Publications/Manuscripts
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
Journal Publications (11)
- "Increasing the Financial Transparency of European Commission Project Funding"
Michael Martin, Claus Stadler, Philipp Frischmuth, Jens Lehmann
Semantic Web Journal, IOS Press, 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, IOS Press, 2013
- "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
- "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
- "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
- "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
- "DL-Learner: Learning Concepts in Description Logics"
Jens Lehmann
Journal of Machine Learning Research, volume 10, pages 2639-2642, JMLR.org, 2009
- "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
- "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
- "Extracting Reduced Logic Programs from Artificial Neural Networks"
Jens Lehmann, Sebastian Bader, Pascal Hitzler
Applied Intelligence, 2008
Conference Publications (32)
- "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), 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), Springer, 2012
- "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), Springer, 2012
- "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), Springer, 2012
- "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), 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, 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), Springer, 2012
- "Linked-Data Aware URI Schemes for Referencing Text Fragments"
Sebastian Hellmann, Jens Lehmann, Sören Auer
In: Proceedings of EKAW 2012, Springer, 2012
- "SPARQL Template-Based Question Answering"
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
- "LODStats - An Extensible Framework for High-performance Dataset Analytics"
Jan Demter, Sören Auer, Michael Martin, Jens Lehmann
In: Proceedings of the EKAW 2012, 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, 2011
- "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), 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, Springer, 2011
- "AutoSPARQL: Let Users Query Your Knowledge Base"
Jens Lehmann, Lorenz Bühmann
In: Proceedings of ESWC 2011, 2011
- "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, Springer, 2010
- "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, 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
- "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
- "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
- "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
- "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
- "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
- "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
"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
- "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
- "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
- "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
Workshop Publications (6)
- "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
- "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, Rolland Brunec
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
"Semantisch unterstuetztes Requirements Engineering"
Thomas Riechert, Kim Lauenroth, Jens Lehmann
In: Proceedings of the SABRE-07 SoftWiki Workshop, 2007
- "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
Poster Publications (2)
Demos (7)
- "SPARQL2NL - Verbalizing SPARQL queries"
Axel-Cyrille Ngonga Ngomo, Lorenz Bühmann, Christina Unger, Jens Lehmann, Daniel Gerber
In: Proc. of WWW 2013 Demos, ACM, 2013
- "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
- "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
- "LinkedGeoData - Collaboratively Created Geo-Information for the Semantic Web"
Sören Auer, Jens Lehmann
2009
- "DBpedia Navigator"
Jens Lehmann, Sebastian Knappe
2008
- "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 Neural-Symbolic Learning and Reasoning (CKC), 2007
Book Contributions (5)
- "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
- "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
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
Technical Reports (3)
Unpublished Manuscripts (5)
- " 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
"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
- "Go and AI"
Jens Lehmann
seminar "Game Playing Computers and Artificial Intelligence", 2004
"Das SMV-System"
Jens Lehmann
Proseminar Modale Logik, 2003
Publications/Documents total: 74