Keyphrases
- user profiles
- personalized search
- personalized web search
- information filtering
- user profiling
- user preferences
- user modeling
- recommender systems
- web mining
- query expansion
- user interests
- collaborative filtering
- concept hierarchy
- query processing
- relevance feedback
- search engine query logs
- user model
- response time
- retrieval systems
- web personalization
- personalized information
- search history
- keywords
- user feedback
- search queries
- user queries
- search engine
- query terms
- user interaction