Yahoo patent applications published on 13 September 2012

3 US patent applications published on 13 September 2012 and assigned to Yahoo

1 20120233161 SEARCH ENGINE WITH AUGMENTED RELEVANCE RANKING BY COMMUNITY PARTICIPATION
2 20120233154 SEARCH SYSTEMS AND METHODS WITH INTEGRATION OF AGGREGATE USER ANNOTATIONS
3 20120233149 EFFICIENT PROCESSING OF BULK QUERIES TO DETERMINE THE AVAILABILITY OF RESOURCES