In information retrieval (IR), the aim of genetic algorithms (GA) is to help a system to find, in a huge documents collection, a good reply to a query expressed by the user. Analysis of phenomena seen during the implementation of a GA for IR has led to a new crossover operation, which is introduced and compared to other learning methods.…

Describes a methodology for creating networks of subject terms by manually representing a large number of common-sense activities that are broadly related to image subject terms. Application of this methodology to the Library of Congress Thesaurus for Graphic Materials produced 768 representations that supported users of a prototype browsing-based…

This guide to searching government documents provides a subject list, including LC call numbers, of 15 government publications indexes in the Dartmouth College Library and an explanation of U.S. government documents organization and coding. Detailed descriptions of each of the 15 indexes include sample entries with labels identifying the codes and…

This SPSS crosstab analysis of client response to the microfiche card catalog at the University of Oregon, which utilizes a "basic" or "frozen" catalog and supplements, considers such variables as microfiche use, academic status, and distance from the card catalog. (CWM)

Focuses on access to digital image collections by means of manual and automatic indexing. Contains six sections: (1) Studies of Image Systems and their Use; (2) Approaches to Indexing Images; (3) Image Attributes; (4) Concept-Based Indexing; (5) Content-Based Indexing; and (6) Browsing in Image Retrieval. Contains 105 references. (AEF)

This paper examines some of the finding aids (e.g., information that provides insight into a group of records in an archival collection) currently used or being developed by the National Archives and Records Administration (NARA). It explores their practicality and whether and how they can be improved. In addition, the paper analyzes the factors…

Describes and evaluates several fiction classification systems from the perspective of how well they answer likely reader queries regarding subjects of novels, and their utility for browsing. The usefulness of subject headings for card catalogs and print and online indexes to enhance topical access to fiction is discussed. (Author/MBR)

Three studies examined public library reference services use by patrons in Anglo, Hispanic, and Vietnamese communities in California. Interview questions concerned search topics, use of staff help, perceived usefulness of search result, successful search strategies, reasons for not seeking help, foreknowledge of sources, reasons for using the…

Provides an overview of the basic components of a digital library. Highlights include library collections; metadata; services, including information seeking and retrieval, reference query fulfillment, and user training; user interaction with digital libraries, including searching, browsing, and navigation; economic support; maintenance;…