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Kim, Won; Wilbur, W. John – Journal of the American Society for Information Science and Technology, 2001
Presents three different statistical techniques for identifying content-bearing phrases within a natural language database. Describes results on the effectiveness of the scoring methods when applied to MEDLINE phrases, and how the three methods can be combined to improve performance. Processing results for an example document are provided.…
Descriptors: Data Processing, Databases, Document Delivery, Indexing

Collantes, Lourdes Y. – Journal of the American Society for Information Science, 1995
Discussion of users and information retrieval systems highlights a study that investigated the representation of users' knowledge by examining their names for objects and concepts, agreement on names, the Library of Congress Subject Headings representation for similar objects and concepts, and measurement of the similarity between these…
Descriptors: Databases, Information Retrieval, Knowledge Representation, Man Machine Systems