Distinguishing Between Instances and Classes in the Wikipedia Taxonomy

author: Cäcilia Zirn, EML Research GmbH
published: Aug. 16, 2008,   recorded: June 2008,   views: 11628


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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, this distinction has been made in WordNet and Cyc based 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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