Library and Information Science

Library and Information Science ISSN: 2435-8495
三田図書館・情報学会 Mita Society for Library and Information Science
〒108‒8345 東京都港区三田2‒15‒45 慶應義塾大学文学部図書館・情報学専攻内 c/o Keio University, 2-15-45 Mita, Minato-ku, Tokyo 108-8345, Japan
https://mslis.jp/ E-mail:mita-slis@ml.keio.jp
Library and Information Science 9: 309-328 (1971)
doi:10.46895/lis.9.309

原著論文Original Article

ランカスターのメドラース実績評価を通してみたメドラースの検索法および索引語MEDLARS searching and index language, as observed through Lancaster's evaluation of the operating efficiency of MEDLARS

慶応義塾大学医学情報センターMedical Library and Information Center, Keio University ◇ 〒160-8582 東京都新宿区信濃町35 ◇ 35 Shinanomachi, Shinjuku-ku, Tokyo 160-8582, Japan

発行日:1971年9月1日Published: September 1, 1971
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In her previous article, the writer discussed MEDLARS indexing policies and practices as reflected in the evaluation project conducted by F. W. Lancaster and his group at the National Library of Medicine of the United States. The present paper is concerned primarily with the MEDLARS searching, another intellectual factors which significantly affect the performance of an information retrieval system. Searching for the MEDLARS demand search services largely depends upon intellectual efforts of human searchers; analysis of search requests, translation of the contents into the appropriate terms of the system’s controlled vocabulary, and preparation of search formulations in pertinent logical equation are all practised by a group of searchers. With her own experience in MEDLARS searching at the National Library of Medicine, the writer discusses MEDLARS searching as seen through the eyes of Lancaster in his evaluation project. An observation is also given of the MEDLARS index language, Medical Subject Headings, since it seems meaningless to discuss of indexing and searching without the vocabulary on which the entire system is based.

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