Yahoo patents granted on 12 October 2010

5 US patents granted on 12 October 2010 and assigned to Yahoo

1 7,814,513 Video channel creation systems and methods
2 7,814,109 Automatic categorization of network events
3 7,814,097 Discovering alternative spellings through co-occurrence
4 7,814,096 Query based search engine
5 7,814,086 System and method for determining semantically related terms based on sequences of search queries