The development of potentially powerful computer-based tools within rich learning environments is hampered by the constraints of delivery systems (specifically low-resolution, low-real estate displays). In designing a World Wide Web-based tool for manipulating time-based information, the authors have encountered a lack of guidelines or empirical…

There are a number of issues that must be addressed when delivering courses entirely online, such as designing effective user interfaces, using the visual medium of the World Wide Web effectively, and modifying traditional instructional methods. This paper discusses the design, development, implementation, and evaluation of an online course at…

This paper presents an information retrieval system for delivering educational visual materials through the World Wide Web. The system is designed to meet the following user requirements: lecturers prefer direct control over their visual resources; lecturers demand a browser-based interface that will allow them to create and modify their online…