eSPAK: Top-K Spatial Keyword Query Processing in Directed Road Networks.
Muhammad AttiqueAwais KhanTae-Sun ChungPublished in: EDBT/ICDT Workshops (2017)
Keyphrases
- query processing
- road network
- shortest path
- travel time
- moving objects
- data management
- spatial queries
- database systems
- efficient processing
- index structure
- r tree
- location based services
- spatial networks
- query evaluation
- road segments
- cost model
- range queries
- similarity search
- xml data
- query result
- relational databases
- user queries
- join algorithms
- databases
- search engine