Use of generalized term frequency scores in information retrieval systems
US7725424B1 · kind B1 · utility
22Cited by
161References
38Claims
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Key dates
| Filing date | Nov 4, 2002 |
| Grant date | May 25, 2010 |
| Priority date | — |
| Expiry date | Jun 13, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S707/99945
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Disclosed are methods and systems for selecting electronic documents, such as Web pages or sites, from among documents in a collection, based upon the occurrence of selected terms in segments of the documents. The method may be applied where index terms have previously been assigned to the documents. The method may be used to select supercategories of banner advertisements from which to choose an advertisement to display for a user.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.