Dynamic query expansion
US6411950B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 30, 1998 |
| Grant date | Jun 25, 2002 |
| Priority date | — |
| Expiry date | Nov 30, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S707/99935
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A dynamic search result refinement for refining a general search query into a more specific search query. For a general search query, a user is presented with a list of more specific queries. The entries in the list selected from a log-file of queries according to the index frequency of each query. The user can choose a new query from the list of more specific queries and run a database search. The user also has the option to be presented with a list of even more specific queries based on the chosen query and to have a database search run with one of these queries.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.