Efficiently Evaluating Range-Constrained Spatial Keyword Query on Road Networks.
Wengen LiJihong GuanShuigeng ZhouPublished in: DASFAA Workshops (2014)
Keyphrases
- road network
- spatial networks
- spatial databases
- keyword queries
- spatial queries
- geographic information systems
- shortest path
- travel time
- keyword search
- moving objects
- spatial data
- spatio temporal
- spatial objects
- metric space
- image retrieval
- road segments
- keywords
- keyword search in relational databases
- semi structured
- graph structure
- information access
- k nearest neighbor