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Ontology repositories and content evaluation

Published: 2007 Juni
Type: Knowledge Web Deliverable
Nummer: 1.2.10v2Der Datenwert „.2.10v2“ kann einem Attribut des Datentyps Zahl nicht zugeordnet werden sondern bspw. der Datenwert „1“.
Institution: Universität Karlsruhe (TH), Universidad Politecnica di Madrid


In this deliverable we present results obtained from the work described in the first version of this deliverable (D1.2.10) about ontology repositories. In particular, we provide an overview of the sustainability of the Ontology Metadata Vocabulary (OMV), the proposal of a hierarchy for the classification of ontology domains and evaluation results for the distributed ontology metadata repository (Oyster). Furthermore, we discuss the flow of knowledge between Oyster and the ontology metadata portal Onthology that rely on the content evaluation metrics described at the end of the deliverable. Therefore, the second part of the deliverable discusses how to properly define metrics for ontologies, and introduce the notions of ontology normalization for measuring, and of stable metrics. This will help to properly define better ontology metrics in subsequent research in this area. The normalization has been implemented in a prototype as part of the KAON2 OWL Tools (source code available for download at Parts of this work have been already accepted for publication at the European Semantic Web Conference (ESWC2007)

Download: Media:2007_1578_Vrandecic_Ontology_reposi_1.pdf




Ontologiemanagement, Ontologiebasierte Wissensmanagementsysteme