Customizable position privacy protection method and system based on user portrait
A privacy protection and user privacy technology, applied in the field of customizable location privacy protection methods and systems based on user portraits, can solve the problems of lack of self-adaptation, low data availability, leakage of user sensitive information, etc. Control and enhance the effect of personalized experience
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Embodiment 1
[0059] Example 1, as figure 1 As shown, a customizable location privacy protection method based on user portraits aims to realize customized dynamic protection of user location data, solve the problem of the leakage of user sensitive location information that cannot be effectively solved in the actual location social network environment, and improve the user's personalized experience. At the same time, the Merkle hash tree is used to ensure that the location data is not tampered with during the transmission process, which improves the reliability and controllability of the system. The specific steps are as follows:
[0060] Step 1: Build a decentralized communication network that physically isolates the user's location from the location server; four types of nodes are involved in the process of user location data transmission: user node, relay node, miner node and server. like image 3 The specific process is as follows: the user first broadcasts the network communication r...
Embodiment 2
[0092] Embodiment 2, a customizable location privacy protection system based on user portrait, including a decentralized communication network module, a stop point detection module, a user basic attribute portrait module, a user curiosity intensity portrait module, a server recommendation privacy protection intensity module and Dynamic adjustment module on the local side.
[0093] The decentralized communication network module is used to physically isolate the user's location from the location server;
[0094] The stop point detection module is used to obtain the stop point position in the user's movement trajectory;
[0095] The user basic attribute portrait module is used to extract the basic attributes of the user;
[0096] The user curiosity intensity profile module is used to extract the user's personalized curiosity intensity;
[0097] The server recommending privacy protection strength module is used for the location server to recommend privacy protection strength for...
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