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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:
May. 24, 2022
Filed:
Mar. 31, 2017
Nec Corporation, Tokyo, JP;
Yuzuru Okajima, Tokyo, JP;
Kunihiko Sadamasa, Tokyo, JP;
NEC CORPORATION, Tokyo, JP;
Abstract
This invention provides an information processing apparatus for learning parameters to convert a question in a natural language into a query expression in a formal language, including an acceptor accepting an input of a set of a question in the natural language and a correct answer to the question, a condition generator generating condition(s) to be satisfied by the formal language input on searching a database for the correct answer, a query expression generator generating a query expression in the formal language corresponding to the question using parameters of the converter to satisfy any of the at least one condition, an answer acquirer acquiring an answer to the question based on a search of the database using the generated query expression, and a updater updating the parameters such that the question is converted with priority into the generated query expression when the answer and the correct answer match.