activity
20222026
most citedPenalizing Gradient Norm for Efficiently Improving Generalization in Deep Learning

16 citations · 26 across the 12 of their papers we have counts for

collaborators

12 papers

cs.LG2026

Discrete Diffusion Models: A Unified Framework from Tokenization to Generation

Ye Yuan, Weien Li, Rui Song +20

Discrete denoising diffusion models (DDMs) have recently emerged as a compelling alternative to autoregressive (AR) modeling for discrete data, offering parallel generation and ite…

cs.AI2026

Evaluating the Diversity of AI-Generated Content with Diversity Profiles

Xiuyuan Hu, Xuege Hou, Guoqing Liu +6

Diversity is a fundamental criterion for evaluating generative artificial intelligence (AI) systems, yet its measurement remains inherently ambiguous. Existing approaches typically…

cond-mat.mtrl-sci2025★ 1 cited

CycleChemist: A Dual-Pronged Machine Learning Framework for Organic Photovoltaic Discovery

Hou Hei Lam, Jiangjie Qiu, Xiuyuan Hu +5

Organic photovoltaic (OPV) materials offer a promising path toward sustainable energy generation, but their development is limited by the difficulty of identifying high performance…

cs.IR2025

Leveraging Reference Documents for Zero-Shot Ranking via Large Language Models

Jieran Li, Xiuyuan Hu, Yang Zhao +2

Large Language Models (LLMs) have demonstrated exceptional performance in the task of text ranking for information retrieval. While Pointwise ranking approaches offer computational…

cs.LG2025★ 1 cited

Accelerating High-Efficiency Organic Photovoltaic Discovery via Pretrained Graph Neural Networks and Generative Reinforcement Learning

Jiangjie Qiu, Hou Hei Lam, Xiuyuan Hu +5

Organic photovoltaic (OPV) materials offer a promising avenue toward cost-effective solar energy utilization. However, optimizing donor-acceptor (D-A) combinations to achieve high…

cs.CE2025

TransDiffSBDD: Causality-Aware Multi-Modal Structure-Based Drug Design

Xiuyuan Hu, Guoqing Liu, Can Chen +3

Structure-based drug design (SBDD) is a critical task in drug discovery, requiring the generation of molecular information across two distinct modalities: discrete molecular graphs…

cs.CE2025★ 1 cited

3DMolFormer: A Dual-channel Framework for Structure-based Drug Discovery

Xiuyuan Hu, Guoqing Liu, Can Chen +3

Structure-based drug discovery, encompassing the tasks of protein-ligand docking and pocket-aware 3D drug design, represents a core challenge in drug discovery. However, no existin…

cs.LG2024

When Will Gradient Regularization Be Harmful?

Yang Zhao, Hao Zhang, Xiuyuan Hu

Gradient regularization (GR), which aims to penalize the gradient norm atop the loss function, has shown promising results in training modern over-parameterized deep neural network…

cs.LG2024

Empirical Evidence for the Fragment level Understanding on Drug Molecular Structure of LLMs

Xiuyuan Hu, Guoqing Liu, Yang Zhao +1

AI for drug discovery has been a research hotspot in recent years, and SMILES-based language models has been increasingly applied in drug molecular design. However, no work has exp…

q-bio.BM2023★ 6 cited

De novo Drug Design using Reinforcement Learning with Multiple GPT Agents

Xiuyuan Hu, Guoqing Liu, Yang Zhao +1

De novo drug design is a pivotal issue in pharmacology and a new area of focus in AI for science research. A central challenge in this field is to generate molecules with specific…

cs.LG2022★ 1 cited

Randomized Sharpness-Aware Training for Boosting Computational Efficiency in Deep Learning

Yang Zhao, Hao Zhang, Xiuyuan Hu

By driving models to converge to flat minima, sharpness-aware learning algorithms (such as SAM) have shown the power to achieve state-of-the-art performances. However, these algori…

cs.LG2022★ 16 cited

Penalizing Gradient Norm for Efficiently Improving Generalization in Deep Learning

Yang Zhao, Hao Zhang, Xiuyuan Hu

How to train deep neural networks (DNNs) to generalize well is a central concern in deep learning, especially for severely overparameterized networks nowadays. In this paper, we pr…