceedings of the 3rd Workshop on the People's Web Meets NLP: Collaboratively Constructed Semantic Resources and their Applications to NLP, 2012 - "RAVEN - Active Learning of Link Specifications"
Axel-Cyrille Ngonga Ngomo, Jens Lehmann, Sören Auer, Konrad Höffner
In: Proceedings of the Ontology Matching Workshop, 2011 - "Update Strategies for DBpedia Live"
Claus Stadler, Michael Martin, Jens Lehmann, Sebastian Hellmann
In: 6th Workshop on Scripting and Development for the Semantic Web Colocated with ESWC, 2010- download: PDF (255.6 KB)
- formats: BibTeX, RDF
- related info pages: RDF Extraction
- related weblinks: DBpedia Homepage
- download:
- "Semantisch unterstuetztes Requirements Engineering"
Thomas Riechert, Kim Lauenroth, Jens Lehmann
In: Proceedings of the SABRE-07 SoftWiki Workshop, 2007- download: PDF (305.2 KB)
- formats: BibTeX, RDF
- related weblinks: OntoWiki Homepage, SoftWiki Homepage, SWORE homepage
- extended german version of "Towards Semantic based Requirements Engineering"
- download:
- "Extracting Reduced Logic Programs from Artificial Neural Networks"
Jens Lehmann, Sebastian Bader, Pascal Hitzler
In: Proceedings of the IJCAI-05 Workshop on Neural-Symbolic Learning and Reasoning, NeSy'05, 2005- download: PDF (326.6 KB),
PS (237.7 KB) - formats: BibTeX, RDF
- related info pages: ANN Extraction
- download:
[ ↑ ]
Poster Publications (7)
- "How to Revert Question Answering on Knowledge Graphs"
Gaurav Maheshwari, Mohnish Dubey, Priyansh Trivedi, Jens Lehmann
At: 13th International Conference on Semantic Systems (Semantics), Springer, 2017- download: PDF (249.5 KB)
- formats: BibTeX, RDF
- related info pages: Question Answering
- download:
- "DeFacto - A Multilingual Fact Validation Interface"
René Speck, Diego Esteves, Jens Lehmann, Axel-Cyrille Ngonga Ngomo
At: Serena Villata, Jeff Z. Pan, Mauro Dragoni (editors), 14th International Semantic Web Conference (ISWC 2015) Semantic Web Challenge, 2015 - "An Open Question Answering Framework"
Edgard Marx, Tommaso Soru, Diego Esteves, Axel-Cyrille Ngonga Ngomo, Jens Lehmann
At: The 14th International Semantic Web Conference, Posters & Demonstrations Track, CEUR-WS.org, 2015- download: PDF (416.3 KB)
- formats: BibTeX, RDF
- related info pages: Question Answering
- download:
- "Interoperable Machine Learning Metadata using MEX."
Diego Esteves, Diego Moussallem, Ciro Baron Neto, Jens Lehmann, Claudia Cavalcanti, Julio Cesar Duarte
At: Serena Villata, Jeff Z. Pan, Mauro Dragoni (editors), International Semantic Web Conference (Posters & Demos), volume 1486, CEUR-WS.org, 2015 - "A Fuzzy Knowledge Representation Model for Student Performance Assessment"
Farshad Badie, Tommaso Soru, Jens Lehmann
At: 2014 IEEE 14th International Conference on Advanced Learning Technologies ICALT, 2014 - "Linked Data Quality Assessment through Network Analysis"
Christophe Guéret, Paul Groth, Claus Stadler, Jens Lehmann
At: ISWC 2011 Posters and Demos, 2011 - "Learning of OWL Class Descriptions on Very Large Knowledge Bases"
Sebastian Hellmann, Jens Lehmann, Sören Auer
At: 7th International Semantic Web Conference (ISWC), 2008
[ ↑ ]
Demos (26)
- "Predicting Missing Links Using PyKEEN"
Mehdi Ali, Charles Tapley Hoyt, Daniel Domingo-Fernández, Jens Lehmann
In: Proceedings of 18th International Semantic Web Conference - Poster & Demos, 2019 - "Microbenchmarks for Question Answering Systems Using QaldGen"
Qaiser Mehmood, Abhishek Nadgeri, Muhammad Saleem, Kuldeep Singh, Axel-Cyrille Ngonga Ngomo, Jens Lehmann
In: Proceedings of 18th International Semantic Web Conference - Poster & Demos, 2019 - "How to feed the Squerall with RDF and other data nuts?"
