Yahoo patent applications published on 18 December 2008

4 US patent applications published on 18 December 2008 and assigned to Yahoo

1 20080313570 METHOD AND SYSTEM FOR MEDIA LANDMARK IDENTIFICATION
2 20080313541 METHOD AND SYSTEM FOR PERSONALIZED SEGMENTATION AND INDEXING OF MEDIA
3 20080313227 METHOD AND SYSTEM FOR MEDIA-BASED EVENT GENERATION
4 20080311934 MOBILE CONTEXTUAL SMS ADVERTISING