Keyphrases
- database
- query processing
- user queries
- relevance feedback
- response time
- query evaluation
- data sources
- query formulation
- neural network
- range queries
- efficient processing
- query expansion
- query optimization
- object retrieval
- data structure
- search queries
- complex queries
- join operator
- query execution
- database queries
- indexing techniques
- data objects
- attribute values
- random variables
- peer to peer
- data management