
ERIC Number: EJ101197
Record Type: Journal
Publication Date: 1974
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Design Equations for Retrieval Systems Based on the Swets Model
Heine, M. H.
Journal of the American Society for Information Science, 25, 3, 183-198, May-Jun 74
Swets' theory of information retrieval allows the threads of document weighting formulae, probabilistic measures of effectiveness, and management theory, to be woven into a coherent pattern. Benefits are: the beginnings of a quantitative description of retrieval languages; destinction between retrieval systems and language; and question generality as a pivotal feature. (Author/LS)
Descriptors: Documentation, Information Retrieval, Mathematical Models, Probability, Statistical Analysis
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