Yahoo patents granted on 15 March 2011

8 US patents granted on 15 March 2011 and assigned to Yahoo

1 7,908,556 Method and system for media landmark identification
2 7,908,363 Call limiter for web services
3 7,908,289 System and method for providing an improved graphical user interface for search
4 7,908,270 System and method for managing access to media assets
5 7,908,249 Closed-loop feedback control system for online services
6 7,908,239 System for storing event data using a sum calculator that sums the cubes and squares of events
7 7,908,238 Prediction engines using probability tree and computing node probabilities for the probability tree
8 7,908,234 Systems and methods of predicting resource usefulness using universal resource locators including counting the number of times URL features occur in training data