Keyphrases
- database
- view selection
- query processing
- query evaluation
- response time
- multiple views
- data structure
- query rewriting
- semistructured databases
- query formulation
- query terms
- database queries
- range queries
- vector space
- user queries
- user defined
- materialized views
- user interaction
- efficient processing
- multi view
- query containment
- web search
- query complexity
- similarity measure