Authoring and Maintaining of Educational Applications on the Web.

This paper discusses problems concerning the design of educational applications in general, as well as specific problems connected with educational applications meant to be published on the Web. A new approach to the authoring and maintaining of Web-based educational applications is proposed which is based on the concept of hypermedia composites. Hypermedia composites can be seen as a higher level of hypermedia authoring; the hypermedia composite represents a collection of multimedia documents and/or other hypermedia composites. The Hypermedia Composite Data Model allows the possibility of defining many different "classes" of educational applications, to best match the requirements of a particular application. The architecture, components and functions of the Structure Editor, a system that implements the Hypermedia Composite Data Model, are described. Includes six figures. (AEF)