Patent · US Active

Document scoring based on link-based criteria

US8407231B2 · kind B2 · utility

5Cited by

19References

20Claims

0Family size

Assignee

Google LLC · US

Inventors

Anurag Acharya · Campbell, US
Matt Cutts · Los Altos, US
Jeffrey Adgate Dean · Palo Alto, US
Paul Haahr · San Francisco, US
Monika H. Henzinger · Menlo Park, US
Steve Lawrence · Dallas, US
Karl Pfleger · Mountain View, US
Simon Tong · Mountain View, US

Key dates

Filing date	Oct 1, 2010
Grant date	Mar 26, 2013
Priority date	—
Expiry date	Oct 1, 2030

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S707/99933
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A method may include receiving a document and an initial score for the document; determining that there has been a decrease in a rate or quantity of new links that point to the document over time; classifying the document as stale in response to the determining; decreasing the initial score for the document, resulting in an updated score; and ranking the document with regard to at least one other document based, at least in part, on the score.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.