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AIC Seminar Series

Ontology evaluation on the Web

Denny VrandecicInstitute of Applied Informatics and Formal Description Methods at Karlsruhe Institute of Technology[Home Page]

Notice:  Hosted by Vinay Chaudhri (Note unusual timing)

Date:  2010-06-24 at 12:00

Location:  EJ228 (SRI E building)  (Directions)


Ontologies are a pillar of the emerging Semantic Web. They capture background knowledge by providing relevant terms and the formal relations between them, so that they can be used in a machine-processable way, and thus enable automatic aggregation and the proactive use and serendipitous reuse of distributed data sources. Ontologies on the Semantic Web will come from a vast variety of different sources, spanning institutions and persons aiming for different goals and quality criteria. We will present a comprehensive list of quality criteria for web ontologies, and discuss different levels of evaluation. We will introduce the distinction between syntax, structure, and semantics, and show how the different levels of an ontology can be assessed by the tool of ontology normalization, and the advantages of clearly differentiating the various levels.

   Bio for Denny Vrandecic

Denny Vrandečić is research associate at the Institute AIFB at KIT and currently visiting researcher at ISI at USC. He received his PhD with distinction from KIT in 2010, and his Diploma for studying Computer Science and Philosophy at the University of Stuttgart. His research interests include massive web-based collaboration, and ontology evaluation. He is co-developer of Semantic MediaWiki. His contributions to Open Source software have received a number of prizes, (Theseus Idea Competition, award, Semantic Web Challenge finalist, and others), and are widely used in industry and academia. He consulted Metaweb’s service on creating their RDF export. He was the first administrator of the Croatian Wikipedia. He co-organized several workshops at WWW and ISWC, chaired the scientific track of Wikimania 2008, and co- chairs the ESWC2010 Web of Data track. He was or is involved in the EU-funded projects SEKT and ACTIVE, the project Halo funded by Vulcan Inc., Seattle, and the BMBF-funded project SMART that deals with improving water resource management in the lower Jordan valley, partnering, among others, the state of Israel, the Kingdom of Jordan, and the Palestinian Authority.

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