Yahoo patent applications published on 01 December 2011

4 US patent applications published on 01 December 2011 and assigned to Yahoo

1 20110295877 SYSTEM AND METHOD FOR ONLINE HANDWRITING RECOGNITION IN WEB QUERIES
2 20110295776 RESEARCH MISSION IDENTIFICATION
3 20110295682 OPTIMIZED SEARCH RESULT COLUMNS ON SEARCH RESULTS PAGES
4 20110295593 AUTOMATED MESSAGE ATTACHMENT LABELING USING FEATURE SELECTION IN MESSAGE CONTENT