Yahoo patent applications published on 28 October 2010

4 US patent applications published on 28 October 2010 and assigned to Yahoo

1 20100275250 ACCOUNT RECOVERY VIA AGING OF ACCOUNT DATA POINTS
2 20100274887 System and Method for Recommending Personalized Identifiers
3 20100274795 METHOD AND SYSTEM FOR IMPLEMENTING A COMPOSITE DATABASE
4 20100274770 TRANSDUCTIVE APPROACH TO CATEGORY-SPECIFIC RECORD ATTRIBUTE EXTRACTION