Keyphrases
- database
- query answers
- query processing
- correct answers
- response time
- query evaluation
- query expansion
- natural language queries
- data sources
- answering queries
- natural language questions
- database queries
- user interaction
- user queries
- range queries
- structured queries
- neural network
- keyword queries
- data management
- keywords
- aggregate queries
- search engine
- database systems
- question answer
- data structure
- answer questions
- relevance feedback
- data warehouse
- vector space
- query formulation
- multi dimensional
- information retrieval systems
- search queries
- keyword search
- retrieval systems