Location privacy-preserving k nearest neighbor query under user's preference.
Weiwei NiMingzhu GuXiao ChenPublished in: Knowl. Based Syst. (2016)
Keyphrases
- privacy preserving
- k nearest neighbor
- knn
- nearest neighbor
- spatial queries
- horizontally partitioned data
- user queries
- user preferences
- relevance feedback
- privacy preserving data mining
- range queries
- user privacy
- privacy preservation
- vertically partitioned data
- location information
- query point
- data privacy
- multi party
- sensitive information
- support vector machine
- location privacy
- query processing
- private information
- query suggestion
- privacy protection
- knn classifier
- neural network
- sensitive data
- scalar product
- feature selection
- search logs
- database
- privacy sensitive
- query expansion
- differential privacy
- data objects
- secure multiparty computation
- privacy issues
- similarity search
- search engine
- databases
- web search
- text classification
- privacy concerns
- index structure
- location based services