collaborators

5 papers

stat.ME2026

Distributed Prediction under Heterogeneity with Unidentifiable Parameter

Erbo Li, Zhaojun Hu, Ting Wei +2

Predicting a response based on covariates is a fundamental problem in statistics and machine learning. However, profound difficulties arise when the underlying low-dimensional stru…

stat.ML2026

Range Penalization: Theoretical Insights with Applications in Federated Learning

Yiyuan She, Zhaojun Hu, Yifan Sun

This paper introduces range regularization for federated learning with linear systematic components to enhance statistical accuracy and induce cross-client regularity conducive to…

cs.AI2026

Federated Reasoning Distillation Framework with Model Learnability-Aware Data Allocation

Wei Guo, Siyuan Lu, Xiangdong Ran +8

Data allocation plays a critical role in federated large language model (LLM) and small language models (SLMs) reasoning collaboration. Nevertheless, existing data allocation metho…

cs.LG2025

H2Tune: Federated Foundation Model Fine-Tuning with Hybrid Heterogeneity

Wei Guo, Siyuan Lu, Yiqi Tong +5

Different from existing federated fine-tuning (FFT) methods for foundation models, hybrid heterogeneous federated fine-tuning (HHFFT) is an under-explored scenario where clients ex…

cs.LG2025

Proto-EVFL: Enhanced Vertical Federated Learning via Dual Prototype with Extremely Unaligned Data

Wei Guo, Yiyang Duan, Zhaojun Hu +7

In vertical federated learning (VFL), multiple enterprises address aligned sample scarcity by leveraging massive locally unaligned samples to facilitate collaborative learning. How…