Keyphrases
- road network
- spatial networks
- spatial queries
- path queries
- fastest path
- uncertain trajectories
- shortest path
- query point
- moving objects
- objects moving
- travel time
- route planning
- user queries
- efficient processing
- trip planning
- spatial databases
- query language
- query processing
- k nearest neighbor
- nearest neighbor
- location based services
- transportation networks
- spatial data
- mobile objects
- road segments
- web search engines
- query types
- spatio temporal
- traffic data
- moving objects databases
- range queries
- multiple queries
- traffic congestion
- r tree