Related data generating apparatus, related data generating method, and program
US10157348B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 4, 2015 |
| Grant date | Dec 18, 2018 |
| Priority date | — |
| Expiry date | Feb 11, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06N20/00
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Provided are a co-occurrence word data generating unit configured to generate co-occurrence word data including a co-occurrence word that is a vocabulary used along with a predetermined keyword in posted data in all periods and an appearance frequency of the co-occurrence word, from among pieces of posted data posed in a plurality of different periods; and a related data generating unit configured to generate related data including the co-occurrence word as a usual related word when a temporal variation in the appearance frequency of the co-occurrence word is smaller than a first threshold value and the appearance frequency is higher than a second threshold value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.