Prof. Dr. Jens Lehmann

Ontology Maintenance

Maintaining knowledge bases in the Semantic Web is a challenging task. We are working on several methods to simplify it by using inference and machine learning techniques.

Journal Publications

• "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
  
  

Conference Publications

• "ACRyLIQ: Leveraging DBpedia for Adaptive Crowdsourcing in Linked Data Quality Assessment"
  Umair Ul Hassan, Edward Curry, Amrapali J. Zaveri, Edgard Marx, Jens Lehmann
  In: 20th International Conference on Knowledge Engineering and Knowledge Management (EKAW), November 19-23, 2016, Bologna, Italy, Lecture Notes in Computer Science, Springer, 2016
  
  • download: PDF (556.4 KB)
  • formats: BibTeX, RDF
  • related info pages: Ontology Maintenance
  
  
• "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), Lecture Notes in Computer Science, volume 7774, pages 332-337, 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
  
  
• "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), Lecture Notes in Computer Science, volume 7603, pages 57-71, 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
  
  
• "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 6497, pages 177-193, 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
  
  

Theses

• "Spielbasierte Verifikation von Links im Semantic Web"
  Quan Nguyen
  University of Leipzig, 2012
  
  • download: PDF (1.1 MB)
  • formats: BibTeX, RDF
  • related info pages: Ontology Maintenance
  • related weblinks: LATC
  
  
• "Reparatur und Erweiterung von OWL Ontologien"
  Lorenz Bühmann
  University of Leipzig, 2010
  
  • download: PDF (1.1 MB)
  • formats: BibTeX, RDF
  • related info pages: Ontology Maintenance
  • related weblinks: ORE homepage
  
  

Presentations

• "The Linked Data Life-Cycle"
  Jens Lehmann, Lorenz Bühmann
  Invited Lecture Series at the ICCL Summer School 2013, 2013
  
  • download: not available
  • related info pages: Concept Learning in Description Logics, RDF Extraction, Ontology Maintenance
  • related weblinks: LOD2, GeoKnow homepage
  
  
• "Managing the Life-Cycle of Large Scale Web Datasets"
  Jens Lehmann, Sören Auer, Claus Stadler
  Keynote talk at the Joint Workshop on Knowledge Evolution and Ontology Dynamics at ISWC 2012, 2012
  
  • download: not available
  • related info pages: RDF Extraction, Ontology Maintenance
  • related weblinks: DBpedia Homepage, LinkedGeoData homepage, ISWC 2012
  
  
• "Ontology Semantics, Repair and Enrichment"
  Jens Lehmann, Lorenz Bühmann
  Lecture at the Indian Summer School on Linked Data (ISSLOD), University of Leipzig, 2011
  
  • download: PDF (3.2 MB)
  • related info pages: Concept Learning in Description Logics, Ontology Maintenance
  • related weblinks: DL-Learner homepage, LOD2
  
  
• "ORE - Ontology Repair and Enrichment"
  Jens Lehmann, Lorenz Bühmann
  9th International Semantic Web Conference, 2010
  
  • download: not available
  • related info pages: Ontology Maintenance
  • related weblinks: ORE homepage, ISWC 2010