Sebastian Hellmann
Dr. Sebastian Hellmann Augustusplatz 10, Zimmer P905 04109 Leipzig
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Topic of my thesis (Feedback welcome, mail me)
- NLP2RDF is a framework for integrating NLP tools with the aim of producing RDF, which is also the topic of my thesis
- The Semantic Gap of Formalized Meaning Synopsis ESWC Ph D Symposium
- Vortrag zur Vorstellung meiner Diss (auf Deutsch)
- Slides ESWC PhD Symposium
Research Interests
- extraction / reuse of knowledge
- database2owl conversion
- automatic training set composition for machine learning
- ontology modularization
- scalability in the Web of Data
- light-weight ontology engineering methods
Projects
Publications
Current Unpublished Working Drafts
- Sebastian Hellmann, Jörg Unbehauen, Christian Chiarcos, Axel Ngonga The TIGER Corpus Navigator
2010
- Sebastian Hellmann The Semantic Gap of Formalized Meaning In Proceedings of 7th Extended Semantic Web Conference (ESWC 2010). PhD Symposium.
2009
- Sebastian Hellmann, Claus Stadler, Jens Lehmann, Sören Auer: DBpedia Live Extraction. On the Move to Meaningful Internet Systems: OTM 2009, volume 5871, Springer, 1209–1223, Eds: Meersman, Robert, Dillon, Tharam, and Herrero, Pilar, 2009.
- Sören Auer, Jens Lehmann, Sebastian Hellmann: LinkedGeoData – Adding a Spatial Dimension to the Web of Data. In Proceedings of 8th International Semantic Web Conference (ISWC 2009).
- Jens Lehmann, Chris Bizer, Georgi Kobilarov, Sören Auer, Christian Becker, Richard Cyganiak, Sebastian Hellmann: DBpedia – A Crystallization Point for the Web of Data, Journal of Web Semantics, 2009
- Sören Auer, Sebastian Dietzold, Jens Lehmann, Sebastian Hellmann, David Aumueller: Triplify – Lightweight Linked Data Publication from Relational Databases, In: Proceedings of the World Wide Web Conference (WWW 2009), April 20–24, 2009, Madrid, Spain; ACM 978–1-60558–487-4/09/04, pp. 621–630, 2009
- Sebastian Hellmann, Jens Lehmann, Sören Auer: Learning of OWL Class Descriptions on Very Large Knowledge Bases. In: International Journal on Semantic Web & Information Systems, Special Issue on Scalability, Vol. 5, Issue 2, Pages 1–24, 2009.
- Philip Heim, Sebastian Hellmann, Jens Lehmann, Steffen Lohmann, Timo Stegemann(to appear) Rel Finder: Revealing Connections in RDF Knowledge Bases Proceedings of 4th International Conference on Semantic and Digital Media Technologies Springer
- Matthias Quasthoff, Sebastian Hellmann, Konrad Höffner Standardized Multilingual Language Resources for the Web of Data: http://corpora.uni-leipzig.de/rdf, 3rd prize at the LOD Triplification Challenge, Graz, 2009.
- Satya S. Sahoo, Wolfgang Halb, Sebastian Hellmann, Kingsley Uyi Idehen, Ted Thibodeau Jr., Sören Auer, Juan Sequeda, and Ahmed Ezzat A survey of current approaches for mapping of relational databases to RDF. Technical report, W3C, 2009.
2008
- Jörg Unbehauen, Michael Martin, Sebastian Hellmann, Sebastian Dietzold, Sören Auer xOperator – Chat with the Semantic Web, Challenge @ International Semantic Web Conference (ISWC) 2008 (Challenge Finalist), Poster
- Sebastian Hellmann, Jens Lehmann, Sören Auer: Poster: Learning of OWL Class Descriptions on Very Large Knowledge Bases, 7th International Semantic Web Conference (ISWC), 2008
- Sebastian Dietzold, Sebastian Hellmann and Martin Peklo: Using JavaScript RDFa Widgets for Model/View Separation inside Read/Write Websites. In: Proceedings of the 4th Workshop on Scripting for the Semantic Web,2008
- Sebastian Hellmann: Diploma Thesis: Comparison of Concept Learning Algorithms With Emphasis on Ontology Engineering for the Semantic Web (2008).
Slides
Community service
I have been reviewing for:
- Composable Web 2010
- Elsevier (JSPE)
- KEOD 2009
- ESWC 2009 and 2010
- ISCS 2009
- DEXA 2009
- I-SEMANTICS 08
PC Member:
- ESWC 2010 (in-use Track)
Seminars
Supervision of final theses
Um nicht bei jeder Betreuung von NULL anzufangen, sammle ich häufig empfohlene Links und Dateien auf Sebastian Dietzolds Betreuerseite.
Work in progress
- Collette Hagert: Database to OWL Converter (Diploma Thesis)
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