## ABSTRACT

Generated Content . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 1.4 Goals of the Book . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 1.5 User Generated Content: Concepts and Bottlenecks . . . . . . . . . . . . 11 1.6 Organization of the Book . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 1.7 Mining User Generated Content: Broader Context . . . . . . . . . . . . . . 17

Joseph Carl Robnett Licklider formulated the earliest ideas of a global computer network in August 1962,1 known as the Galactic Network. He explained it as a set of computers that would be globally inter connected so

people could access data or programs when they wanted, which contained almost everything that the Internet is today.