Snapshot location-based query processing on moving objects in road networks.
Haojun WangRoger ZimmermannPublished in: GIS (2008)
Keyphrases
- road network
- moving objects
- location based services
- query processing
- spatial queries
- travel time
- spatio temporal
- uncertain trajectories
- query optimization
- shortest path
- road segments
- background subtraction
- database systems
- transportation networks
- video surveillance
- trajectory data
- spatial networks
- r tree
- similarity search
- location information
- mobile environments
- range queries
- moving object databases
- spatial databases
- efficient processing
- route planning
- data management
- video sequences
- cost model
- detection algorithm
- index structure
- trajectories of moving objects
- traffic conditions
- image sequences
- query execution
- geographic information systems
- spatio temporal data
- xml data
- knn
- query result
- motion segmentation
- distance function
- path queries
- k nearest neighbor
- objects moving
- multi dimensional