Entity Ranking Based on Category Expansion

Authors:
Janne Jämsen;Turkka Näppilä;Paavo Arvola
Affiliations:
Department of Computer Sciences, University of Tampere, Finland FI-33014;Department of Computer Sciences, University of Tampere, Finland FI-33014;Department of Information Studies, University of Tampere, Finland FI-33014
Venue:
Focused Access to XML Documents
Year:
2008

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Abstract

This paper introduces category and link expansion strategies for the XML Entity Ranking track at INEX 2007. Category expansion is a coefficient propagation method for the Wikipedia category hierarchy based on given categories or categories derived from sample entities. Link expansion utilizes links between Wikipedia articles. The strategies are evaluated within the entity ranking and list completion tasks.