Estimating the date relevance of a query from query logs
US7966341B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 6, 2007 |
| Grant date | Jun 21, 2011 |
| Priority date | — |
| Expiry date | Jun 10, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/2477
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Techniques are provided maintaining data that indicates for a plurality of query terms whether the plurality of query terms are date-qualified query terms. A query is received, and in response to receiving the query, the query is inspected to determine that the query contains a particular date-qualified query term. Then it is determined that the particular date-qualified query term has been associated with a plurality of dates, and it is determined which of the plurality of dates with which to associate the date-qualified query term for the query, based at least in part on the frequency with which each particular date of the plurality of dates has been associated with the particular date-qualified query term.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.