Yahoo patents granted on 27 December 2011

5 US patents granted on 27 December 2011 and assigned to Yahoo

1 8,087,033 Task-based tool for speeding and customizing interactions with web documents
2 8,086,700 Region and duration uniform resource identifiers (URI) for media objects
3 8,086,605 Search engine with augmented relevance ranking by community participation
4 8,086,543 Charity auctions on social networks for optimizing contributions to fundraising campaigns
5 8,086,048 System to compile landmark image search results