Yahoo patents granted on 18 March 2014

7 US patents granted on 18 March 2014 and assigned to Yahoo

1 8,676,961 System and method for web destination profiling
2 8,676,887 Social news forwarding to generate interest clusters
3 8,676,840 Network graph evolution rule generation
4 8,676,830 Keyword recommendation for internet search engines
5 8,676,827 Rare query expansion by web feature matching
6 8,676,814 Automatic face annotation of images contained in media content
7 8,676,634 Statistical credibility metric for online question answerers