The first of two articles discusses the technical issues of text transfer and processing encountered by the Knowledge Warehouse project. The second describes the development of the concept of a national electronic archive, and discusses issues such as contractual agreements, access control, copyrights, and commercial aspects of value added…

This discussion of the use of images in learning processes focuses on recent developments in optical storage disc technology, particularly compact disc read-only (CD-ROM) and optical video discs. Interactive video systems and user interfaces are described, and applications in education and industry in the United Kingdom are reviewed. (Author/LRW)