Describes minimal-level, or provisional, authority records that are constructed from headings in bibliographic records as part of a computer validation process. Two types of references that can be generated automatically for authority records are explained: (1) those based on other data in the bibliographic record, and (2) those derived from the…

Discusses special problems that the symbols for sharps and flats in music notation present for the retrieval of music materials in online catalogs, and describes the results of a survey of vendors of online systems that was conducted to determine how vendors deal with this notation. (nine references) (LRW)

Discusses methods of browsing in online public access catalogs (OPACs) and describes one method that uses information pertaining to the physical description of books from MARC records to simulate images of books on a library shelf. Electronic browsing through MARC is discussed, and methods of enhancing OPACs are reviewed. (51 references) (LRW)

Describes the Multimedia Visualizer, an online public access catalog (OPAC) that uses animated visualizations to make it more user friendly. Pictures of the system are shown that illustrate the interactive objects that patrons can access, including card catalog drawers, librarian desks, and bookshelves; and access to multimedia items is described.…

Describes a project at the Princeton University libraries that converted the pre-1981 public card catalog, using digital imaging and optical character recognition technology, to fully tagged and indexed records of text in MARC format that are available on an online database and will be added to the online catalog. (LRW)

Outlines a process for downloading MARC format bibliographic data into a form readable for an Apple Macintosh computer running HyperCard software. Loading procedures for two data sources--an OCLC format tape and records from UCLA's ORION public access catalog--are discussed, and the use of a minicomputer system is considered. (eight references)…

The first of two articles addresses the problems of automated bibliographic control of bound withs--i.e., books or pamphlets published separately and subsequently bound together--in a library collection, and explains a solution devised by Innovative Interfaces. The second article reports on beta testing of KeyNOTIS, a turnkey library automation…

Discusses the importance of maintaining the accuracy and currency of the information in an online library catalog; examines aspects of online catalog maintenance that can be accomplished cooperatively, through networks, or automatically, by computer programs; and describes procedures followed at Washington State University that utilize the Western…

Reports on a study of keyword and Boolean searching by users of an online public access catalog (OPAC) at the University of Oklahoma. Results of survey questionnaires and transaction log analysis indicate users search more often by keyword, even though the search usually fails and they don't understand it. (15 tables) (Author/LRW)

Assesses the current state of reference structures in online public access catalogs (OPACs) in a framework defined by stagnation, progress, and future challenges. Outlines six areas for reference structure development. Twenty figures provide illustrations. (AEF)

Discussion of improving subject access in online library catalogs focuses on a study that used a book description from "Book Review Digest" to evaluate the information on the bibliographic record found on the OCLC database. Matching by Library of Congress Subject Headings and by keywords in the title are discussed. (22 references) (LRW)

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…

Discussion of keyword and Boolean searching techniques in online public access catalogs (OPACs) focuses on a study conducted at Indiana State University that examined users' attitudes toward searching on NOTIS (Northwestern Online Total Integrated System). Relevant literature is reviewed, and implications for library instruction are suggested. (17…

Examines the potential application of the American National Standards Institute (ANSI)/National Information Standards Organization (NISO) Z39.50 library networking protocol as a client/server environment for a scholar's workstation. Computer networking models are described, and linking the workstation to an online public access catalog (OPAC) is…

Describes surveys of catalogers, geo-science faculty, and graduate students that explored the provision and use of subject access through geologic or geographic names. Strategies for improving such access through cataloging techniques, user education, and the use of advanced technologies are discussed. (21 references) (CLB)