Variety-generator approach seeks to reflect the microstructure of data elements in their description for storage and search, and takes advantage of the consistency of statistical characteristics of data elements in homogeneous data bases. (Author)

Creation of a quarterly keyword index to campus grant projects is the chief investigator's name as the key to a section of project summaries. A third section is also included, listing the summaries under the name of the sponsoring department. (Author)

Compares the retrieval performance of a technique for machine-aided indexing using a controlled vocabulary with that of a Key Word Out of Context Index, basing conclusions on the results of 20 subject searches of a database containing summaries of defense management data. (FM)

The indexing and online searching of data bases have both conflicting and complementary structures, determined in part by the choice of indexing language. In the planning of a machine readable system, the Foundation Center, administrator of two data bases, initially chose a natural language for the lower cost, more rapid implementation, and…