Yahoo patent applications published on 22 October 2009

8 US patent applications published on 22 October 2009 and assigned to Yahoo

1 20090265631 SYSTEM AND METHOD FOR A USER INTERFACE TO NAVIGATE A COLLECTION OF TAGS LABELING CONTENT
2 20090265611 WEB PAGE LAYOUT OPTIMIZATION USING SECTION IMPORTANCE
3 20090265315 SYSTEM AND METHOD FOR CLASSIFYING TAGS OF CONTENT USING A HYPERLINKED CORPUS OF CLASSIFIED WEB PAGES
4 20090265303 IDENTIFYING SUPERPHRASES OF TEXT STRINGS
5 20090265290 OPTIMIZING RANKING FUNCTIONS USING CLICK DATA
6 20090265230 RANKING USING WORD OVERLAP AND CORRELATION FEATURES
7 20090265227 Methods for Advertisement Display Policy Exploration
8 20090263014 CONTENT FINGERPRINTING FOR VIDEO AND/OR IMAGE