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Cherry, Susan Spaeth – American Libraries, 1979
Provides an overview of current newspaper indexing methods, including discussion of those indexes produced by commercial firms, public libraries, newspapers themselves, and news data banks. (FM)
Descriptors: Automatic Indexing, Databases, Indexing, Information Retrieval

Jones, K. Sparck; Tait, J. I. – Journal of Documentation, 1984
Describes research designed to improve automatic pre-coordinate term indexing by applying language analysis techniques to identify term sources in requests, and to generate variant expressions of concepts involved for document text searching. Text analysis, term extraction, variant generation, and retrieval trial are highlighted. Thirteen…
Descriptors: Automatic Indexing, Information Retrieval, Online Systems, Relevance (Information Retrieval)