IdentityRank: Named Entity Disambiguation in the Context of the NEWS Project

Authors:
Norberto Fernández;José M. Blázquez;Luis Sánchez;Ansgar Bernardi
Affiliations:
Carlos III University of Madrid, Leganés, Madrid, Spain;Carlos III University of Madrid, Leganés, Madrid, Spain;Carlos III University of Madrid, Leganés, Madrid, Spain;German Research Center for Artificial Intelligence, DFKI GmbH, Kaiserslautern, Germany
Venue:
ESWC '07 Proceedings of the 4th European conference on The Semantic Web: Research and Applications
Year:
2007

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Abstract

In this paper we introduce the IdentityRank algorithm, developed as part of the EU-funded project NEWS to address the problem of named entity disambiguation in the context of semantic annotation of news items. The algorithm provides a ranking of the candidate instances within an ontology which can be associated to a certain entity. In order to do so, it uses as context the metadata available in a certain news item. The algorithm has been evaluated with promising results.