SKQAI: A novel air index for spatial keyword query processing in road networks.
Yanhong LiGuohui LiJianjun LiKai YaoPublished in: Inf. Sci. (2018)
Keyphrases
- road network
- query processing
- index structure
- path queries
- inverted index
- spatial queries
- shortest path
- inverted file
- travel time
- r tree
- moving objects
- range queries
- b tree
- spatial databases
- spatial networks
- similarity search
- main memory
- road segments
- location based services
- query evaluation
- multi dimensional
- database systems
- data management
- xml query processing
- data structure
- xml data
- indexing structure
- access methods
- nearest neighbor
- database
- continuous queries
- indexing method
- cost model
- information retrieval systems
- computer vision