Group Top-k Spatial Keyword Query Processing in Road Networks.
Hermann B. EkomieKai YaoJianjun LiGuohui LiYanhong LiPublished in: DEXA (1) (2017)
Keyphrases
- query processing
- road network
- spatial queries
- shortest path
- moving objects
- location based services
- database systems
- efficient processing
- travel time
- similarity search
- index structure
- data management
- range queries
- query evaluation
- r tree
- spatial networks
- xml data
- user queries
- information retrieval systems
- multi dimensional
- road segments
- information retrieval