4Vickery G, Wunsch-Vineent S. Participative Web and User-Created Content : Web 2.0, Wikis and Social Networking. Paris : OCDE Publishing, 2007 : 1- 124.
5Jessica D. Meet Generation C: creatively connecting through content. EContent, 2007, 30(4):38-43.
6Chudnov D. Social software: you are an access point. Computers in Libraries, 2007, 27(8) :41 -43.
7Karahasanovi A, Brandtzag P B, Helm J, et al. Co-creation and user-generated content-elderly people' s user requirements. Computers in Human Behavior,2008 (10) :655 - 678.
8Krishnamurthy S, Dou W. Advertising with User-Generated Content : A Framework and Research Agenda . [ 2009 - 03 - 02 ]. http ://www. jiad. org/article99.
9Shim Y H, Cho J Y, Kim K Y, et al. Influencing Factors on the Evolution of User Created Content Based on Meta Analysis// Proceedings of the 2008 International Conference on Advanced Language Processing and Web Information Technology: Washington, DC : IEEE Computer Society,2008 : 251 - 256.
10Werts C E. The thesaurus challenge . Information Outlook ,2008,12 (3) :30 -37.
