Quadtree-Based Adaptive Spatial Decomposition for Range Queries Under Local Differential Privacy.
Huiwei WangYaqian HuangHuaqing LiPublished in: IEEE Trans. Emerg. Top. Comput. (2023)
Keyphrases
- quadtree
- range queries
- differential privacy
- spatial databases
- differentially private
- spatial queries
- spatial objects
- index structure
- multi dimensional
- data structure
- r tree
- tree structure
- multiresolution
- privacy preserving
- quad trees
- query processing
- knn
- image representation
- spatial data
- personal information
- data sharing
- data privacy
- information retrieval
- machine learning
- peer to peer
- privacy preservation
- data model
- database systems
- computer vision