附註:Includes bibliographical references (pages p. 237-260) and index.
Cover -- Table of Contents -- Preface -- Acknowledgements -- Part I The Indexing and Abstracting Environment -- Chapter 1. The Need for Indexing and Abstracting Texts -- 1. Introduction -- 2. Electronic Documents -- 3. Communication through Natural Language Text -- 4 .Understanding of Natural Language Text: The Cognitive Process -- 5. Understanding of Natural Language Text: The Automated Process -- 6. Important Concepts in Information Retrievel and Selection -- 7. General Sloutions to the Information Retreival Problem -- 8. The Need for Better Automatic Indexing and Abstracting Techniques -- Chapter 2. The Attributes of Text -- 1. Introduction -- 2. The Study of Text -- 3. An Overview of Some Common Text Types -- 4. Text Described at a Micro Level -- 5. Text Described at a Macro Level -- 6. Conclusions -- Chapter 3. Text Representations and Their Use -- 1. Introduction -- 2. Definitions -- 3. Representations that Characterize the Content of Text -- 4. Intellectual Indexing and Abstracting -- 5. Use of the Text Representations -- 6. A Note about the Storage of Text Representations -- 7. Characteristics of Good Text Representations -- 8. Conclusions -- Part II Methods of Automatic Indexing and Abstracting -- Chapter 4. Automatic Indexing: The Selection of Natural Language Index Terms -- 1. Introduction -- 2. A Note about Evaluation -- 3. Lexical Analysis -- 4. Use of a Stoplist -- 5. Stemming -- 6. The Selection of Phrases -- 7. Index Term Weighting -- 8. Alternative Procedures for Selecting Index Terms -- 9. Selection of Natural Language Index Terms: Accomplishments and Problems -- 10. Conclusions -- Chapter 5. Automatic Indexing: The Assigment of Controlled Language Index Terms -- 1. Introduction -- 2. A Note about Evaluation -- 3. Thesaurus Terms -- 4. Subject and Classification Codes -- 5. Learning Approaches to Text Categorization -- 6. Assignment of Controlled Language Index Terms: Accomplishments and Problems -- 7. Conclusions -- Chapter 6. Automatic Abstrac
