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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:
CoRR (2020)
Keyphrases
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covariance matrix
active sampling
covariance matrices
estimation error
principal component analysis
sample size
selective sampling
active learning
geometrical interpretation
objective function
correlation matrix
data mining
feature selection
high dimensional
maximum likelihood
semi supervised learning