Proceedings of the 22nd international conference on World Wide Web

It is our great pleasure to welcome you to the 22nd International World Wide Web Conference -- WWW 2013. The WWW Conference series has been held almost since the creation of the WWW itself, having become the premier forum where key researchers, innovators, decision-makers, technologists, businesses, and standards bodies meet to present their latest works and ideas, and discuss their vision for how the WWW will evolve -- often as a direct result of their own actions and initiatives. The conference series is organized by the International World Wide Web Conferences Steering Committee (IW3C2) in collaboration with Local Organizing Committees and Technical Program Committees. This year the conference is being held…