Information regarding a mobile user's context including but not limited to current mobile activity, social relations and associations history, and past mobile, search and browsing history is identified and converted to metadata. Metadata is also applied to content sources delivering content to a search...http://www.google.de/patents/US20090234814?utm_source=gb-gplus-sharePatent US20090234814 - Configuring a search engine results page with environment-specific information
