activity
20222024
most citedG-Mixup: Graph Data Augmentation for Graph Classification

44 citations · 130 across the 14 of their papers we have counts for

collaborators

14 papers

cs.CL2024★ 13 cited

LLM Maybe LongLM: Self-Extend LLM Context Window Without Tuning

Hongye Jin, Xiaotian Han, Jingfeng Yang +5

It is well known that LLMs cannot generalize well to long contexts whose lengths are larger than the training sequence length. This poses challenges when employing LLMs for process…

cs.IR2023★ 15 cited

Towards Mitigating Dimensional Collapse of Representations in Collaborative Filtering

Huiyuan Chen, Vivian Lai, Hongye Jin +3

Contrastive Learning (CL) has shown promising performance in collaborative filtering. The key idea is to generate augmentation-invariant embeddings by maximizing the Mutual Informa…

cs.LG2023★ 2 cited

Chasing Fairness in Graphs: A GNN Architecture Perspective

Zhimeng Jiang, Xiaotian Han, Chao Fan +4

There has been significant progress in improving the performance of graph neural networks (GNNs) through enhancements in graph data, model architecture design, and training strateg…

cs.CL2023★ 4 cited

GrowLength: Accelerating LLMs Pretraining by Progressively Growing Training Length

Hongye Jin, Xiaotian Han, Jingfeng Yang +3

The evolving sophistication and intricacies of Large Language Models (LLMs) yield unprecedented advancements, yet they simultaneously demand considerable computational resources an…

cs.LG2023

On the Equivalence of Graph Convolution and Mixup

Xiaotian Han, Hanqing Zeng, Yu Chen +9

This paper investigates the relationship between graph convolution and Mixup techniques. Graph convolution in a graph neural network involves aggregating features from neighboring…

cs.LG2023★ 4 cited

FFB: A Fair Fairness Benchmark for In-Processing Group Fairness Methods

Xiaotian Han, Jianfeng Chi, Yu Chen +4

This paper introduces the Fair Fairness Benchmark (\textsf{FFB}), a benchmarking framework for in-processing group fairness methods. Ensuring fairness in machine learning is import…

cs.LG2023★ 4 cited

Chasing Fairness Under Distribution Shift: A Model Weight Perturbation Approach

Zhimeng Jiang, Xiaotian Han, Hongye Jin +4

Fairness in machine learning has attracted increasing attention in recent years. The fairness methods improving algorithmic fairness for in-distribution data may not perform well u…

cs.LG2023

Retiring DP: New Distribution-Level Metrics for Demographic Parity

Xiaotian Han, Zhimeng Jiang, Hongye Jin +4

Demographic parity is the most widely recognized measure of group fairness in machine learning, which ensures equal treatment of different demographic groups. Numerous works aim to…

cs.LG2022★ 12 cited

MLPInit: Embarrassingly Simple GNN Training Acceleration with MLP Initialization

Xiaotian Han, Tong Zhao, Yozen Liu +2

Training graph neural networks (GNNs) on large graphs is complex and extremely time consuming. This is attributed to overheads caused by sparse matrix multiplication, which are sid…

cs.LG2022★ 1 cited

DIVISION: Memory Efficient Training via Dual Activation Precision

Guanchu Wang, Zirui Liu, Zhimeng Jiang +3

Activation compressed training provides a solution towards reducing the memory cost of training deep neural networks~(DNNs). However, state-of-the-art work combines a search of qua…

cs.LG2022★ 17 cited

Auto-PINN: Understanding and Optimizing Physics-Informed Neural Architecture

Yicheng Wang, Xiaotian Han, Chia-Yuan Chang +3

Physics-informed neural networks (PINNs) are revolutionizing science and engineering practice by bringing together the power of deep learning to bear on scientific computation. In…

cs.LG2022★ 44 cited

G-Mixup: Graph Data Augmentation for Graph Classification

Xiaotian Han, Zhimeng Jiang, Ninghao Liu +1

This work develops \emph{mixup for graph data}. Mixup has shown superiority in improving the generalization and robustness of neural networks by interpolating features and labels b…

cs.LG2022

Geometric Graph Representation Learning via Maximizing Rate Reduction

Xiaotian Han, Zhimeng Jiang, Ninghao Liu +3

Learning discriminative node representations benefits various downstream tasks in graph analysis such as community detection and node classification. Existing graph representation…

cs.LG2022★ 14 cited

FMP: Toward Fair Graph Message Passing against Topology Bias

Zhimeng Jiang, Xiaotian Han, Chao Fan +4

Despite recent advances in achieving fair representations and predictions through regularization, adversarial debiasing, and contrastive learning in graph neural networks (GNNs), t…