Method, apparatus, and computer program product for generating a summary of a document based on common expressions appearing in the document
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United States of America Patent
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Jan 8, 2002
Grant Date -
Aug 23, 2001
app pub date -
Apr 16, 1998
filing date -
Apr 17, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of summarizing a document which comprises the steps of: extracting sentence-constituting-elements from the document; tabularizing the sentence-constituting-elements corresponding to categories and sentences in the document; extracting commonly-held-information which is common to the sentence-constituting-elements in the same category from the sentence-constituting-elements; looking up common expression information which is common to plural pieces of the commonly-held-information in a thesaurus in which the commonly-held-information and the common expression information are connected by a hierarchical tree; and composing a summary based on the commonly-held-information and the common expression information.
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