Keyphrases
- high precision
- high recall
- database
- response time
- high reliability
- query processing
- relevance feedback
- achieve high precision
- data structure
- user queries
- ambiguous queries
- query intent
- query formulation
- tens of thousands
- query expansion
- high accuracy
- query interface
- web queries
- query execution
- search queries
- query evaluation
- user interaction
- query suggestion
- user intent
- keyword search
- result set
- retrieval method
- database queries
- indexing techniques
- range queries
- user defined
- retrieval systems
- keywords
- information retrieval
- databases