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Retrieval Testing with Hypergeometric Document Models.
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Wilbur, W. John – Journal of the American Society for Information Science, 1993
Presents a method of modeling the relevance relationship in information retrieval to answer the question of the theoretical limits of certain statistical methods. Hypergeometric probability distribution is used to construct an abstract model of a database of MEDLINE records, and results of tests of vector retrieval methods are reported. (28…
Descriptors: Automatic Indexing, Bayesian Statistics, Bibliographic Databases, Expert Systems