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Cluster Grouping | 2 |
Indexes | 2 |
Information Retrieval | 2 |
Automatic Indexing | 1 |
Indexing | 1 |
Mathematical Models | 1 |
Probability | 1 |
Search Strategies | 1 |
Word Frequency | 1 |
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Journal of the American… | 1 |
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Bookstein, Abraham; Swanson, Don R. – Journal of the American Society for Information Science, 1974
Descriptors: Automatic Indexing, Cluster Grouping, Indexes, Information Retrieval
Vaswani, P. K. T.; Cameron, J. B. – 1970
The experiments involved 11,571 abstracts (with titles), 1,000 key-word stems and 93 search requests. Measures of word association are derived in several ways from the numbers of documents in which two given words co-occur, and measures of similarity from the numbers of words associated with both. Word clusters with different degrees of overlap…
Descriptors: Cluster Grouping, Indexes, Indexing, Information Retrieval