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ERIC Number: EJ428892
Record Type: Journal
Publication Date: 1991
Pages: N/A
Abstractor: N/A
Reference Count: N/A
ISSN: ISSN-0002-8231
The Limitations of Term Co-Occurrence Data for Query Expansion in Document Retrieval Systems.
Peat, Helen J.; Willett, Peter
Journal of the American Society for Information Science, v42 n5 p378-83 Jun 1991
Identifies limitations in the use of term co-occurrence data as a basis for automatic query expansion in natural language document retrieval systems. The use of similarity coefficients to calculate the degree of similarity between pairs of terms is explained, and frequency and discriminatory characteristics for nearest neighbors of query terms are discussed. (24 references) (LRW)
Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A