Keyword associative document retrieval system
US5297042A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Oct 5, 1990 |
| Grant date | Mar 22, 1994 |
| Priority date | — |
| Expiry date | Oct 5, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S707/99935
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A document retrieval system includes an inputting unit for inputting a retrieval condition including one or a plurality of keywords and a weight value for each keyword, an operating unit having first factors corresponding to relationship values, each relationship value being defined as a degree of the relationship between two keywords out of keywords which are predetermined in the document retrieval system and second factors corresponding to importance values, each importance value being defined as a degree of importance of a keyword in each one of a plurality of documents which are predetermined in the document retrieval system, the operation unit generating a relevance value, which represents a degree of relevance in satisfying a user's requirement, for each of the documents on the basis of the retrieval condition input from the inputting unit, the first factors and the second factors, and an outputting unit for outputting the relevance value for each of the documents as a retrieval result.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.