Keyphrases
Differential Privacy
100%
Spatial Trajectory
100%
Privacy Guarantees
100%
Data Utility
100%
Frequency-based Approach
100%
Trajectory Data
100%
Design Search
50%
User Re-identification
50%
Trajectory Privacy
50%
Laplace Noise
50%
Trajectory Data Publishing
50%
Pruning Strategy
50%
Privacy Protection
50%
Location-based Services
50%
Privacy-preserving
50%
Global-local
50%
Performance Efficiency
50%
KNN Search
50%
Individual Privacy
50%
Hierarchical Index
50%
Large-scale Data
50%
Privacy Data
50%
Randomization Model
50%
Frequency Distribution
50%
Temporal Coverage
50%
Trajectory Modification
50%
Global Frequency
50%
Search Problems
50%
Randomized Mechanism
50%
Computational Efficiency
50%
Re-identification
50%
Search Algorithm
50%
Computer Science
Differential Privacy
100%
Trajectory Data
100%
Reidentification
66%
Privacy Protection
66%
Computational Efficiency
33%
Individual Privacy
33%
Location-Based Service
33%
Privacy Preserving
33%
Large Scale Data
33%
Searching Algorithm
33%
