Describes the development of a thesaurus for indexing the databases of Engineering Information, Inc., that improved the former precoordinate indexing vocabulary with postcoordinate descriptors and an appropriate set of thesaurus relationships. Problems of incompatibility with old indexing are addressed, and the use of an outside consultant versus…

Approaches to improved productivity in the input cycle of database creation are discussed in three papers. The discussions include problems with and potential impacts of computer support for indexers; conversion from a minicomputer based indexing and abstracting production system to a microcomputer network; and a computerized system for…

Discussion of computer-aided indexing activity focuses on examples from projects at the National Aeronautics and Space Administration (NASA). Standardization and quality in providing subject access to databases are considered; and computer-aided lexicography, including thesaurus construction, access vocabulary, definitions preparation,…

Briefly describes use of off-site staffing--indexers, abstractors, editors--in the production of two major databases: Management Contents and The Computer Data Base. Discussion covers the production sequence; database administrator; off-site indexer; savings (office space, furniture and equipment costs, salaries, and overhead); and problems…

Describes Information on Demand, an information broker that provides database and manual research on a fee for service basis, and accesses more than a dozen online systems. Relative strengths and weaknesses of particular systems and the criteria used to select databases and online vendors are identified and discussed. (CLB)

Describes the design and development of an image database for photographs in the Ulster Museum (Northern Ireland) that used parallelism from a transputer network. Topics addressed include image processing techniques; documentation needed for the photographs, including indexing, classifying, and cataloging; problems; hardware and software aspects;…

Describes study conducted with British undergraduate library science students that compared natural language indexing and searching with controlled language searching on a computerized database. The use of the ERIC Thesaurus and Sears List of Subject Headings is explained, recall and precision measures are reported, and further research is…