activity
20192026
most citedFuDGE: A Method to Estimate a Functional Differential Graph in a High-Dimensional Setting

8 citations · 24 across the 12 of their papers we have counts for

collaborators

12 papers

cs.LG2026

SMART: A Spectral Transfer Approach to Multi-Task Learning

Boxin Zhao, Mladen Kolar, Jinchi Lv

Multi-task learning is effective for related applications, but its performance can deteriorate when the target sample size is small. Transfer learning can borrow strength from rela…

stat.ML2025

Provable Accelerated Bayesian Optimization with Knowledge Transfer

Haitao Lin, Boxin Zhao, Mladen Kolar +1

We study how to accelerate Bayesian optimization (BO) on a target task by transferring historical knowledge from related source tasks. Existing work on BO with knowledge transfer e…

stat.ML2024

Trans-Glasso: A Transfer Learning Approach to Precision Matrix Estimation

Boxin Zhao, Cong Ma, Mladen Kolar

Precision matrix estimation is essential in various fields; yet it is challenging when samples for the target study are limited. Transfer learning can enhance estimation accuracy b…

cs.LG2024

Personalized Binomial DAGs Learning with Network Structured Covariates

Boxin Zhao, Weishi Wang, Dingyuan Zhu +5

The causal dependence in data is often characterized by Directed Acyclic Graphical (DAG) models, widely used in many areas. Causal discovery aims to recover the DAG structure using…

cs.LG2023★ 2 cited

Addressing Budget Allocation and Revenue Allocation in Data Market Environments Using an Adaptive Sampling Algorithm

Boxin Zhao, Boxiang Lyu, Raul Castro Fernandez +1

High-quality machine learning models are dependent on access to high-quality training data. When the data are not already available, it is tedious and costly to obtain them. Data m…

stat.ME2022

Latent Multimodal Functional Graphical Model Estimation

Katherine Tsai, Boxin Zhao, Sanmi Koyejo +1

Joint multimodal functional data acquisition, where functional data from multiple modes are measured simultaneously from the same subject, has emerged as an exciting modern approac…

cs.LG2022

L-SVRG and L-Katyusha with Adaptive Sampling

Boxin Zhao, Boxiang Lyu, Mladen Kolar

Stochastic gradient-based optimization methods, such as L-SVRG and its accelerated variant L-Katyusha (Kovalev et al., 2020), are widely used to train machine learning models.The t…

cs.LG2021

Adaptive Client Sampling in Federated Learning via Online Learning with Bandit Feedback

Boxin Zhao, Lingxiao Wang, Ziqi Liu +4

Due to the high cost of communication, federated learning (FL) systems need to sample a subset of clients that are involved in each round of training. As a result, client sampling…

stat.ML2021★ 3 cited

High-dimensional Functional Graphical Model Structure Learning via Neighborhood Selection Approach

Boxin Zhao, Percy S. Zhai, Y. Samuel Wang +1

Undirected graphical models are widely used to model the conditional independence structure of vector-valued data. However, in many modern applications, for example those involving…

cs.LG2021★ 6 cited

Personalized Federated Learning: A Unified Framework and Universal Optimization Techniques

Filip Hanzely, Boxin Zhao, Mladen Kolar

We investigate the optimization aspects of personalized Federated Learning (FL). We propose general optimizers that can be applied to numerous existing personalized FL objectives,…

stat.ML2020★ 8 cited

FuDGE: A Method to Estimate a Functional Differential Graph in a High-Dimensional Setting

Boxin Zhao, Y. Samuel Wang, Mladen Kolar

We consider the problem of estimating the difference between two undirected functional graphical models with shared structures. In many applications, data are naturally regarded as…

stat.ML2019★ 5 cited

Direct Estimation of Differential Functional Graphical Models

Boxin Zhao, Y. Samuel Wang, Mladen Kolar

We consider the problem of estimating the difference between two functional undirected graphical models with shared structures. In many applications, data are naturally regarded as…