Signature-Based Secure Trajectory Similarity Search.
Yiping TengZhan ShiFanyou ZhaoGuohui DingLi XuChunlong FanPublished in: TrustCom (2021)
Keyphrases
- similarity search
- uncertain trajectories
- metric space
- multimedia databases
- high dimensional
- similarity measure
- distance function
- high dimensional data
- trajectory data
- indexing techniques
- query processing
- similarity searching
- knn
- triangle inequality
- similarity queries
- similarity retrieval
- efficient similarity search
- data sets
- hash functions
- indexing structure
- distance computation
- multimodal data
- dynamic time warping
- r tree
- metric access methods
- approximate similarity search
- similarity search in metric spaces
- efficient indexing
- data structure
- decision trees
- multimedia
- feature selection