Keyphrases
- constraint satisfaction
- search algorithm
- dependency directed backtracking
- early warning
- search space
- constraint propagation
- conflict directed
- national security
- search tree
- case study
- social networks
- tree search
- emergency response
- data sets
- real time
- decision support system
- heuristic search
- web services
- risk management
- risk assessment
- information retrieval
- real world