Mohamed Nadjib Mami, Damien Graux, Simon Scerri, Hajira Jabeen, Sören Auer, Jens Lehmann
In: Proceedings of 18th International Semantic Web Conference - Poster & Demos, 2019- download: PDF (223.6 KB)
- formats: BibTeX, RDF
- related weblinks: SANSA Homepage
- download:
- "Querying large-scale RDF datasets using the SANSA framework"
Claus Stadler, Gezim Sejdiu, Damien Graux, Jens Lehmann
In: Proceedings of 18th International Semantic Web Conference - Poster & Demos, 2019- download: PDF (901.4 KB)
- formats: BibTeX, RDF
- related weblinks: SANSA Homepage
- download:
- "Clustering Pipelines of Large RDF POI Data"
Rajjat Dadwal, Damien Graux, Gezim Sejdiu, Hajira Jabeen, Jens Lehmann
In: Extended Semantic Web Conference Posters and Demos, 2019- download: PDF (543.5 KB)
- formats: BibTeX, RDF
- related info pages: Distributed Analytics
- related weblinks: SANSA Homepage
- download:
- "The Hubs and Authorities Transaction Network Analysis using the SANSA framework"
Danning Sui, Gezim Sejdiu, Damien Graux, Jens Lehmann
In: Joint Proceedings of the Posters and Demos Track of the International Conference on Semantic Systems 2019, 2019- download: PDF (883.5 KB)
- formats: BibTeX, RDF
- related info pages: Distributed Analytics
- related weblinks: SANSA Homepage
- download:
- "Joint Entity and Relation Linking using EARL"
Debayan Banerjee, Mohnish Dubey, Debanjan Chaudhuri, Jens Lehmann
In: ISWC 2018 Poster and Demos, 2018- download: PDF (404.2 KB)
- formats: BibTeX, RDF
- related info pages: Question Answering
- download:
- "SPIRIT: A Semantic Transparency and Compliance Stack"
Patrick Westphal, Javier Fernandez, Sabrina Kirrane, Jens Lehmann
In: Semantics 2018 Poster and Demos, 2018- download: PDF (228.9 KB)
- formats: BibTeX, RDF
- related info pages: Distributed Analytics
- related weblinks: SANSA Homepage
- download:
- "STATisfy Me: What are my Stats?"
Gezim Sejdiu, Ivan Ermilov, Jens Lehmann, Mohamed Nadjib Mami
In: Proceedings of the 17th International Semantic Web Conference (ISWC), 2018 - Posters & Demos, 2018- download: PDF (168.3 KB)
- formats: BibTeX, RDF
- related info pages: Distributed Analytics
- related weblinks: SANSA Homepage
- download:
- "SQCFramework: Generating SPARQL Query Containment Benchmarks using the SQCFramework"
Muhammad Saleem, Claus Stadler, Qaiser Mehmood, Jens Lehmann, Axel-Cyrille Ngonga Ngomo
In: Proceedings of the 17th International Semantic Web Conference (ISWC), 2018 - Posters & Demos, 2018 - "Profiting from Kitties on Ethereum: Leveraging Blockchain RDF with SANSA"
Damien Graux, Gezim Sejdiu, Hajira Jabeen, Jens Lehmann, Danning Sui, Dominik Muhs, Johannes Pfeffer
In: Proceedings of 14th International Conference on Semantic Systems, 2018- download: PDF (715.9 KB)
- formats: BibTeX, RDF
- related info pages: Distributed Analytics
- related weblinks: SANSA Homepage
- download:
- "The LITMUS Test: Benchmarking RDF and Graph Data Management Systems"
Yashwant Keswani, Harsh Thakkar, Mohnish Dubey, Jens Lehmann, Sören Auer
In: Proceedings of 13th International Conference on Semantic Systems - Poster & Demos, 2017 - "A Vocabulary Independent Generation Framework for DBpedia and beyond"
Ben De Meester, Anastasia Dimou, Dimitris Kontokostas, Ruben Verborgh, Jens Lehmann, Erik Mannens, Sebastian Hellmann
In: Proceedings of 16th International Semantic Web Conference - Poster & Demos, Springer, 2017- download: PDF (328.8 KB)
- formats: BibTeX, RDF
- related info pages: RDF Extraction
