Prof. Dr. Jens Lehmann
Full Professor
Computer Science Institute, University of Bonn
Lead Scientist for Knowledge Graphs and Conversational AI at Fraunhofer IAIS
Coordination of the Dresden Lab of Fraunhofer IAIS
Member of Institute for Applied Informatics (InfAI) in Dresden & Leipzig
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Offices
Uni Bonn
Room 1.022
Endenicher Allee 19a, 53115 Bonn, Germany
University of Bonn, Computer Science
Tel: +49 228 73-4315
Fraunhofer IAIS
Room 4.33.6
Zwickauer Straße 46, 01069 Dresden, Germany
Fraunhofer IAIS
Tel: +49 351 854 77 950
InfAI
Jens Lehmann c/o Nadine Jochimsen
Institut für Angewandte Informatik (InfAI)
Goerdelerring 9
04109 Leipzig
Top Publications
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.
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.
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).
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.
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).
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).
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).
DL-Learner: Learning Concepts in Description Logics Journal Article
In: J. Mach. Learn. Res., 10 , pp. 2639–2642, 2009.
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).
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).
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