Enhancing Subject Access in Online Systems: The Year's Work in Subject Analysis, 1991.

The research literature published in 1991 in the following categories is examined: users and subject searching, subject access in online catalogs, subject cataloging and indexing, information retrieval, thesaurus and indexing approaches, classification, and specialized subjects and materials. The preponderance of the research dealt with improving subject access in online systems. This seems to have been the result of acceptance by many researchers of a number of previously researched hypotheses that, taken together, indicate that improving online systems holds more promise than trying to perfect the processes of subject analysis