Book excerpt: The process of integrating multiple senses and media into computer systems accelerated recently. This has broaden the applications of multimedia from the traditional areas of information organization, presentation and learning, to the new fields of simulation and virtual reality. Applications that have benefited from the introduction of multimedia include: training, demonstration of products for sales or inventory, education, computer-aided design and engineering, medicine, weather, and entertainment.This volume is devoted to the discussion of effective modeling of multimedia information and systems for a wide range of applications. It is perhaps the only book that devotes entirely to this important but much neglected topic.