Yahoo patents granted on 09 December 2008

5 US patents granted on 09 December 2008 and assigned to Yahoo

1 7,464,293 System and method for automated recovery after an error in a batch processing system caused by malformatted or unsupported data
2 7,464,247 System and method for updating data in a distributed column chunk data store
3 7,464,086 Metatag-based datamining
4 7,464,079 System and method for influencing a position on a search result list generated by a computer network search engine
5 7,464,020 Visibly distinguishing portions of compound words