Approximate Query Processing for Group-By Queries based on Conditional Generative Models.
Meifan ZhangHongzhi WangPublished in: CoRR (2021)
Keyphrases
- approximate query processing
- generative model
- databases
- probabilistic model
- spatial databases
- discriminative models
- hierarchical hidden markov models
- approximate answers
- discriminative learning
- em algorithm
- prior knowledge
- wavelet synopses
- query language
- semi supervised
- generative and discriminative models
- query processing
- aggregate queries
- user queries
- clustering algorithm
- conditional random fields
- machine learning
- error metrics
- web search engines
- conditional probabilities
- spatial data
- database
- natural images
- expectation maximization
- multi dimensional
- data sets