Keyphrases
Frequency-based Approach
100%
Differential Privacy
100%
Spatial Trajectory
100%
Data Utility
100%
Privacy Guarantees
100%
Location-based Services
50%
Daily Life
50%
Global-local
50%
Search Algorithm
50%
Hierarchical Index
50%
Frequency Distribution
50%
GPS Devices
50%
Privacy Protection
50%
Privacy Data
50%
Trajectory Data
50%
Trajectory Dataset
50%
Global Frequency
50%
Personal Privacy
50%
Trajectory Data Publishing
50%
Laplace Noise
50%
Randomized Mechanism
50%
Trajectory Modification
50%
Randomization Model
50%
Trajectory Anonymization
50%
Personally Identifying Information
50%
Real-world Trajectory
50%
Re-identification
50%
Computer Science
Differential Privacy
100%
Trajectory Data
100%
Privacy Protection
50%
Location-Based Service
50%
Searching Algorithm
50%
Reidentification
50%
Personal Privacy
50%
Identifying Information
50%
Anonymization
50%
Global Positioning System
50%