Nowadays, social networks have been used widely. They help people communicate with
family, friends or colleagues easily. However, they are lack of effective protection and …

Social networks are online platforms where users form relationships with others by sharing
resources. Access control for these social networks is different from other systems as it fulfills …

Over the past several decades, the number of peopleusing online social networks for public
relations or sharingdocuments have increased significantly. This worldwide use ofsocial …

In recent years, millions of people are connected on social networks. Social networks have
become an excellent platform for sharing information and communication that reflects real …

As the amount of data being collected by service providers increases, privacy concerns
increase for the data owners that must provide private data to get services. Legislative acts …

Secure and fine-grained access control could hardly be guaranteed in today's centralized
social networks which imply to totally delegate to the social networking management system …

Recently, people spend plenty of times daily in social network activities, hence a large
amount of information is created by people which move up a number of privacy and security …

Social Networks were created to allow users to maintain circles of friends and
acquaintances. Over time, they have come to be used to share data objects such as pictures …

Current rapid increasing implementations in data diversity, autonomy and dynamic privilege
management, fine-grained access control in social networks have resulted in various …

With the rapid development of the new generation of information technology, the analysis of
mobile social network big data is getting deeper and deeper. At the same time, the risk of …