- related weblinks: DBpedia Homepage
- download:
- "The Tale of Sansa Spark"
Ivan Ermilov, Jens Lehmann, Gezim Sejdiu, Lorenz Bühmann, Patrick Westphal, Claus Stadler, Simon Bin, Nilesh Chakraborty, Henning Petzka, Muhammad Saleem, Axel-Cyrille Ngonga Ngomo, Hajira Jabeen
In: Proceedings of 16th International Semantic Web Conference, Poster & Demos, Springer, 2017- download: PDF (305.2 KB)
- formats: BibTeX, RDF
- related info pages: Distributed Analytics
- related weblinks: SANSA Homepage
- Best Demo Award
- download:
- "Benchmarking RDF Storage Solutions with IGUANA"
Felix Conrads, Jens Lehmann, Muhammad Saleem, Axel-Cyrille Ngonga Ngomo
In: Proceedings of 16th International Semantic Web Conference - Poster & Demos, Springer, 2017 - "RDF Editing on the Web with REX"
Claus Stadler, Natanael Arndt, Michael Martin, Jens Lehmann
2015 - "kOre: Using Linked Data for OpenScience Information Integration"
Ivan Ermilov, Konrad Höffner, Jens Lehmann, Dmitry Mouromtsev
In: SEMANTiCS 2015, 2015 - "GeoKnow Generator Workbench -- An integrated tool supporting the linked data lifecycle for enterprise usage"
Andreas Both, Matthias Wauer, Alejandra Garcia-Rojas, Daniel Hladky, Jens Lehmann
In: Proc. of the 11th Conference on Semantic Systems - Posters and Demos, ACM, 2015- download: PDF (632.3 KB)
- formats: BibTeX, RDF
- related info pages: Spatial Data in the Semantic Web
- related weblinks: GeoKnow homepage
- download:
- "A Test-Driven Framework for Debugging the Web of Data"
Dimitris Kontokostas, Patrick Westphal, Sören Auer, Sebastian Hellmann, Jens Lehmann, Roland Cornelissen
In: Proceedings of the 23rd international conference on World Wide Web, ACM, 2014 - "SPARQL2NL - Verbalizing SPARQL queries"
Axel-Cyrille Ngonga Ngomo, Lorenz Bühmann, Christina Unger, Jens Lehmann, Daniel Gerber
In: Proc. of WWW 2013 Demos, ACM, 2013- download: PDF (713.5 KB)
- formats: BibTeX, RDF
- related info pages: Question Answering
- related weblinks: GeoKnow homepage
- download:
- "SAIM - One Step Closer to Zero-Configuration Link Discovery"
Klaus Lyko, Konrad Höffner, René Speck, Axel-Cyrille Ngonga Ngomo, Jens Lehmann
In: Proc. of the Extended Semantic Web Conference Posters & Demos, Springer, 2013- download: PDF (435.1 KB)
- formats: BibTeX, RDF
- related weblinks: GeoKnow homepage
- download:
- "NIF Combinator: Combining NLP Tool Output"
Sebastian Hellmann, Jens Lehmann, Sören Auer, Marcus Nitzschke
Springer, 2012 - "HANNE - A Holistic Application for Navigational Knowledge Engineering"
Sebastian Hellmann, Jörg Unbehauen, Jens Lehmann
In: Proceedings of ISWC Posters&Demos, 2010- download: PDF (247.6 KB)
- formats: BibTeX, RDF
- related info pages: Concept Learning in Description Logics
- related weblinks: DL-Learner homepage
- download:
- "LinkedGeoData - Collaboratively Created Geo-Information for the Semantic Web"
Sören Auer, Jens Lehmann
2009- download: PDF (244.9 KB)
- formats: BibTeX, RDF
- related info pages: Spatial Data in the Semantic Web
- related weblinks: LinkedGeoData homepage
- download:
- "DBpedia Navigator"
Jens Lehmann, Sebastian Knappe
2008- download: PDF (527.2 KB)
- formats: BibTeX, RDF
- related info pages: Concept Learning in Description Logics, RDF Extraction
- related weblinks: DBpedia Homepage, DL-Learner homepage
- download:
- "OntoWiki - A Tool for Social, Semantic Collaboration"
Sören Auer, Sebastian Tramp (geb. Dietzold), Jens Lehmann, Thomas Riechert
In: Proceedings of the WWW-07 Workshop on Social and Collaborative Construction of Structured Knowledge (CKC), 2007- download: PDF (380 KB)
