I-IV -- About the contributors -- Preface -- Contents -- Chapter 1. Overview of expert systems -- Chapter 2. Knowledge-based indexing -- Chapter 3. Rule-based systems, natural language processing and abstracting -- Chapter 4. Experts systems in reference work -- Chapter 5. Expert systems and cataloguing -- Chapter 6. Expert systems and online information retrieval -- Chapter 7. The future of expert systems and artificial intelligence technologies in libraries and information centres -- Glossary of terms -- Index