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HeteRSGD: Tackling Heterogeneous Sampling Costs via Optimal Reweighted Stochastic Gradient Descent.
Ziang Chen
Jianfeng Lu
Huajie Qian
Xinshang Wang
Wotao Yin
Published in:
AISTATS (2023)
Keyphrases
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stochastic gradient descent
early stopping
loss function
importance sampling
random sampling
matrix factorization
weight vector
support vector machine
least squares
worst case
step size
monte carlo
regularization parameter
closed form
decision trees
state space
recommender systems
optimal solution
objective function