Review of Social Networks and On-Line Web Communities

Due to multifaceted dimensions of client server based Web technologies, new medium of linking people has emerged via social networks for collaboration in several on-line communities. Social networking sites are basically a shift between the public and private information. Nowadays 1.5 billion people across the world have their profiles in online social networking sites. WWW has become the single largest source of information since online social networking sites. The structure of this paper is framed into five sections. Section-I presents the background and introduction related to the social network and on-line Web communities, section- II describes the use of general concepts, network models and network graph for analyzing the taxonomy and techniques used in social networks, section-III reviews the related literature work about online social network and on-line Web communities, section-IV investigates the positive and negative aspects of online social network , and finally section-V provides the conclusion of the social networks. In this paper an attempt has been made to review and discover the techniques to investigate the users' behavior on the social networks.