- formats: BibTeX, RDF
- related weblinks: OntoWiki Homepage
- download:
[ ↑ ]
Book Contributions (12)
- "Managing Geospatial Linked Data in the GeoKnow Project"
Jens Lehmann, Spiros Athanasiou, Andreas Both, Alejandra Garcia-Rojas, Giorgos Giannopoulos, Daniel Hladky, Konrad Höffner, Jon Jay Le Grange, Axel-Cyrille Ngonga Ngomo, Mohamed Sherif
In: The Semantic Web in Earth and Space Science, Studies on the Semantic Web, pages 51-78, IOS Press, 2015- download: PDF (920.9 KB)
- formats: BibTeX, RDF
- related info pages: Spatial Data in the Semantic Web
- related weblinks: GeoKnow homepage
- download:
- "Introduction to Linked Data and Its Lifecycle on the Web"
Axel-Cyrille Ngonga Ngomo, Sören Auer, Jens Lehmann, Amrapali J. Zaveri
In: Reasoning Web, 2014 - "Knowledge Base Creation, Enrichment and Repair"
Sebastian Hellmann, Volha Bryl, Lorenz Bühmann, Milan Dojchinovski, Dimitris Kontokostas, Jens Lehmann, Uroš Miloševic, Petar Petrovski, Vojtech Svatek, Mladen Stanojevic
In: Linked Open Data--Creating Knowledge Out of Interlinked Data, 2014 - "Linked Data Reasoning"
Jens Lehmann, Lorenz Bühmann
In: Management und Bewirtschaftung vernetzter Unternehmensdaten mit Semantic Web-Technologien, Springer, 2014 - "An Introduction to Ontology Learning"
Jens Lehmann, Johanna Völker
In: Jens Lehmann, Johanna Völker (editors), Perspectives on Ontology Learning, pages ix-xvi, AKA Heidelberg, 2014- download: PDF (108.4 KB)
- formats: BibTeX, RDF
- related info pages: Concept Learning in Description Logics
- related weblinks: DL-Learner homepage
- download:
- "Concept Learning"
Jens Lehmann, Nicola Fanizzi, Lorenz Bühmann, Claudia d'Amato
In: Jens Lehmann, Johanna Völker (editors), Perspectives on Ontology Learning, pages 71-91, AKA Heidelberg, 2014- download: PDF (768.5 KB)
- formats: BibTeX, RDF
- related info pages: Concept Learning in Description Logics
- related weblinks: DL-Learner homepage
- download:
- "Logics for the Semantic Web"
Pascal Hitzler, Jens Lehmann, Axel Polleres
In: Logic and Computation, Handbook of the History of Logic, volume 9, Elsevier, 2014 - "Introduction to Linked Data and Its Lifecycle on the Web"
Sören Auer, Jens Lehmann, Axel-Cyrille Ngonga Ngomo, Amrapali J. Zaveri
In: Reasoning Web, 2013 - "The German DBpedia: A Sense Repository for Linking Entities"
Sebastian Hellmann, Claus Stadler, Jens Lehmann
In: Linked Data in Linguistics, Springer, 2012 - "Learning of OWL Class Expressions on Very Large Knowledge Bases and its Applications"
Sebastian Hellmann, Jens Lehmann, Sören Auer
In: Semantic Services, Interoperability and Web Applications: Emerging Concepts, IGI Global, 2011- download: PDF (144.1 KB)
- formats: BibTeX, RDF
- related info pages: Concept Learning in Description Logics
- related weblinks: DL-Learner homepage
- download:
- "Introduction to Linked Data and Its Lifecycle on the Web"
Sören Auer, Jens Lehmann, Axel-Cyrille Ngonga Ngomo
In: Reasoning Web, 2011 - "Semantische Mashups auf Basis Vernetzter Daten"
Sören Auer, Jens Lehmann, Chris Bizer
In: Social Semantic Web, X.media press, volume 2, pages 259-286, Springer, 2009- download: PDF (1.1 MB)
- formats: BibTeX, RDF
- related weblinks: OntoWiki Homepage, DBpedia Homepage, DL-Learner homepage
- download:
[ ↑ ]
Theses (2)
- "Learning OWL Class Expressions"
Jens Lehmann
PhD in Computer Science, University of Leipzig, 2010 - "Concept Learning in Description Logics"
