The book has a strong practical focus and contains much technical insight of particular relevance to professionals working in the field. The papers cover two main areas of the field: academic research trends into object oriented concepts and principles, and state of the art applications in industry. Among the specific topics covered are modelling, knowledgebases, software development, interface design, object databases, distributed databases, and emerging object technologies. All those working in the field of information technology will find the book a useful source of reference.