EPGQ: Efficient and Private Feature-Based Group Nearest Neighbor Query Over Road Networks.
Yunguo GuanRongxing LuYandong ZhengSongnian ZhangJun ShaoGuiyi WeiPublished in: IEEE Internet Things J. (2022)
Keyphrases
- road network
- nearest neighbor
- query point
- path queries
- spatial queries
- uncertain trajectories
- shortest path
- nearest neighbor search
- travel time
- moving objects
- xml query processing
- k nearest neighbor
- knn
- query processing
- data structure
- query evaluation
- distance function
- spatial databases
- high dimensional data
- cost model
- location based services
- similarity search
- efficient processing
- query plan
- transportation networks
- queries involving
- query language