Information filtering apparatus and information filtering method
US6286012A · kind A · utility
6Cited by
2References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 1, 1999 |
| Grant date | Sep 4, 2001 |
| Priority date | — |
| Expiry date | Nov 1, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S707/99948
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The information filtering apparatus has a configuration having a metric dividing section which divides a matrix indicating that what items a user needed and did not need into a plurality of matrixes, and a classification information filtering unit which calculates a plurality of classification necessities and a plurality of classification reliabilities using the plurality of matrixes divided in the metric dividing section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.