高级持续性威胁(APT, advanced persistent threat) 已成为高安全等级网络的最主要威胁之一,
其极**的针对性, 伪装性和阶段性使传统检测技术无法有效识别, 因此新型攻击检测技术成为 …

Advanced persistent threats have become the major threats of highly protected networks.
Traditional detecting technologies were not able to find out APT attacks which were targeted …

Online social network (OSN) has become one of the primary means of interaction and digital
information sharing among individuals. Preserving information privacy is indispensable in …

Improving trust in social networks appears as the first step toward addressing the existing
confidence and privacy concerns related to online social networks. Direct trust is used to …

Online social networking site is a platform, where a person can communicate with others by
creating his own profile. Lots of contents (eg, photos, videos, etc.) are being generated every …

Participation in social networking sites has dramatically increased in recent years. Users on
social networking sites spend lots of time generating large quantities of various personal …

Nowadays, social networks are attracting more and more users. These social network
subscribers may share personal and sensitive information with a large number of possibly …

Dans de nombreux cas d'études concrets, l'analyse de données sur les graphes n'est pas
limitée à la seule connaissance du graphe. Il est courant que des informations …

The reachability problem on directed graphs, asking whether two vertices are connected via
a directed path, is an elementary problem that has been well-studied. In this paper, we study …

Users share data on multiple platforms where access control is managed according to the
platform-specific policy. However, some data is conceptually owned by peers in a manner …