Method and apparatus for
US7383258 Патенты
One embodiment of the present invention provides a system characterizes a document with respect to clusters of con ceptually related words. Upon receiving a document con taining a set of words, the system selects “candidate clus ters” of conceptually related words that are related to the set of words. These candidate clusters are selected using a model that explains how sets of words are generated from clusters of conceptually related words. Next, the system constructs a set of components to characterize the document, wherein the set of components includes components for candidate clusters. Ea
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