Document processing device and document processing method
US8176033B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 21, 2009 |
| Grant date | May 8, 2012 |
| Priority date | — |
| Expiry date | Aug 9, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/3347
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A document processing method, including: a collection step of collecting access history of a user; a document similarity computing step of computing a document similarity, which indicates similarity between documents, by one user pattern which indicates a plurality of users who have accessed one document and another user pattern which indicates a plurality of users who have accessed another document, according to the access history collected in the collection step; a keyword weight vector correction step of correcting a keyword weight vector of the one document using the document similarity computed in the document similarity computing step; and an evaluation value calculation step of calculating an evaluation value for input information for searching, based on the keyword weight vector corrected in the keyword weight vector correction step.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.