Keyphrases
- query language
- query processing
- data streams
- theoretical framework
- query evaluation
- web search engines
- query formulation
- range queries
- user queries
- processing queries
- efficient processing
- database
- sliding window
- retrieval systems
- query logs
- data sources
- continuous stream
- computational model
- information retrieval systems
- query answering
- multi dimensional
- nearest neighbor
- general theory
- answering queries