BayesCard: A Unified Bayesian Framework for Cardinality Estimation.
Ziniu WuAmir ShaikhhaPublished in: CoRR (2020)
Keyphrases
- bayesian framework
- cardinality estimation
- query optimization
- prior knowledge
- posterior probability
- generative model
- gaussian process
- maximum a posteriori
- posterior distribution
- probability density function
- expectation maximization
- query optimizer
- bayesian formulation
- query optimizers
- machine learning
- query processing
- query execution
- prior distribution
- selectivity estimation
- cost estimation
- xml data
- database management systems
- higher order
- database operations
- database systems