Search Results for author: Tengfei Zhou

Found 4 papers, 0 papers with code

Aggregated Gradient Langevin Dynamics

no code implementations21 Oct 2019 Chao Zhang, Jiahao Xie, Zebang Shen, Peilin Zhao, Tengfei Zhou, Hui Qian

In this paper, we explore a general Aggregated Gradient Langevin Dynamics framework (AGLD) for the Markov Chain Monte Carlo (MCMC) sampling.

Accelerated Variance Reduced Block Coordinate Descent

no code implementations13 Nov 2016 Zebang Shen, Hui Qian, Chao Zhang, Tengfei Zhou

Algorithms with fast convergence, small number of data access, and low per-iteration complexity are particularly favorable in the big data era, due to the demand for obtaining \emph{highly accurate solutions} to problems with \emph{a large number of samples} in \emph{ultra-high} dimensional space.

Riemannian Tensor Completion with Side Information

no code implementations12 Nov 2016 Tengfei Zhou, Hui Qian, Zebang Shen, Congfu Xu

By restricting the iterate on a nonlinear manifold, the recently proposed Riemannian optimization methods prove to be both efficient and effective in low rank tensor completion problems.

Riemannian optimization

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