Keyphrases
- peer to peer networks
- recommendation systems
- peer to peer
- hierarchical peer to peer networks
- resource selection
- distributed environment
- recommender systems
- collaborative filtering
- user modeling
- query routing
- peer to peer systems
- partial match queries
- user preferences
- databases
- file sharing
- expert systems
- information sharing
- recommendation algorithms
- personalized recommendation
- cooperative
- database
- information retrieval
- web documents
- information extraction