Keyphrases
- query processing
- query language
- distributed systems
- user queries
- distributed query processing
- distributed environment
- web search engines
- data sources
- response time
- query evaluation
- complex queries
- search queries
- query logs
- range queries
- database
- efficient processing
- peer to peer
- cooperative
- distributed data
- distributed information retrieval
- retrieval systems
- distributed database systems
- communication cost
- data objects
- index structure
- data model
- search engine