Search Results for author: Hansheng Wang

Found 9 papers, 3 papers with code

Quasi-Newton Updating for Large-Scale Distributed Learning

no code implementations7 Jun 2023 Shuyuan Wu, Danyang Huang, Hansheng Wang

This considerably reduces the computation and communication complexity of the proposed method.

Distributed Computing

Embedding Compression for Text Classification Using Dictionary Screening

no code implementations23 Nov 2022 Jing Zhou, Xinru Jing, Muyu Liu, Hansheng Wang

This leads to a benchmark model, which we then use to obtain the predicted class probabilities for each sample in a dataset.

text-classification Text Classification

Network Gradient Descent Algorithm for Decentralized Federated Learning

no code implementations6 May 2022 Shuyuan Wu, Danyang Huang, Hansheng Wang

The resulting NGD estimator can be statistically as efficient as the global estimator, if the learning rate is sufficiently small and the network structure is well balanced, even if the data are distributed heterogeneously.

Federated Learning

Factor Normalization for Deep Neural Network Models

1 code implementation1 Jan 2021 Haobo Qi, Jing Zhou, Hansheng Wang

Deep neural network (DNN) models often involve features of ultrahigh dimensions.

Hyperparameter Selection for Subsampling Bootstraps

no code implementations2 Jun 2020 Yingying Ma, Hansheng Wang

In this article we develop a hyperparameter selection methodology, which can be used to select tuning parameters for subsampling methods.

Automatic, Dynamic, and Nearly Optimal Learning Rate Specification by Local Quadratic Approximation

1 code implementation7 Apr 2020 Yingqiu Zhu, Yu Chen, Danyang Huang, Bo Zhang, Hansheng Wang

In each update step, given the gradient direction, we locally approximate the loss function by a standard quadratic function of the learning rate.

Least Squares Approximation for a Distributed System

2 code implementations14 Aug 2019 Xuening Zhu, Feng Li, Hansheng Wang

The finite sample performance and computational efficiency are further illustrated by an extensive numerical study and an airline dataset.

Computational Efficiency regression

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