Ranking categories for web search

  • Authors:
  • Gianluca Demartini;Paul-Alexandru Chirita;Ingo Brunkhorst;Wolfgang Nejdl

  • Affiliations:
  • L3S Research Center, Leibniz Universität Hannover, Hannover, Germany;Adobe Systems Incorporated, Bucharest, Romania;L3S Research Center, Leibniz Universität Hannover, Hannover, Germany;L3S Research Center, Leibniz Universität Hannover, Hannover, Germany

  • Venue:
  • ECIR'08 Proceedings of the IR research, 30th European conference on Advances in information retrieval
  • Year:
  • 2008

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Abstract

In the context of Web Search, clustering based engines are emerging as an alternative for the classical ones. In this paper we analyse different possible ranking algorithms for ordering clusters of documents within a search result. More specifically, we investigate approaches based on document rankings, on the similarities between the user query and the search results, on the quality of the produced clusters, as well as some document independent approaches. Even though we use a topic based hierarchy for categorizing the URLs, our metrics can be applied to other clusters as well. An empirical analysis with a group of 20 subjects showed that the average similarity between the user query and the documents within each category yields the best cluster ranking.