Collaborative privacy management in P2P online social networks

摘要: Online Social Networks (OSNs) have become widely popular in recent years. In spite of users' interest to join OSNs, sharing vast amounts personal information and resources these networks might result privacy issues for them. the centralized access control policies defined by users are enforced OSN providers. Moreover, as shared stored providers, they can To avoid such problems, various architectures decentralized OSNs proposed. But proposed P2P yet do not support any mechanism collaborative management on content. By increasing amount photos which is friends or family members, a user does depend him anymore. this case, should be able collaborate accessibility all belong paper, using secret scheme, we propose model tagged content define policy it. Based parameters sensitivity scores each controller, an aggregated assigned resource. best our knowledge first time has been based OSNs. Additionally, demonstrate applicability prototype implemented.