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:
Aug. 15, 2023
Filed:
Mar. 14, 2018
Nec Corporation, Tokyo, JP;
Jun Nishioka, Tokyo, JP;
Yoshiaki Sakae, Tokyo, JP;
Kazuhiko Isoyama, Tokyo, JP;
Etsuko Ichihara, Tokyo, JP;
Kosuke Yoshida, Tokyo, JP;
NEC CORPORATION, Tokyo, JP;
Abstract
To enable a user to easily recognize temporal order of elements included in a retrieval sentence, a retrieval sentence utilization deviceincludes: a retrieval sentence division unitfor dividing a retrieval sentence into a plurality of retrieval contents each of which includes an event; and a directed graph generation unitfor generating, from each of the retrieval contents, a subtree in which the event is an edge and a source of the event and an object of the event are nodes, and integrating a plurality of subtrees generated from the retrieval contents to generate a directed graph, wherein the directed graph generation unitplaces the plurality of subtrees in the directed graph according to occurrence order of events corresponding to the plurality of subtrees.