Many children born with severe and multiple disabilities have complex communication needs and may use no speech or only minimal speech to communicate. Meaningful assessment of their expressive skills to identify communication strengths along a developmental trajectory is an essential first step toward appropriate intervention. This article…

Reports on a research project to build a new indexing technique, integrating experiences in database searching and indexing into a matrix model based on Internet use. Emphasizes the need for improving Web usability in specific domains and gives two examples from Italian Web sites, one for museums and one for health information. (Author/LRW)

This discussion of the structure of online databases and the structure of related subject disciplines focuses on terms used in a book about tropical diseases and terms used in the MEDLINE database for articles on these diseases. Matrices used are explained and Medical Subject Heading (MeSh) terms are examined. (16 references) (LRW)