File retrieval apparatus and method with a hierarchical structured keyword format that includes corresponding attribute information for each keyword
US5924087A · kind A · utility
11Cited by
7References
39Claims
0Family size
Assignee
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Key dates
| Filing date | Oct 18, 1995 |
| Grant date | Jul 13, 1999 |
| Priority date | — |
| Expiry date | Oct 18, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S707/99933
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A file retrieval apparatus and method for retrieving a desired file out of a plurality of files stored in a storage medium. Retrieval is made based on the files, information on correspondence between the files and keywords, and attribute information of the keywords, to find a file that corresponds to an input keyword. When displaying the retrieved results in form of a list, a file a user most desires is displayed at the top of the list, and keywords located at lower levels of hierarchical keywords are also displayed as retrieval objects.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.