Migrating from paper-based to electronic documentation is a task that needs careful planning. Electronic texts offer new ways to store, retrieve, update, and cross-link information. Hypermedia documents, in which texts are cross-linked via keywords and in which audio and video files may also be integrated, require new levels of organization and strict discipline from authors, editors, and managers. As documents become "living" their document managers must control access, privileges, interconnections, segmentation, and flexibility for different readers. This book introduces and surveys these...