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Tensor Ring Decomposition: Optimization Landscape and One-loop Convergence of Alternating Least Squares.
Ziang Chen
Yingzhou Li
Jianfeng Lu
Published in:
SIAM J. Matrix Anal. Appl. (2020)
Keyphrases
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alternating least squares
stochastic gradient descent
higher order
high order
convergence rate
convergence speed
matrix factorization
recommender systems
nonnegative matrix factorization