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

Johanna C. Ross

Journal of the American Society for Information Science, 1979, vol. 30, issue 2, 103-106

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.

Date: 1979
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Persistent link: https://EconPapers.repec.org/RePEc:bla:jamest:v:30:y:1979:i:2:p:103-106

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