Keyphrases
- user queries
- relevance feedback
- user interaction
- query formulation
- user defined
- user intent
- ambiguous queries
- database
- query refinement
- query suggestion
- response time
- retrieval process
- user interface
- query logs
- web search engines
- user experience
- keyword queries
- initial query
- result set
- user specifies
- end users
- query evaluation
- search engine
- potentially relevant
- user requests
- keywords
- data structure
- search terms
- correct answers
- query processing
- query expansion
- user feedback
- query reformulation
- recommender systems
- multiple queries
- user profiles
- web queries
- original query
- information extraction
- information retrieval systems
- document relevance
- natural language queries
- search history
- database systems
- user behavior