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Peer reviewedWillett, Peter – Information Processing and Management, 1988
Reviews recent research into the use of hierarchic agglomerative clustering methods for document retrieval. The topics discussed include the calculation of interdocument similarities, algorithms used to implement clustering methods on large databases, validity testing of document hierarchies, appropriate search strategies, and other applications…
Descriptors: Algorithms, Bibliometrics, Cluster Analysis, Comparative Analysis
Peer reviewedKostoff, Ronald N.; Eberhart, Henry J.; Toothman, Darrell Ray – Information Processing & Management, 1998
Database Tomography (DT) is a system which includes algorithms for extracting multi-word phrase frequencies and performing phrase proximity analyses on any type of large textual database. DT was used to derive technical intelligence from a near-earth space (NES) database derived from the Science Citation Index and the Engineering Compendex.…
Descriptors: Algorithms, Bibliometrics, Databases, Information Retrieval
