Search Results for author: Haolei Weng

Found 6 papers, 0 papers with code

Towards the Theory of Unsupervised Federated Learning: Non-asymptotic Analysis of Federated EM Algorithms

no code implementations23 Oct 2023 Ye Tian, Haolei Weng, Yang Feng

While supervised federated learning approaches have enjoyed significant success, the domain of unsupervised federated learning remains relatively underexplored.

Federated Learning

Spectral clustering via adaptive layer aggregation for multi-layer networks

no code implementations7 Dec 2020 Sihan Huang, Haolei Weng, Yang Feng

One of the fundamental problems in network analysis is detecting community structure in multi-layer networks, of which each layer represents one type of edge information among the nodes.

Clustering Community Detection

Does SLOPE outperform bridge regression?

no code implementations20 Sep 2019 Shuaiwen Wang, Haolei Weng, Arian Maleki

A recently proposed SLOPE estimator (arXiv:1407. 3824) has been shown to adaptively achieve the minimax $\ell_2$ estimation rate under high-dimensional sparse linear regression models (arXiv:1503. 08393).

regression

Matrix Completion with Nonconvex Regularization: Spectral Operators and Scalable Algorithms

no code implementations24 Jan 2018 Rahul Mazumder, Diego F. Saldana, Haolei Weng

Our contributions herein, enhance our prior work on nuclear norm regularized problems for matrix completion (Mazumder et al., 2010) by incorporating a continuum of nonconvex penalty functions between the convex nuclear norm and nonconvex rank functions.

Matrix Completion

On the estimation of correlation in a binary sequence model

no code implementations27 Dec 2017 Haolei Weng, Yang Feng

We consider a binary sequence generated by thresholding a hidden continuous sequence.

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