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| Relevance (Information… | 4 |
| Chemical Nomenclature | 3 |
| Databases | 3 |
| Information Retrieval | 3 |
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| Journal of Chemical… | 4 |
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Peer reviewedClinging, R.; Lynch, M. F. – Journal of Chemical Documentation, 1973
A program is described which identifies functional group interconversion reactions, hydrogenations, and dehydrogenations in a data base containing structures encoded as Wiswesser Line Notations. Production of the data base is briefly described. (17 references) (Authors)
Descriptors: Chemical Nomenclature, Data Processing, Databases, Indexes
Peer reviewedCrowe, J. E.; And Others – Journal of Chemical Documentation, 1973
The techniques of search strategy design for substructure searches of the Wiswesser Line Notation (WLN) file are described in detail. The Index Chemicus Registry System'' was used. (13 references) (Author/SM)
Descriptors: Chemical Nomenclature, Classification, Data Processing, Information Dissemination
Peer reviewedAnd Others; Zipperer, William C. – Journal of Chemical Documentation, 1974
The relative retrieval performances of the CA Integrated Subject File (CAISF), CA Condensates, and a Merged File created from these two data bases were measured. Retrieval performance is reported in terms of recall, precision values, and costs. (Author/JB)
Descriptors: Chemistry, Comparative Analysis, Cost Effectiveness, Data Processing
Peer reviewedAnd Others; Zipperer, W. C. – Journal of Chemical Documentation, 1973
Minimum, maximum, and average lengths and frequency counts for the data elements in the Chemical Substance and General Subject segments of the Standard Distribution Format (SDF) files distributed by Chemical Abstracts Service are presented. (5 references) (Authors)
Descriptors: Chemical Nomenclature, Data Processing, Databases, Information Processing
