Improving estimation accuracy of aggregate queries on data cubes.
Elaheh PourabbasArie ShoshaniPublished in: DOLAP (2008)
Keyphrases
- data cube
- aggregate queries
- estimation accuracy
- multi dimensional
- data warehouse
- probabilistic xml
- approximate query answering
- on line analytical processing
- range sum queries
- olap queries
- estimation error
- probabilistic databases
- online analytical processing
- main idea consists
- prediction accuracy
- data structure
- data cube construction
- approximate answers
- multidimensional data
- range queries
- data warehousing
- data model
- computational complexity
- data mining
- query answers
- knowledge discovery