Abstract
The existing practice in automatic indexing is reviewed, and it is shown that the standard theories for the specification of term values (or weights) are not adequate. New techniques are introduced for the assignment of weights to index terms, based on the characteristics of individual document collections. The effectiveness of some of the proposed methods is evaluated.
Subject
Library and Information Sciences,Information Systems
Reference6 articles.
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3. SALTON, G. Experiments in automatic thesaurus construction for information retrieval. Information processing 71, Amsterdam, North-Holland, 1972, pp.115-123.
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