Keyphrases
- aggregate queries
- databases
- approximate query answering
- data cube
- efficient computation
- query processing
- probabilistic xml
- aggregation functions
- probabilistic databases
- database
- data warehouse
- multi dimensional
- aggregate functions
- knowledge discovery
- query answers
- high dimensional
- data sources
- data model
- relational databases
- approximate answers
- data structure
- database systems
- relational model
- metadata