A Query Performance Analysis for Result Diversification

نویسندگان

  • Jiyin He
  • Marc Bron
  • Maarten de Rijke
چکیده

Which queries stand to gain or loose from diversifying their results? Some queries are more difficult than others for diversification. Across a number of conceptually different diversification methods, performance on such queries tends to deteriorate after applying these diversification methods, even though their initial performance in terms of relevance or diversity tends to be good.

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تاریخ انتشار 2011