Presents results of a study that examined the effectiveness of adjacency operators in improving precision and recall in FirstSearch title keyword searches. Compared subject headings of retrieved items to sample title subject headings and discovered that when keywords were limited in meaning and adjacency operators were used, precision was…

Describes Project Alexandria, a digital library initiative funded by the National Science Foundation based at the University of California, Santa Barbara, that provides online access to spatial data in a distributed environment with search options by areas of interest on a base map or by text, according to user preference. (Author/LRW)

Describes a survey that examined ways in which users interacted with the authority control of online catalogs developed commercially and locally. The two types of system are compared in terms of displayed messages related to authority control and system capabilities to aid users in understanding the relationships between headings. (CLB)

Discusses the traditional alphabetical arrangement of library card catalogs and suggests this order should be reconsidered in online catalogs. Online searching in library catalogs is described; the ordering of records in online catalogs is examined; and filtering is considered as a method to order retrieved sets of bibliographic records. (Contains…

Reports on the design and use of a computer system designed to assist online database searchers in determining the relevance of downloaded abstracts. The system, which runs on a personal computer, includes aids for individual review of abstracts and semiautomatic determination of relevance; prospects for fully automatic use are discussed. (CDD)

A survey at the University of Houston examined factors related to subject searching success in online catalogs, including: extent of subject searching; response to unsuccessful searches; reasons subject search is not used; users' awareness of sources of subject terms; and suggestions from users for improving subject searching capabilities. (CLB)

Describes the role of browsing in online searching and difficulties encountered in attempting to browse call number indexes. The discussion covers the benefits of clustering class number ranges and strategies for overcoming the major problems related to Library of Congress classification use in an online catalog. (11 references) (CLB)

Discusses the need to teach undergraduate students the critical thinking processes necessary to formulating and researching a topic, rather than the technicalities of online catalogs. The development and design of an online catalog at Dickinson College, which forces students to make informed choices throughout the search process, is described.…

Presents overview of library classification and automation (1940-84), including use of Dewey Decimal and Library of Congress classification in online cataloging systems. Highlights include classification number access in existing online catalogs, functions of classification records, specifications for authority file records, and the nature of…