Keyphrases
- query formulation
- geographical locations
- query language
- recommender systems
- query interface
- user requests
- result set
- collaborative web search
- search logs
- query suggestion
- keyword queries
- query refinement
- geographic information
- user queries
- response time
- query processing
- user interface
- query patterns
- user interaction
- information sources
- end users
- query recommendation
- user feedback
- search interface
- database
- collaborative filtering
- search engine
- query evaluation
- web search engines
- relevance ranking
- data sources
- entity search
- social media