Attackers can use data analysis to learn about the user's regular habits if the current
trajectory data is shared and used without being processed. It will lead to the user's private …

In recent years, mobile Internet technology and location based services have wide
application. Application providers and users have accumulated huge amount of trajectory …

Now many applications of location data have facilitated people's daily life. However,
publishing location data may divulge individual sensitive information so as to influence …

Trajectory data often provides useful information that can be utilized in real-life applications,
such as traffic planning and location-based advertising. Because people's trajectory …

The existing location-based services have collected a large amount of user trajectory data,
and if these data are directly released without any processing, the user's personal privacy …

The high similarity between trajectories in anonymity set may lead to the trajectory privacy
leak. In order to solve the problem, a trajectory privacy preserving algorithm based on …

Trajectory data often provides information that is well applicable to real-world scenarios
such as traffic planning and location-based advertising. Individual trajectory information may …

The group relationship (Community Relation) contained in the trajectory data can be used
for hot spot exploration, community governance, and traffic diversion, which has broad …

A number of security and privacy challenges of cyber system are arising due to the rapidly
evolving scale and complexity of modern system and networks. The cyber system is a …

Analyzing trajectory data can provide people with a higher quality of life. However,
publishing trajectory data directly will leak privacy. The authors propose a trajectory data …