Ashalata Nayak, Security aspects in social network - A rough set approach
Social networks come in many different facets. Some are strong in a particular geographic location like Orkut in Brazil, VKontakte in Rus¬sia, or Mixi in Japan. Others are well known globally, like Facebook and Twitter. Depending on the user base, there are specialized or focused groups LinkedIn and Xing have a business-oriented focus enabling people to share business contacts and job offerings.