Query-aware location anonymization for road networks.
Chi-Yin ChowMohamed F. MokbelJie BaoXuan LiuPublished in: GeoInformatica (2011)
Keyphrases
- road network
- location based services
- path queries
- spatial queries
- shortest path
- fastest path
- travel time
- trip planning
- location information
- transportation networks
- spatial networks
- query processing
- query point
- spatial databases
- route planning
- user queries
- range queries
- uncertain trajectories
- mobile objects
- privacy preserving
- data structure
- moving objects
- query expansion
- efficient processing
- traffic data
- traffic conditions
- complex queries
- query evaluation
- query result
- spatio temporal
- spatial objects
- search engine
- map matching
- geographic information systems
- k nearest neighbor
- query optimization