Academic libraries customize, support, and provide access to myriad information systems, each with complex graphical user interfaces. The number of possible information entry points on an academic library Web site is both daunting to the end-user and consistently challenging to library Web site designers. Faced with the challenges inherent in…

Critiques existing approaches to computerized support for browsing and describes four new types of browsers that have been implemented in the Xerox NoteCards hypertext system. These browsers support the process of pursuing and returning from digressions and facilitate the integration of diverse sets of materials that have been browsed. (16…

Discusses ways to locate information on the Internet. Highlights include LISTSERVs; files to download, including text, graphics, software, sounds, and animations through Archie; locating files on a Gopher via Veronica; the World Wide Web; and electronic mail addresses. (LRW)

Describes a study that was conducted to identify, describe, and analyze the document representations of Web sites revealed in the hit list of subject searches conducted by four search engines: AltaVista, infoseek Ultra, Lycos, and Open Text Index. Problems are discussed, and implications for Web page design are considered. (LRW)

As the number of World Wide Web sites continues to grow at an explosive rate, the need for design guidelines also increases. Although there are a number of resources that provide guidance on structure and content, few address the motivational aspects of Web sites. The Website Motivational Analysis Checklist (WebMAC) was developed to help diagnose…

Evaluates TRADEMARKSCAN image retrieval using DIALOGLINK communications software. Factors discussed include TRADEMARKSCAN's composition, retrieval methods, file size, downloading and printing time and costs, and database applications. Software requirements and functions relevant to image retrieval are also discussed, and suggestions for…

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…

Review of the literature on international computerized indexing systems for visual materials also describes technologies available for reproducing images, highlighting videotex, videodisk, and digital storage. Advances in the ability to interface these technologies with each other and with online retrieval systems are discussed. (76 notes with…

Describes an algorithm for computer generation of hierarchical indexes for document collections. The resulting index, when presented with a graphical interface, provides users with a view of a document collection that permits general browsing and informal search activities via an access method that requires no keyboard entry or prior knowledge of…

Reports some of the progress made over the years toward exploring information beyond the text domain. Describes the Multimedia Analysis and Retrieval Systems (MARS), developed to increase access to non-textual information. Addresses the following aspects of MARS: (1) visual feature extraction; (2) retrieval models; (3) query reformulation…

Reprints of 18 articles pertaining to library microcomputing appear in this collection, the first of two volumes on this topic in a series of volumes of reprints from "ONLINE" and "DATABASE" magazines. Edited for information professionals who use electronically distributed databases, these articles address such topics as: (1) an integrated library…

Discusses the problem of access in managing image collections and describes a prototype system for the University of California Berkeley which would include the University Art Museum, Architectural Slide Library, Geography Department's Map Library and Lowie Museum of Anthropology photographs. The system combines an online public access catalog…

Various methods for retrieving chemical structure information on the World Wide Web are discussed. Although graphical plug-in programs provide more search capabilities, users first have to obtain a copy of the programs. Tripos's WebSketch and ACD Interactive Lab adopt a different approach; using JAVA applets, users create and display a structure…

The World Wide Web allows users to interact with a graphic interface to search information in a hypermedia and multimedia environment. Graphics serve as reference points on the World Wide Web for searching and retrieving information. This study analyzed the culturally constructed syntax patterns, or codes, embedded in the icons of library…

This paper examines hypermedia design and draws conclusions about how educational research and theory applies to various aspects of World Wide Web (WWW) homepage design. "Hypermedia" is defined as any collection of information which may be textual, graphical, visual, or auditory in nature and which may be accessed via a nonlinear route.…