Case study : a comparative study of four databases ; Ringdoc (UDB). Biosis. Medline and EM for the search of Drug-Interaction

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  • 医薬品相互作用の検索結果の比較 : Ringdoc,Biosis,EM,Medlineを用いて
  • イヤクヒン ソウゴ サヨウ ノ ケンサク ケッカ ノ ヒカク Ringdoc

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I retrieved the documents referred to drug-interaction of Cimetidine, published in 1985, using Ringdoc (UDB), Biosis, Medline and EM, and compared the results. When a certain document, retrieved from one database was not hit from other databases despite of being recorded, the means of indexing of these documents in two or more databases were compared for more comprehensive search. The number of documents retrieved from Ringdoc, Biosis, EM72, EM73 and Medline was 50, 49, 12, 55 and 23 respectively, and the number of appropriate documents was 49, 44, 4, 31 and 22 respectively. Totally 100 documents was retrieved from four databases (EM72 + EM73 = EM database).There was no document overlapped in three databases ; Ringdoc, EM and Medline. Biosis was found the best database next to Ringdoc for the search of drug interaction. About 20 percents of the documents retrieved from Biosis was not yet recorded in Ringdoc. Also in view of the time -lag, we can say Biosis is excellent database. But as to the indexing of this file, the number of discriptors related to drug-name was significantly small, compared with other databases. When comprehensive retrieval was required in Biosis search, the selection of keywords to substitute the drug-name should be studied. Medline database was not found suitable for the search of drug-informations, compared with other databases, but the time -lag of it was significantly shortened rather than years before, and many documents which were not recorded in it. The time-lag of EM database is too delayed and only few documents were recorded and retrieved from EM72 file. From EM73 file, considerable number of documents were retrieved and many unique documents were hit in it, but there were many documents which couldn't retrieve from it, though they were recorded. In consideration of the incomplete indexing of EM73 file, we should use the free-words in addition to descriptor-words for the search, but the free words use caused noises. We can retrieve the documents referred to interaction of a certain drug by using the key-word of drug-name LINKed with the Role "DI" in Ringdoc. Not only the Role DI but also "RC" should be used for the comprehensive search. It became obvious that the time-lag of Ringdoc wasn't yet improved.

Journal

  • Dokumenteshon kenkyu

    Dokumenteshon kenkyu 36 (4), 173-181, 1986

    Information Science and Technology Association, Japan

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