Document classification system, document classification method, and document classification program
US10489427B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 28, 2014 |
| Grant date | Nov 26, 2019 |
| Priority date | — |
| Expiry date | Jan 12, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/93
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The present invention includes: an extraction unit that extracts a specified quantity of documents, as targets to be classified by a user, from document information; a classification code accepting unit that accepts a classification code which is an identifier used when categorizing the documents, and is assigned by the user to each of the extracted documents; a database that records keywords selected from the extracted documents on the basis of the classification code; a score calculation unit that calculates a score which evaluates linkage strength between documents included in the document information, and the classification code on the basis of the keywords wherein the score calculation unit recalculates the score on the basis of a result of further extraction, by the extraction unit, of a specified quantity of documents, as targets to be classified by the user, from the document information according to the score.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.