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.
Patent No.:
Date of Patent:
Jan. 31, 2023
Filed:
Feb. 26, 2021
Kabushiki Kaisha Toshiba, Tokyo, JP;
Hiroko Fujii, Komae, JP;
KABUSHIKI KAISHA TOSHIBA, Tokyo, JP;
Abstract
According to one embodiment, a document search apparatus includes processing circuitry. The processing circuitry acquires an event text relating to an event, acquire a phenomenon expression from the event text, the phenomenon expression indicating a phenomenon of the event, acquires a synonymous expression having a meaning similar to a meaning of the phenomenon expression, and acquires at least one co-occurrence expression co-occurring with an expression selected from among the phenomenon expression and the synonymous expression. The processing circuitry performs search using the selected expression and one of the at least one co-occurrence expression as search terms to acquire a related-event document relating to the event from document information.