An online library catalog was used to evaluate an interactive query expansion facility based on relevance feedback for the Okapi, probabilistic, term weighting, retrieval system. A graphical user interface allowed searchers to select candidate terms extracted from relevant retrieved items to reformulate queries. Results suggested that the…

Describes PACE (Public Access Catalogue Extension), an alternative interface designed to enhance online catalogs by simulating images of books and library shelves to help users browse through the catalog. Results of a test in a college library against a text-based online public access catalog, including student attitudes, are described.…

Describes a project at the Denver Public Library (Colorado) called "Kid's Catalog" that involved creating a child-oriented online catalog with a graphical user interface. The catalog's software is designed to search, make cognitive links, and present a list of materials. Research was conducted at the library and three elementary schools…