Jens Lehmann

Publications/Manuscripts

• Books
• Journal Publications
• Conference Publications
• Workshop Publications
• Poster Publications
• Demos
• Book Contributions
• Theses
• Technical Reports
• Unpublished Manuscripts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
  
  • formats: BibTeX, RDF
  • related info pages: Concept Learning in Description Logics
  • related weblinks: DL-Learner homepage
  
  

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
  
  • formats: BibTeX, RDF
  • related info pages: RDF Extraction
  
  
• "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
  
  • formats: BibTeX, RDF
  • related info pages: RDF Extraction
  
  
• "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
  
  
• "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
  
  
• "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
  
  
• "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
  
  • download: PDF (197.4 KB)
  • formats: BibTeX, RDF
  
  
• "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
  
  
• "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
  
  
• "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)
  
  
• "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
  
  
• "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
  
  

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
  
  • download: PDF (363.6 KB)
  • formats: BibTeX, RDF
  
  
• "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
  
  • download: PDF (416.6 KB)
  • formats: BibTeX, RDF
  
  
• "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
  
  • download: PDF (713 KB)
  • formats: BibTeX, RDF
  
  
• "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
  
  • download: PDF (1.2 MB)
  • formats: BibTeX, RDF
  
  
• "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
  
  • download: PDF (1.2 MB)
  • formats: BibTeX, RDF
  • related info pages: Concept Learning in Description Logics
  • related weblinks: DL-Learner homepage
  
  
• "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
  
  • download: PDF (391.1 KB)
  • formats: BibTeX, RDF
  • related info pages: Concept Learning in Description Logics, Ontology Maintenance
  • related weblinks: DL-Learner homepage
  
  
• "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
  
  • download: PDF (616.2 KB)
  • formats: BibTeX, RDF
  • related weblinks: LOD2
  
  
• "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
  
  • download: PDF (1.1 MB)
  • formats: BibTeX, RDF
  
  
• "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
  
  • download: PDF (507.2 KB)
  • formats: BibTeX, RDF
  • related info pages: Concept Learning in Description Logics, Ontology Maintenance
  • related weblinks: DL-Learner homepage
  
  
• "Linked-Data Aware URI Schemes for Referencing Text Fragments"
  Sebastian Hellmann, Jens Lehmann, Sören Auer
  In: Proceedings of EKAW 2012, Springer, 2012
  
  • download: PDF (398.4 KB)
  • formats: BibTeX, RDF
  
  
• "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
  
  • download: PDF (753.2 KB)
  • formats: BibTeX, RDF
  
  
• "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
  
  • download: PDF (255.8 KB)
  • formats: BibTeX, RDF
  
  
• "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
  
  • download: PDF (654.9 KB)
  • formats: BibTeX, RDF
  • related info pages: Concept Learning in Description Logics
  • related weblinks: DL-Learner homepage
  
  
• "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
  
  • download: PDF (1.8 MB)
  • formats: BibTeX, RDF
  
  
• "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
  
  • download: PDF (511 KB)
  • formats: BibTeX, RDF
  • related weblinks: DBpedia Homepage
  • Best Paper Award
  
  
• "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
  • related weblinks: DBpedia Homepage, DL-Learner homepage
  
  
• "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
  
  • 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
  
  
• "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
  
  • download: PDF (481 KB)
  • formats: BibTeX, RDF
  
  
• "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
  
  
• "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
  
  
• "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
  
  • download: PDF (714.5 KB)
  • formats: BibTeX, RDF
  
  
• "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
  
  
• "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
  
  
• "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
  
  • download: PDF (345.9 KB)
  • formats: BibTeX, RDF
  
  
• "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
  
  
• "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)
  
  
• "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)
  
  
• "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
  
  • download: PDF (305.2 KB)
  • formats: BibTeX, RDF
  
  
• "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
  
  
• "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
  
  
• "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
  
  
• "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
  
  

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
  
  • download: PDF (180.3 KB)
  • formats: BibTeX, RDF
  • related weblinks: GeoKnow homepage
  
  
• "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
  
  • formats: BibTeX, RDF
  
  
• "RAVEN - Active Learning of Link Specifications"
  Axel-Cyrille Ngonga Ngomo, Jens Lehmann, Sören Auer, Rolland Brunec
  In: Proceedings of the Ontology Matching Workshop, 2011
  
  • download: PDF (437.5 KB)
  • formats: BibTeX, RDF
  
  
• "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
  
  
• "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"
  
  
• "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
  
  

Poster Publications (2)

• "Linked Data Quality Assessment through Network Analysis"
  Christophe Guéret, Paul Groth, Claus Stadler, Jens Lehmann
  At: ISWC 2011 Posters and Demos, 2011
  
  • download: PDF (381 KB)
  • formats: BibTeX, RDF
  • related weblinks: LATC
  
  
• "Learning of OWL Class Descriptions on Very Large Knowledge Bases"
  Sebastian Hellmann, Jens Lehmann, Sören Auer
  At: 7th International Semantic Web Conference (ISWC), 2008
  
  • download: PDF (270.8 KB)
  • formats: BibTeX, RDF
  
  

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
  
  • download: PDF (713.5 KB)
  • formats: BibTeX, RDF
  • related weblinks: GeoKnow homepage
  
  
• "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
  
  
• "NIF Combinator: Combining NLP Tool Output"
  Sebastian Hellmann, Jens Lehmann, Sören Auer, Marcus Nitzschke
  Springer, 2012
  
  • download: PDF (256.6 KB)
  • formats: BibTeX, RDF
  
  
• "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
  
  
• "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
  
  
• "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
  
  
• "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
  
  • download: PDF (380 KB)
  • formats: BibTeX, RDF
  • related weblinks: OntoWiki Homepage
  
  

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
  
  • formats: BibTeX, RDF
  • related weblinks: LOD2
  
  
• "The German DBpedia: A Sense Repository for Linking Entities"
  Sebastian Hellmann, Claus Stadler, Jens Lehmann
  In: Linked Data in Linguistics, Springer, 2012
  
  • download: PDF (1.3 MB)
  • formats: BibTeX, RDF
  
  
• "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
  
  
• "Introduction to Linked Data and Its Lifecycle on the Web"
  Sören Auer, Jens Lehmann, Axel-Cyrille Ngonga Ngomo
  In: Reasoning Web, 2011
  
  • formats: BibTeX, RDF
  • related weblinks: LOD2
  
  
• "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
  
  

Theses (2)

• "Learning OWL Class Expressions"
  Jens Lehmann
  PhD in Computer Science, University of Leipzig, 2010
  
  • download: PDF (4.8 MB)
  • formats: BibTeX, RDF
  
  
• "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
  
  

Technical Reports (3)

• "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
  
  
• " 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.
  
  
• "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.
  
  

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
  
  • formats: BibTeX, RDF
  • related info pages: Semantische Indizierung
  
  
• "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
  
  
• "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
  
  
• "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
  
  

Publications/Documents total: 74

© 2001 - 2013, Jens Lehmann