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PATENTS
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US 6,286,018: Method and apparatus for finding a set of documents relevant to a focus set using citation analysis and spreading activation techniques. US 6,272,507: System for ranking search results from a collection of documents using spreading activation techniques. US 6,182,091: Method and apparatus for finding related documents in a collection of linked documents using a bibliographic coupling link analysis. US 6,151,595: Methods for interactive visualization of spreading activation using time tubes and disk trees. US 6,115,718: Method and apparatus for predicting document access in a collection of linked documents featuring link probabilities and spreading activation US 6,098,064: Prefetching and caching documents according to probability ranked need S list US 6,038,574: Method and apparatus for clustering a collection of linked documents using co-citation analysis US 5,895,470: System for categorizing documents in a linked collection of documents US 5,835,905: System for predicting documents relevant to focus documents by spreading activation through network representations of a linked collection of documents Plus over
two-dozen other pending patents related to web technologies, information
retrieval, human computer interaction, and information visualization.
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