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• Unpublished Manuscripts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 (8)

• "LinkedGeoData: A Core for a Web of Spatial Open Data"
  Claus Stadler, Jens Lehmann, Konrad Höffner, Sören Auer
  Semantic Web Journal, 2011
  
  • 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, 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, 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, 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, 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 (20)

• "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, , volume , pages , 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, volume , pages , 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, volume , pages , 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), 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, shared with the paper below)
  
  
• "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, shared with the paper above)
  
  
• "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 (4)

• "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 (1)

• "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 (4)

• "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 (3)

• "Learning of OWL Class Expressions on Very Large Knowledge Bases and its Applications"
  Sebastian Hellmann, Jens Lehmann, Sören Auer
  In: , (editors), Semantic Services, Interoperability and Web Applications: Emerging Concepts, , volume , pages , 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: 51

© 2001 - 2012, Jens Lehmann