Yahoo patents granted on 27 November 2012

4 US patents granted on 27 November 2012 and assigned to Yahoo

1 8,321,873 System and method for offline data generation for online system analysis
2 8,321,280 Demand forecasting system and method for online advertisements
3 8,321,275 Advertiser reporting system and method in a networked database search system
4 8,321,274 Advertiser alerting system and method in a networked database search system