Findings from a study of users' multitasking searches on Web search engines include: multitasking searches are a noticeable user behavior; multitasking search sessions are longer than regular search sessions in terms of queries per session and duration; both Excite and AlltheWeb.com users search for about three topics per multitasking session and…

Describes MusiCat, an experimental user interface designed in Denmark that reflects the different ways that patrons think when searching for musical material on the Web. Discusses technology versus content; search trees that use a hierarchy of subject terms; and usability testing. (LRW)

Presents a framework for the design of information representations in terms of previews and overviews, to aid designers of digital library interfaces. Defines previews and overviews, as graphic or textual representations of information abstracted from primary information objects, analogous to bibliographic records and catalogs; and describes four…

Discusses the poor technical and design quality of many Web sites and provides tips for improving quality: use meta tags; provide page sponsor identification, links back to home page, page titles; display a paragraph describing the purpose of the Web page; avoid using frames and publishing pages under construction; check language and mechanics;…

Discusses use of the Delphi technique and describes the development of an electronic version, called e-Delphi, in which questionnaire construction and communication with panel members was accomplished using the Web. Explains system function and interface and discusses evaluation of the e-Delphi system. (Author/LRW)

As the Web becomes more popular, the interest in effective navigation is increasing. Menu design is becoming a critical issue of human computer interface design as the focus of computer applications moves from the computer as a machine to the human as a user. The purpose of this study was to investigate the effect of three different Web menu…

A framework for the design of multi-channel (MC) applications in the cultural tourism domain is presented. Several heterogeneous interface devices are supported including location-sensitive mobile units, on-site stationary devices, and personalized CDs that extend the on-site experience beyond the visit time thanks to personal memories gathered…

End users think of file names as a way to identify file contents, whereas computer programs often assign special meaning to file extensions. This article discusses different kinds of files on the World Wide Web: text, document, sound, video, and multimedia; file compression; and encoding formats. Includes a chart of file formats and lists Web…

Compares and evaluates the differences between OCLC's dial-up and World Wide Web FirstSearch access methods and their interfaces with the underlying databases. Also examines NetFirst, OCLC's new Internet catalog, the only Internet tracking database from a "traditional" database service. (Author/PEN)

With the advent of CD-ROMs, libraries began to limit online searching via DIALOG. To increase DIALOG's market share, Colorado Alliance of Research Libraries (CARL) Corporation is developing graphical user interfaces using World Wide Web and Windows technology and has reached agreements with Knight Ridder Information and with most of their database…

Describes push technology as a new type of selective dissemination via the Internet and discusses filtering, channels of information, Web browser interfaces, data transfer, the role of databases, and database technology. A list of companies that provide push technology is included. (LRW)

Discusses intelligent user interfaces, through which a user may query for information; explains the different types of intelligent online search assistants, or agents, which are used to support these interfaces. Describes several different agent systems. Concludes by discussing the current state of agents in information retrieval, especially as…

Provides an overview of online systems and search engines, highlighting search (relationships between terms and interpretation of words), browse, and Web search engine capabilities, iterative searches, canned or stored queries, vocabulary browsing, delivery of full source documents, simple and advanced user interfaces, and global access. Notes…

University portals provide a new computerized interface between colleges and constituent groups. This article discusses: campus portals and possible features they may contain, nine strategies for portal projects, collaborative mechanisms to develop and implement portal projects, criteria for determination of campus portal readiness, potential…

Discusses the need for an intuitive library information gateway to meet users' information needs and describes the process involved in redesigning a library Web site based on experiences at Roger Williams University. Explains usability testing methods that were used to discover how users were interacting with the Web site interface. (Author/LRW)