This book discusses the various aspects and concepts of information retrieval. The continuously changing information environment has always been a cause, as well as catalyst, of information retrieval research and development. Contents Query Languages and Algorithms * Boolean Logic * Statistical Models and Related Concepts * Methods of Information Retrieval * Performance Evaluation of Information * Retrieval Systems * Search Techniques * WEB Mining * Data Mining and Languages * Information Retrieval and Digital Libraries * The Semantic Web and Information Retrieval.
