Keyphrases
- peer to peer networks
- hierarchical peer to peer networks
- peer to peer
- distributed environment
- trust model
- query routing
- resource selection
- trust negotiation
- peer to peer systems
- access control
- file sharing
- optimal solution
- simulated annealing
- knowledge discovery
- search algorithm
- partial match queries
- cooperative
- access control models
- virtual communities
- tabu search
- information retrieval