Automatic Classification of Queries by Expected Retrieval Performance

  title={Automatic Classification of Queries by Expected Retrieval Performance},
  author={Jens Grivolla},
This paper presents a method for automatically predicting a degree of average relevance of a retrieved document set returned by a retrieval system in response to a query. For a given retrieval system and document collection, prediction is conceived as query classification. Two classes of queries have been defined: easy and hard. The split point between those two classes is the median value of the average precision over the query collection. This paper proposes several classifiers that select… CONTINUE READING
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