Answering aggregate queries in data exchange.
Foto N. AfratiPhokion G. KolaitisPublished in: PODS (2008)
Keyphrases
- data exchange
- aggregate queries
- query answering
- approximate answers
- range aggregate queries
- data cube
- query processing
- data management
- schema mappings
- data integration
- answering queries
- conjunctive queries
- aggregation functions
- query answers
- efficient computation
- data complexity
- xml queries
- probabilistic databases
- multi dimensional
- xml schema
- query optimization
- aggregate functions
- database
- data structure
- range queries
- knowledge discovery
- metadata
- privacy preserving