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Distinguishing between Instances and Classes in the Wikipedia Taxonomy

by: Caecilia Zirn, Vivi Nastase, and Michael Strube
In: Proceedings of the 5th European Semantic Web Conference Berlin, Heidelberg: Springer Verlag (June 2008) .
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Abstract

This paper presents an automatic method for differentiating between instances and classes in a large scale taxonomy induced from the Wikipedia category network. The method exploits characteristics of the category names and the structure of the network. The approach we present is the first attempt to make this distinction automatically in a large scale resource. In contrast, WordNet and Cyc rely on manual annotations. The result of the process is evaluated against ResearchCyc. On the subnetwork shared by our taxonomy and ResearchCyc we report 84.52% accuracy.

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