Countering overlapping rectangle privacy attack for moving kNN queries.
Tanzima HashemLars KulikRui ZhangPublished in: Inf. Syst. (2013)
Keyphrases
- knn
- k nearest neighbor
- range queries
- nearest neighbor
- spatial networks
- text categorization
- distance function
- sequential scan
- k nearest neighbour
- feature selection
- privacy preserving
- support vector machine svm
- support vector machine
- security risks
- classification algorithm
- query processing
- statistical databases
- classification method
- database queries
- neural network
- moving objects
- text classification
- knn algorithm
- similarity search
- knn classification
- metric space
- distance computation
- query point
- refinement step
- hierarchical document clustering