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Searching the chemical literature via three on‐line vendors: A comparison

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  • Johanna C. Ross

Abstract

Nine chemistry searches were statistically selected to be run on three commercial data‐base vendor files: SDC, BRS, and LRS. Each vendor has the CACon file, but software used for access and the method of loading the files differ. Only LRS has CASIA, the controlled vocabulary portion of the CA machine‐readable file. Performance was not markedly different for general‐subject searches, but costs varied. When the chemical registry number was used in the CASIA file for specific chemical compound searches, more relevant citations were retrieved, but at increased cost and with lower precision.

Suggested Citation

  • Johanna C. Ross, 1979. "Searching the chemical literature via three on‐line vendors: A comparison," Journal of the American Society for Information Science, Association for Information Science & Technology, vol. 30(2), pages 103-106, March.
    • Handle: RePEc:bla:jamest:v:30:y:1979:i:2:p:103-106
    DOI: 10.1002/asi.4630300208
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