Intelligent identification of close friends is the mainstream approach to protect users' multi-
dimensional data in the social metaverse. It provides a fine-grained matching service for …

为了保护用户在移动社交网络中的个人信息和交友偏好等隐私, 该文提出支持外包解密的基于密
文策略的属性基加密(CP-ABE) 方案. 在该方案中, 将用户的交友偏好和自我描述分别生成属性 …

Bilateral friend queries have attracted increasing interest in social networks, as each user
has a common requirement to specify a policy for the other. However, existing bilateral friend …

Attribute network anomaly detection has attracted growing interest in recent years, which
aims to separate the points whose behavior is clearly different from others. The complex …

personal information and friend preferences in social networks, a Ciphertext-Policy Attribute
Based Encryption (CP-ABE) scheme that supports outsourced decryption is proposed. In this …

In mobile social networks, users can easily communicate with others through smart devices.
Therefore, the protection of user privacy in social networks is becoming a significant subject …

With the development of cloud computing technology, cloud services have been used by
more and more traditional applications and products because of their unique advantages …

Access control can effectively protect users' data and privacy in social networks. Different
access control models address different data privacy requirements, and the corresponding …