Optimizing Queries in Distributed and Composable Mediators.
Vanja JosifovskiTimour KatchaounovTore RischPublished in: CoopIS (1999)
Keyphrases
- data sources
- multi agent
- distributed systems
- cooperative
- efficient processing
- query evaluation
- query processing
- distributed information retrieval
- database queries
- database
- complex queries
- response time
- peer to peer
- lightweight
- distributed query processing
- distributed environment
- query language
- distributed data
- answering queries
- sensor networks
- range queries
- search queries
- boolean queries
- user queries
- communication cost
- computing environments
- query logs
- computer networks
- retrieval systems
- web search engines
- privacy preserving
- query expansion
- web search
- data model
- information retrieval
- databases