Method for characterizing a document set using evaluation surrogates
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United States of America Patent
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Jun 30, 1998
Grant Date -
N/A
app pub date -
Dec 30, 1996
filing date -
Dec 30, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method is provided for determining the relevance of a document to one or more topics, each of which is specified by a topic profile. The document is tokenized into a stream of document tokens and compound terms specified in the topic profiles are identified among the document tokens. The stream of document tokens is augmented for each identified compound term with a tagged compound term token specified in the topic profile. The augmented stream of document tokens is stopped to eliminate tokens representing common terms, redundant terms, and selected terms associated with tagged tokens. A similarity function is calculated between the resulting document representation and each of the topic profiles to provide an evaluation surrogate that includes measures of relevance the document to each of the topic profiles.
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