Encrypted data inner product KNN secure query based on BALL-PB tree.
Huijie LiuJinsheng XingPublished in: Comput. Stand. Interfaces (2025)
Keyphrases
- knn
- k nearest neighbor
- range queries
- nearest neighbor
- r tree
- encryption scheme
- k nearest
- refinement step
- k nearest neighbour
- query processing
- database
- query point
- sensitive data
- similarity queries
- index structure
- knn algorithm
- similarity search
- homomorphic encryption
- distance function
- text classification
- data structure
- tree structure
- encrypted data
- security analysis
- b tree
- support vector machine
- data sources
- third party
- standard model
- privacy preserving
- encryption algorithm
- high dimensional data
- multi dimensional
- machine learning
- neural network