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Active Sampling Count Sketch (ASCS) for Online Sparse Estimation of a Trillion Scale Covariance Matrix.
Zhenwei Dai
Aditya Desai
Reinhard Heckel
Anshumali Shrivastava
Published in:
SIGMOD Conference (2021)
Keyphrases
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covariance matrix
active sampling
estimation error
covariance matrices
principal component analysis
sample size
selective sampling
geometrical interpretation
active learning
correlation matrix
machine learning
pairwise
high dimensional
learning algorithm
feature selection
learning to rank