Discusses the difference in subject access in OPACs (online public access catalogs) between subject searching (authority, alphabetic, or controlled vocabulary) versus keyword searching (uncontrolled, free text, natural language vocabulary). Compares a query on the term "garbage" in two online catalogs and discusses results. (Author/LRW)

Discusses the needs of remote users of online public access catalogs (OPACs). User expectations are discussed; problems encountered by remote-access users are examined, including technical problems and searching problems; support services are described, including instruction, print guides, and online help; and differences from the needs of…

Discussion of the concept of a virtual library focuses on the needs of the user. Topics addressed include searching remote library catalogs and databases; the availability of information through the Internet and other networks; and the expertise needed by library staff to instruct and assist users. (11 references) (LRW)

Examines three aspects of keyword searching as a possible solution to subject search problems in online public access catalogs (OPACs). Discusses search results, user satisfaction, and how keyword searching and controlled vocabulary searching are offered in OPAC interfaces. Concludes that keyword searching and controlled vocabulary searching…

Online public access catalogs from 67 libraries using NOTIS software were searched using Internet connections to determine the positional operators selected as the default keyword operator on each catalog. Results indicate the lack of a processing standard for keyword searches. Five tables provide information. (Author/AEF)

Reports results of a material-availability study in which library users were surveyed to determine their success in obtaining materials. Both OPAC users and CD-ROM journal-index users were studied and transaction logs verified their self reports. Recommendations for reducing search failures are discussed. (Author)

Presents a methodology for describing, analyzing, and evaluating the public service functions of serial file systems, and describes a user study conducted in a university departmental library to determine the efficiency and effectiveness of its system in enabling students new to the library to locate known-items in the serials collection. (CDD)

Describes the State of Iowa Libraries Online project (SILO) which was developed to demonstrate new information technologies available to libraries. Focuses on two interlinked components of the project: Web-based union catalog development and statewide deployment of the ANS/NISO Z39.50 information retrieval standard. Includes recommendations for…

Provides an overview of the MacNOTIS interface project at Texas A&M University to provide a tool to make the NOTIS online public access catalog more accessible to users. Highlights include an intuitive interface, saving to disk, local printing, reusable search strings, online help, and automatic dial-up. (JLB)

Discussion of Web-based online public access catalogs (OPACs) focuses on a review of six Web OPAC interfaces in use in academic libraries in the United Kingdom. Presents a checklist and guidelines of important features and functions that are currently available, including search strategies, access points, display, links, and layout. (Author/LRW)

The Internet is a network of networks which continually accumulates and amasses information, much of which is without organization and evaluation. This study addresses the need for establishing a database of Uniform Resource Locators (URLs), and for collecting, organizing, indexing, and publishing catalogs of URLs. Librarians and information…

Over the last decade, studies of online catalogs have revealed that they frequently discourage users. Subject queries often fail to produce retrievals or produce retrieval sets that are too large and unwieldy to be easily scanned. Research shows that users are seeking alternative approaches to those that manipulate the subject headings in catalog…

Outlines the cognitive theories influencing the Science Library Catalog's (SLC) design; describes the catalog itself; explains research based on the SLC; and discusses research results, emphasizing findings that are most relevant to school library media specialists developing children's information skills. An annotated bibliography of 14 related…

Examines the Amazon.com online bookstore as a blueprint for designing the world's largest library. Topics include selection; accessibility and convenience; quality of Web sites and search tools; personalized service; library collection development, including interlibrary loan; library catalogs and catalog records; a circulation system; costs;…

Electronic databases have grown tremendously in both number and popularity since their development during the 1960s. Access to electronic databases in academic libraries was originally offered primarily through mediated search services by trained librarians; however, the advent of CD-ROM and end-user interfaces for online databases has shifted the…