Jens Lehmann

Principal Scientist
Amazon Alexa AI

Principal Investigator ScaDS.AI, TU Dresden

Member of Institute for Applied Informatics, Dresden / Leipzig

Profiles: LinkedIn, Google Scholar, DBLP, Web-ID

Office

Amazon Office: Großenhainer Str. 5a, 01097 Dresden
InfAI: Schnorrstraße 70, 01069 Dresden

Short CV


Jens Lehmann (http://www.jens-lehmann.org) works full time as a principal scientist at Amazon Alexa AI. He also leads the „Smart Data Analytics“ research group with his affiliated senior researchers at InfAI and TU Dresden as well as his PhD students. Previously, he was a lead scientist for Conversational AI and Knowledge Graphs at Fraunhofer IAIS and a full professor (W3) at the University of Bonn. His research interests involve Semantic Web, machine learning, question answering & dialogue systems, distributed computing and knowledge representation. Please see his website for more details.

Research Interests


  • Machine Learning
  • Semantic Web & Knowledge Graphs
  • Conversational AI

Publications


320 entries « 7 of 7 »

2009

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.

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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., vol. 401, no. 2, pp. 25–48, 2009.

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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.

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Lehmann, Jens

DL-Learner: Learning Concepts in Description Logics Journal Article

In: J. Mach. Learn. Res., vol. 10, pp. 2639–2642, 2009.

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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., vol. 7, no. 3, pp. 154–165, 2009.

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Lehmann, Jens; Haase, Christoph

Ideal Downward Refinement in the EL Description Logic Technical Report

University of Leipzig 2009.

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Lehmann, Jens; Haase, Christoph

Ideal Downward Refinement in the textbackslashemphEL 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.

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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, ISBN: 978-3-540-72215-1.

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2008

Lehmann, Jens; Knappe, Sebastian

DBpedia Navigator Inproceedings

In: ISWC Semantic Challenge Proceedings, 2008, (Semantic Web Challenge, International Semantic Web Conference 2008).

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2007

Lehmann, Jens; Hitzler, Pascal

A Refinement Operator Based Learning Algorithm for the ALC Description Logic Technical Report

University of Leipzig 2007, (Best Student Paper Award).

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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.

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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.

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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.

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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.

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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.

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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.

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Riechert, Thomas; Lauenroth, Kim; Lehmann, Jens; Auer, Sören

Towards Semantic based Requirements Engineering Inproceedings

In: Proceedings of the 7th International Conference on Knowledge Management (I-KNOW), 2007.

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Riechert, Thomas; Lauenroth, Kim; Lehmann, Jens

Semantisch unterstütztes Requirements Engineering Inproceedings

In: Proceedings of the SABRE-07 SoftWiki Workshop, 2007.

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Lehmann, Jens; Hitzler, Pascal

A Refinement Operator Based Learning Algorithm for the textbackslashemphALC 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.

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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.

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320 entries « 7 of 7 »