Keyphrases
- road network
- nearest neighbor
- nearest neighbor search
- k nearest neighbor
- shortest path
- knn
- moving objects
- travel time
- transportation networks
- high dimensional data
- query optimization
- route planning
- location based services
- join algorithms
- distance function
- spatial networks
- query evaluation
- traffic data
- geographic information systems
- spatial databases
- training set
- trajectory data
- uncertain trajectories
- sql queries
- traffic conditions
- high dimensional
- data points
- road segments
- map matching
- spatial queries
- index structure