Keyphrases
- database
- high quality
- relevance feedback
- query evaluation
- processing cost
- query formulation
- database queries
- search queries
- query expansion
- data structure
- data sources
- response time
- range queries
- probabilistic model
- data objects
- query processing
- efficient processing
- object retrieval
- search experience
- co occurrence
- quality measures
- query execution
- boolean queries
- search quality
- neural network