Direction-aware KNN queries for moving objects in a road network.
Tianyang DongYuan LuluQiang ChengBin CaoJing FanPublished in: World Wide Web (2019)
Keyphrases
- road network
- spatial networks
- knn
- moving objects
- k nearest neighbor
- uncertain trajectories
- spatial queries
- range queries
- fastest path
- travel time
- shortest path
- location based services
- nearest neighbor
- objects moving
- spatial databases
- text categorization
- distance function
- transportation networks
- traffic data
- background subtraction
- spatio temporal
- knn algorithm
- k nearest neighbour
- road segments
- video sequences
- trajectory data
- efficient processing
- image sequences
- map matching
- text classification
- spatio temporal databases
- similarity search
- query processing
- moving object trajectories
- metric space
- moving object databases
- training set