The Indexing and Abstracting Environment.- The Need for Indexing and Abstracting Texts.- The Attributes of Text.- Text Representations and Their Use.- Methods of Automatic Indexing and Abstracting.- Automatic Indexing: The Selection of Natural Language Index Terms.- Automatic Indexing: The Assignment of Controlled Language Index Terms.- Automatic Abstracting: The Creation of Text Summaries.- Applications.- Text Structuring and Categorization When Summarizing Legal Cases.- Clustering of Paragraphs When Summarizing Legal Cases.- The Creation of Highlight Abstracts of Magazine Articles.- The Assignment of Subject Descriptors to Magazine Articles.