Keyphrases
- spatial data
- electronic markets
- electronic commerce
- spatial databases
- business models
- spatial data mining
- electronic business
- brokerage services
- geographic information systems
- data analysis
- spatial objects
- r tree
- key factors
- geospatial data
- spatial queries
- spatial database systems
- spatial data management
- geo spatial
- geographic data
- electronic marketplaces
- location based services
- spatial index
- geographical information systems
- geographical information
- spatial relationships
- geographic information
- vector data
- shortest path
- spatial clustering
- cloud computing
- clustering method
- spatial access methods
- database systems
- real world
- databases