Filtering system for providing personalized information in the absence of negative data
US7890505B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | May 22, 2009 |
| Grant date | Feb 15, 2011 |
| Priority date | — |
| Expiry date | Aug 8, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S707/99937
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Systems and methods are provided for creating an advertising profile and selecting advertisements for a user. In accordance with certain implementations, information is accessed indicating which documents were selected by a user. At least one positive word vector is generated using words contained in at least one of the selected documents, and at least one negative word vector is generated using words contained in at least one of the unselected documents. Document word vectors are generated, and a document rank order is established based on a vector space relationship analysis. Categories associated with the documents are ranked based on the document rank order, and an advertising profile comprising the ranked categories is created. Advertising material may then be selected based on the advertising profile for the user.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.