An Algorithm for the Calculation of Exact Term Discrimination Values.

Willett, Peter

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Peer reviewed

ERIC Number: EJ324086

Record Type: Journal

Publication Date: 1985

Pages: N/A

Abstractor: N/A

ISBN: N/A

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EISSN: N/A

An Algorithm for the Calculation of Exact Term Discrimination Values.

Willett, Peter

Information Processing and Management, v21 n3 p225-32 1985

Reports algorithm for calculation of term discrimination values that is sufficiently fast in operation to permit use of exact values. Evidence is presented to show that relationship between term discrimination and term frequency is crucially dependent upon type of inter-document similarity measure used for calculation of discrimination values. (13 references) (EJS)

Descriptors: Algorithms, Graphs, Information Retrieval, Information Systems, Models, Online Searching, Online Systems, Search Strategies, Statistical Distributions, Subject Index Terms, Word Frequency

Publication Type: Journal Articles; Reports - Research

Education Level: N/A

Audience: Researchers

Language: English

Sponsor: N/A

Authoring Institution: N/A

Grant or Contract Numbers: N/A