Performance is a critical factor hindering the use of object-oriented databases (OODB). This article proposes a new and uniform indexing scheme for enhancing OODBs with advantages for small range, clustered sets queries. Reviews several other indexing schemes; presents the U-index scheme; discusses its performance; and presents experimental…

Examines HotJava and Java, World Wide Web technology for use on the Internet. HotJava, an interactive, animated Web browser, based on the object-oriented Java programming language, is different from HTML-based browsers such as Netscape. Its client/server design does not understand Internet protocols but can dynamically find what it needs to know.…

Provides an overview of developments in computer-based training (CBT) authoring software and reviews the following products: Macromedia's Authorware, Aimtech's CBT Express, Iprax CourseWorks, Intersystem Concepts' Everest, Aimtech's IconAuthor, Innovus Multimedia, Allen Communication's QuestNet+, and Asymetrix's ToolBook II Instructor. A sidebar…