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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.
Patent No.:
Date of Patent:
Dec. 27, 2022
Filed:
May. 11, 2020
Hitachi, Ltd., Tokyo, JP;
Naokazu Uchida, Tokyo, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A document processing device includes: an input unit for receiving an input question sentence; a text analysis unit for performing a morphological analysis on a sentence received by the input unit; a hypothetical question storage unit for storing a hypothetical question sentence and an answer sentence in association with each other; a search unit for searching for the hypothetical question sentence similar to the input question sentence from the hypothetical question storage unit and obtaining an answer sentence; an output unit for outputting the answer sentence; and a normalization processing unit for performing a normalization on each word of the input question sentence and the hypothetical question sentence converted into word strings by the text analysis unit. The search unit is configured to perform a similarity determination on the input question sentence and the hypothetical question sentence whose words are normalized by the normalization processing unit.