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Excite Relevance Feedback

  • Spink et al. 2000

  • Only about 4% of query sessions from a user used relevance feedback option

    • Expressed as “More like this” link next to each result

  • But about 70% of users only looked at first page of results and didn’t pursue things further

    • So 4% is about 1/8 of people extending search

  • Relevance feedback improved results about 2/3 of the time

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