Keyphrases
- privacy protection
- peer group
- personalized web search
- web search
- privacy preserving
- user profiles
- data sharing
- social tagging
- information loss
- sensitive information
- statistical databases
- private information
- impulsive noise
- parameter selection
- data collection
- query expansion
- personalized search
- image processing
- color images
- digital libraries
- high dimensional
- search engine
- peer to peer
- information retrieval systems
- data model