Keyphrases
- geographic information systems
- functional language
- databases
- expressive power
- geographical information systems
- language independent
- spatial data
- functional analysis
- spatial analysis
- data modeling
- remote sensing
- information retrieval
- spatiotemporal databases
- spatial data mining
- arabic language
- web gis
- google earth
- database
- rainfall runoff
- text summarization
- spatial databases
- road network
- object oriented
- database systems
- data sets