Jens Lehmann
Diploma Thesis in Computer Science, TU Dresden, 2006- download: PDF (577.7 KB), PS (1.5 MB)
- formats: BibTeX, RDF
- related info pages: Concept Learning in Description Logics
- supervisors: Dr. habil. Pascal Hitzler, Prof. Steffen Hölldobler
- download:
[ ↑ ]
Technical Reports (6)
- "The GeoKnow Handbook"
Jens Lehmann, Spiros Athanasiou, Andreas Both, Lorenz Bühmann, Alejandra Garcia-Rojas, Giorgos Giannopoulos, Daniel Hladky, Konrad Höffner, Jon Jay Le Grange, Axel-Cyrille Ngonga Ngomo
2015- download: PDF (7.9 MB)
- formats: BibTeX, RDF
- related info pages: Spatial Data in the Semantic Web
- related weblinks: GeoKnow homepage
- download:
- "Quality Assurance of RDB2RDF Mappings"
Patrick Westphal, Claus Stadler, Jens Lehmann
University of Leipzig, 2014 - "RAVEN -- Towards Zero-Configuration Link Discovery"
Axel-Cyrille Ngonga Ngomo, Jens Lehmann, Sören Auer, Konrad Höffner
University of Leipzig, 2012 - "Ideal Downward Refinement in the EL Description Logic"
Jens Lehmann, Christoph Haase
Universität of Leipzig, 2009- download: PDF (238.9 KB)
- formats: BibTeX, RDF
- related info pages: Concept Learning in Description Logics
- related weblinks: DL-Learner homepage
- download:
- " A Refinement Operator Based Learning Algorithm for the ALC Description Logic"
Jens Lehmann, Pascal Hitzler
Universität Leipzig, 2007- download: PDF (257 KB)
- formats: BibTeX, RDF
- related info pages: Concept Learning in Description Logics
- An extended version including proofs of the ILP 2007 article with the same title.
- download:
- "Foundations of Refinement Operators for Description Logics"
Jens Lehmann, Pascal Hitzler
Universität Leipzig, 2007- download: PDF (233.5 KB)
- formats: BibTeX, RDF
- related info pages: Concept Learning in Description Logics
- A slightly older, but extended version including proofs of the ILP 2007 article with the same name.
- download:
[ ↑ ]
Unpublished Manuscripts (6)
- "Using Multi-Label Classification for Improved Question Answering"
Ricardo Usbeck, Michael Hoffmann, Michael Röder, Jens Lehmann, Axel-Cyrille Ngonga Ngomo
2017- download: PDF (409.4 KB)
- formats: BibTeX, RDF
- related info pages: Question Answering
- download:
- " Extracting Logic Programs from Artificial Neural Networks"
Jens Lehmann
"Großer Beleg", 2005- download: PDF (525.1 KB), PS (933.6 KB)
- formats: BibTeX, RDF
- related info pages: ANN Extraction
- supervisors: Dr. Pascal Hitzler, Dipl. Inf. Sebastian Bader, Prof. Steffen Hölldobler
- download:
- "Semantische Indizierung"
Jens Lehmann
Ausarbeitung zu "Angewandte Systeme der KI", 2005 - "Nachfragende und konzeptbasierte Metainterpreter in Prolog"
Jens Lehmann
Praktikum "Neuronale Netze und fallbasiertes Schließen", 2004- download: PDF (179.8 KB), PS (313.8 KB)
- formats: BibTeX, RDF
- related info pages: Nachfragende Metainterpreter in Prolog
- download:
- "Go and AI"
Jens Lehmann
seminar "Game Playing Computers and Artificial Intelligence", 2004- download: PDF (245.6 KB), PS (391 KB)
- formats: BibTeX, RDF
- related info pages: Computer Go
- download:
- "Das SMV-System"
Jens Lehmann
Proseminar Modale Logik, 2003- download: PDF (144.9 KB), PS (190.1 KB)
- formats: BibTeX, RDF
- related info pages: SMV System and Loyd's Puzzle
- download:
[ ↑ ]
Publications/Documents total: 248
In addition to the above publications, I co-authored more than 20 deliverables (by August 2013), e.g. LOD2 D1.2, D3.1.1, D3.2.2, D3.3.1, D3.3.2, D3.3.3, D3.4.1, D5.1.1.
© 2001 - 2021, Jens Lehmann
