The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 29, 2020

Filed:

Mar. 23, 2018
Applicant:

Hitachi, Ltd., Tokyo, JP;

Inventors:

Yoshiko Nagasaka, Tokyo, JP;

Keiro Muro, Tokyo, JP;

Assignee:

HITACHI LTD., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 16/93 (2019.01); G06F 17/15 (2006.01); G06F 16/9038 (2019.01); G06F 16/903 (2019.01); G06F 40/20 (2020.01); G06Q 50/04 (2012.01);
U.S. Cl.
CPC ...
G06F 16/93 (2019.01); G06F 16/9038 (2019.01); G06F 16/90335 (2019.01); G06F 17/15 (2013.01); G06F 40/20 (2020.01); G06Q 50/04 (2013.01);
Abstract

An information processing system includes: a document reception unit configured to receive multiple pieces of document data; a data storage unit configured to store the received multiple pieces of document data; and a correspondence relation estimation unit configured to estimate a correspondence relation at least between an item in a first document data and an item in a second document data out of the multiple pieces of document data stored in the data storage unit. The correspondence relation estimation unit includes an item-item coupling relation extraction unit configured to extract a coupling relation among items in the first document data and a coupling relation among items in the second document data, and a word relationship extraction unit configured to extract a relevance between a word that appears in an item in the first document data and a word that appears in an item in the second document data.


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