Document data retrieval and reporting
US7571383B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 13, 2005 |
| Grant date | Aug 4, 2009 |
| Priority date | — |
| Expiry date | Jan 31, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S707/99935
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Enables retrieving document data appropriately reflecting content of a retrieval statement and detecting problems in sequentially added document data. A retrieval system retrieves document data having content specified by an inputted retrieval statement among a plurality of document data, including: document database storing the plurality of document data, concept database storing a plurality of concepts using a hierarchical structure; document data concept extraction extracting document concepts based on keywords contained in respective document data, the concepts being concepts corresponding to the document data; retrieval statement concept extraction extracting a retrieval statement concept based on a keyword contained in the retrieval statement; a concept retrieving section retrieving concepts wherein the retrieval statement concept is a higher or lower layer of the document concept among the plurality of document data, retrieval result output section outputting document data retrieved, as the document data containing content specified by the retrieval statement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.