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:
May. 13, 2025
Filed:
Oct. 14, 2020
Semiconductor Energy Laboratory Co., Ltd., Atsugi, JP;
Junpei Momo, Sagamihara, JP;
Hiromichi Godo, Isehara, JP;
Semiconductor Energy Laboratory Co., Ltd., Atsugi, JP;
Abstract
A document retrieval system that retrieves documents, with concepts of the documents taken into account, is provided. The document retrieval system () includes an input unit (), a first processing unit (), a storage unit (), a second processing unit (), and an output unit (). The input unit () has a function of inputting a first document (), the first processing unit () has a function of creating a first graph structure () from the first document (), the storage unit () has a function of storing a second graph structure (), the second processing unit () has a function of calculating a similarity between the first graph structure () and the second graph structure (), the output unit () has a function of supplying information, the first processing unit () has a function of dividing the first document () into a plurality of tokens, a node and an edge of the first graph structure () have a label, and the label includes the plurality of tokens.