Accepting that information professionals need to learn both traditional and computerized information retrieval techniques, this book aims to provide students with a comprehensive view of information retrieval. It covers: classification, cataloguing, subject indexing, abstracting and vocabulary control; CD-ROM and online information retrieval, multimedia; hypertext and hypermedia; expert systems and natural language processing techniques; knowledge-based natural language, text processing and user interface systems; and information retrieval in the context of the Internet, the World Wide Web, and the digital library environment.