Yahoo patents granted on 08 June 2010

4 US patents granted on 08 June 2010 and assigned to Yahoo

1 7,734,730 Content distribution system for operation over an internetwork including content peering arrangements
2 7,734,629 System and method using hierachical clustering for evolutionary clustering of sequential data sets
3 7,734,565 Query string matching method and apparatus
4 7,734,412 Method of client side map rendering with tiled vector data