Adjusting ranking of search results based on utility
US9223897B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | May 26, 2011 |
| Grant date | Dec 29, 2015 |
| Priority date | — |
| Expiry date | May 9, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/951
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method includes obtaining a rank position map, the rank position map specifying, for a plurality of rank positions, an expected utility rate for a document presented at particular rank positions as a search result; determining an expected utility rate, for a particular document, based on the obtained rank position map, and based on a quantity of times that the particular document was presented as a search result at particular rank positions; determining an actual utility rate for the particular document based on an actual quantity of selections of the particular document, and based on a total quantity of times that the particular document was presented as a search result; calculating a correction factor, for the particular document, based on the determined expected utility rate and the determined actual utility rate; and adjusting a score of the particular document based on the correction factor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.