Evaluation of the MEDLARS demand search service

Evaluation of the MEDLARS demand search service

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component = 4/4, or 100%), while seven of the eight articles found by manual search, and judged relevant by the requester, were retrieved (recall ratio for this component = 7/8, or 87.5%). Note that these two components of the recall base areanbsp;...


Title:Evaluation of the MEDLARS demand search service
Author:Frederick Wilfrid Lancaster, National Library of Medicine (U.S.)
Publisher: - 1968
ISBN-13:

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