Discusses usability as an interface design concept to improve information retrieval on the World Wide Web. Highlights include criteria for a usable Web site; usability testing; usability resources on the Web; and a sidebar that gives an example of usability testing by Hewlett-Packard. (LRW)

Describes the development of "Online" magazine, considers the impact it has had on its target audience of online searchers, and discusses changes in the online information field during the last 20 years. Topics include growth of the Internet; price competition; quality of information; and user interfaces. (LRW)

Describes recent improvements in graphical user interfaces (GUIs) offered by online services. Highlights include design considerations, including computer engineering capabilities and users' abilities; fundamental GUI design principles; user empowerment; visual communication and interaction; and an evaluation of online search interfaces. (LRW)

Examines trends in World Wide Web searching; reviews new search services; and describes changes in major Web search services. Highlights include commercial sites, subject access, target audience, custom interfaces, concept searching, and results lists. (LRW)

Discusses interface agents and online help systems, focusing on Microsoft's animated office assistants. Highlights include intermediaries such as librarians in off-line reference problems; user complaints about online help systems; navigation problems; evaluation of the online office assistants; and categories of user queries to online help…

Describes the development of Web portals, or interfaces, to allow users at the University of Virginia Health Sciences Library to tailor library resources and services more closely to their needs. Topics include defining the users; user group needs assessment; identifying and evaluating resources; access issues; and future enhancements. (LRW)