Enabling secure and efficient kNN query processing over encrypted spatial data in the cloud.
Xiang ChengSen SuYiping TengKe XiaoPublished in: Secur. Commun. Networks (2015)
Keyphrases
- spatial data
- knn
- spatial queries
- k nearest neighbor
- spatial query processing
- r tree
- query processing
- spatial databases
- range queries
- nearest neighbor
- spatial objects
- similarity search
- spatial data mining
- spatial index
- database systems
- semantic caching
- distance computation
- geographic information systems
- refinement step
- geo spatial
- geospatial data
- k nearest neighbour
- text classification
- geographical information systems
- spatial data management
- knn algorithm
- efficient processing
- distance function
- location based services
- index structure
- cost model
- data management
- spatial database systems
- xml data
- knn classifier
- multi dimensional
- support vector machine
- data analysis
- neural network