A Statistical Interpretation of Term Specificity and its Application in Retrieval.

Sparck Jones, Karen

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Peer reviewed

ERIC Number: EJ056432

Record Type: CIJE

Publication Date: 1972

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A Statistical Interpretation of Term Specificity and its Application in Retrieval

Sparck Jones, Karen

Journal of Documentation, 28, 1, 11-21, Mar 72

The effects on retrieval of variations in term specificity are examined. Experiments with three test collections showed in particular that frequently-occurring terms are required for good overall performance. (10 references) (Author/NH)

Descriptors: Information Retrieval, Search Strategies, Statistical Analysis, Subject Index Terms

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