activity
20152026
most citedMulti-class SVMs: From Tighter Data-Dependent Generalization Bounds to Novel Algorithms

30 citations · 148 across the 30 of their papers we have counts for

collaborators
Showing 2021Show all

6 papers · 1 filter

cs.LG2021★ 10 cited

Simple Stochastic and Online Gradient Descent Algorithms for Pairwise Learning

Zhenhuan Yang, Yunwen Lei, Puyu Wang +2

Pairwise learning refers to learning tasks where the loss function depends on a pair of instances. It instantiates many important machine learning tasks such as bipartite ranking a…

cs.LG2021

Stability and Generalization for Randomized Coordinate Descent

Puyu Wang, Liang Wu, Yunwen Lei

Randomized coordinate descent (RCD) is a popular optimization algorithm with wide applications in solving various machine learning problems, which motivates a lot of theoretical an…

cs.LG2021

Fine-grained Generalization Analysis of Structured Output Prediction

Waleed Mustafa, Yunwen Lei, Antoine Ledent +1

In machine learning we often encounter structured output prediction problems (SOPPs), i.e. problems where the output space admits a rich internal structure. Application domains whe…

cs.LG2021★ 8 cited

Stability and Generalization of Stochastic Gradient Methods for Minimax Problems

Yunwen Lei, Zhenhuan Yang, Tianbao Yang +1

Many machine learning problems can be formulated as minimax problems such as Generative Adversarial Networks (GANs), AUC maximization and robust estimation, to mention but a few. A…

cs.LG2021★ 2 cited

Fine-grained Generalization Analysis of Vector-valued Learning

Liang Wu, Antoine Ledent, Yunwen Lei +1

Many fundamental machine learning tasks can be formulated as a problem of learning with vector-valued functions, where we learn multiple scalar-valued functions together. Although…

stat.ML2021★ 5 cited

Differentially Private SGD with Non-Smooth Losses

Puyu Wang, Yunwen Lei, Yiming Ying +1

In this paper, we are concerned with differentially private {stochastic gradient descent (SGD)} algorithms in the setting of stochastic convex optimization (SCO). Most of the exist…