Keyphrases
- user modelling
- personal data
- personal information
- privacy preserving
- user model
- privacy protection
- service providers
- information retrieval systems
- data collection
- data protection
- protection mechanisms
- information retrieval
- identity theft
- third party
- privacy concerns
- recommender systems
- data privacy
- sensitive data
- user oriented
- web search
- user profiles
- data analysis
- sensitive information