Histograms as statistical estimators for aggregate queries.
Lixia ChenAlin DobraPublished in: Inf. Syst. (2013)
Keyphrases
- aggregate queries
- approximate query answering
- probabilistic xml
- data cube
- query processing
- efficient computation
- aggregation functions
- confidence intervals
- aggregate functions
- contingency tables
- probabilistic databases
- approximate answers
- data mining
- database management systems
- database
- management system
- data analysis