Discussion of online help for performance support systems focuses on how online help has expanded to allow the design of more effective support systems. Explains embedded help, interactive help, intelligent agents, bubble help (tool tips), "What's This?" help, and expanded help content. (LRW)

Recent progress in wireless and sensor technologies has lead to a new development of learning environments, called context-aware ubiquitous learning environment, which is able to sense the situation of learners and provide adaptive supports. Many researchers have been investigating the development of such new learning environments; nevertheless,…

Discusses instructional systems and information retrieval systems and highlights the growing role of retrieval systems in learning. Topics discussed include cognitive psychology; degree of learner control; interaction with the systems; technological trends, including storage capacity, integrated media, and interlinked systems; hypermedia; and…