Keyphrases
- road network
- path queries
- spatial queries
- shortest path
- fastest path
- trip planning
- travel time
- location based services
- moving objects
- uncertain trajectories
- spatial databases
- spatial networks
- query expansion
- query processing
- route planning
- user queries
- data structure
- transportation networks
- query evaluation
- range queries
- traffic data
- geographic information systems
- high dimensional
- spatial data
- complex queries
- query execution