Keyphrases
- query language
- range queries
- database queries
- response time
- user queries
- query processing
- efficient processing
- query evaluation
- pre computed
- user defined
- web search engines
- query logs
- search queries
- data sources
- web queries
- aggregate queries
- answering queries
- retrieval systems
- region of interest
- multi dimensional
- knn
- inverted index
- xml documents