Keyphrases
- web search
- search engine
- privacy preserving
- personal information
- web pages
- privacy protection
- search queries
- web search engines
- private data
- privacy preservation
- query logs
- web information retrieval
- sensitive information
- private information
- security issues
- privacy issues
- data mining
- location privacy
- enterprise search
- ad hoc retrieval
- search logs
- privacy preserving data mining
- privacy concerns
- search result
- third party
- mobile learning