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Relevance Feedback

  • Relevance feedback: user feedback on relevance of docs in initial set of results

    • User issues a (short, simple) query

    • The user marks some results as relevant or non-relevant.

    • The system computes a better representation of the information need based on feedback.

    • Relevance feedback can go through one or more iterations.

  • Idea: it may be difficult to formulate a good query when you don’t know the collection well, so iterate


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