Keyphrases
- public health
- geographic information systems
- national security
- geographical information systems
- infectious disease
- databases
- policy makers
- spatial data
- spatial reasoning
- information systems
- spatial databases
- severe acute respiratory syndrome
- health information
- homeland security
- road network
- remote sensing
- peer to peer
- information technology
- geospatial data
- data modeling
- spatial analysis
- data model
- information retrieval