Ranking very many typed entities on wikipedia

  • Authors:
  • Hugo Zaragoza;Henning Rode;Peter Mika;Jordi Atserias;Massimiliano Ciaramita;Giuseppe Attardi

  • Affiliations:
  • Yahoo! Research, Barcelona, Spain;University of Twente, Twente, Netherlands;Yahoo! Research, Barcelona, Spain;Yahoo! Research, Barcelona, Spain;Yahoo! Research, Barcelona, Spain;Università di Pisa, Pisa, Italy

  • Venue:
  • Proceedings of the sixteenth ACM conference on Conference on information and knowledge management
  • Year:
  • 2007

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Abstract

We discuss the problem of ranking very many entities of different types. In particular we deal with a heterogeneous set of types, some being very generic and some very specific. We discuss two approaches for this problem: i) exploiting the entity containment graph and ii) using a Web search engine to compute entity relevance. We evaluate these approaches on the real task of ranking Wikipedia entities typed with a state-of-the-art named-entity tagger. Results show that both approaches can greatly increase the performance of methods based only on passage retrieval.