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'''Key: Increases ["Recall"] '''Key:

   * Increases ["Recall"]'''
   * Not necessary for many queries and are generally of marginal use.

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Key:

  • Increases ["Recall"]

  • Not necessary for many queries and are generally of marginal use.

Using information about the relevance of results from previous searches to modify current queries is a form of RelevanceFeedback.

Types?

  • Reweighting without Query expansion - This is where we reweight the terms
  • Query expansion without reweightng - Ideally, query expansion should be done using a thesaurus that adds sysnonyms.
  • Query expansion with reweighting

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RelevanceFeedback (last edited 2004-04-08 22:47:55 by yakko)