TIME-SERIES DOCUMENT SUMMARIZATION DEVICE, TIME-SERIES DOCUMENT SUMMARIZATION METHOD AND COMPUTER-READABLE RECORDING MEDIUM

WIPO Patent Application WO/2012/111226

A1

This time-series document summarization device (201) outputs a summary sentence of a document-of-interest collection which is a document collection to be summarized. The time-series document summarization device (201) is provided with: a background topic word extraction unit (20) which acquires a set of the document-of-interest collection and a document-of-interest topic word, which is a feature word of the document-of-interest collection, as well as a reference-use document collection, which is a document collection which is different from the document-of-interest collection, in order to extract a background topic word representing a topic which is the background of a topic described in the document-of-interest collection from the reference-use document collection; and a representative character string extraction unit (30) for extracting a representative character string, which includes the document-of-interest topic word and the background topic word, as the summary sentence of the document-of-interest collection from among character strings included in the document-of-interest collection.

OKAJIMA YUZURU (JP)
NAKAZAWA SATOSHI (JP)
KAWAI TAKAO (JP)

PCT/JP2011/078517

August 23, 2012

December 09, 2011

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NEC CORP (JP)
OKAJIMA YUZURU (JP)
NAKAZAWA SATOSHI (JP)
KAWAI TAKAO (JP)

G06F17/30; G06F17/21

JPH11219361A	1999-08-10
JP2002259371A	2002-09-13
JP2001084255A	2001-03-30
JPH10207891A	1998-08-07

ONEDEE IP PARTNERS (JP)
Patent business corporation Wang Dee IP partners (JP)

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