Search Results for author: Zhimeng Guo

Found 9 papers, 4 papers with code

Addressing Shortcomings in Fair Graph Learning Datasets: Towards a New Benchmark

1 code implementation9 Mar 2024 Xiaowei Qian, Zhimeng Guo, Jialiang Li, Haitao Mao, Bingheng Li, Suhang Wang, Yao Ma

These datasets are thoughtfully designed to include relevant graph structures and bias information crucial for the fair evaluation of models.

Benchmarking Fairness +1

On the Safety of Open-Sourced Large Language Models: Does Alignment Really Prevent Them From Being Misused?

no code implementations2 Oct 2023 Hangfan Zhang, Zhimeng Guo, Huaisheng Zhu, Bochuan Cao, Lu Lin, Jinyuan Jia, Jinghui Chen, Dinghao Wu

A natural question is "could alignment really prevent those open-sourced large language models from being misused to generate undesired content?''.

Text Generation

Towards Fair Graph Neural Networks via Graph Counterfactual

1 code implementation10 Jul 2023 Zhimeng Guo, Jialiang Li, Teng Xiao, Yao Ma, Suhang Wang

Despite their great performance in modeling graphs, recent works show that GNNs tend to inherit and amplify the bias from training data, causing concerns of the adoption of GNNs in high-stake scenarios.

counterfactual Fairness +2

Counterfactual Learning on Graphs: A Survey

1 code implementation3 Apr 2023 Zhimeng Guo, Teng Xiao, Zongyu Wu, Charu Aggarwal, Hui Liu, Suhang Wang

To facilitate the development of this promising direction, in this survey, we categorize and comprehensively review papers on graph counterfactual learning.

counterfactual Fairness +2

Link Prediction on Heterophilic Graphs via Disentangled Representation Learning

no code implementations3 Aug 2022 Shijie Zhou, Zhimeng Guo, Charu Aggarwal, Xiang Zhang, Suhang Wang

Therefore, in this paper, we study a novel problem of exploring disentangled representation learning for link prediction on heterophilic graphs.

Link Prediction Representation Learning

Decoupled Self-supervised Learning for Non-Homophilous Graphs

no code implementations7 Jun 2022 Teng Xiao, Zhengyu Chen, Zhimeng Guo, Zeyang Zhuang, Suhang Wang

This paper studies the problem of conducting self-supervised learning for node representation learning on graphs.

Representation Learning Self-Supervised Learning +1

A Comprehensive Survey on Trustworthy Graph Neural Networks: Privacy, Robustness, Fairness, and Explainability

no code implementations18 Apr 2022 Enyan Dai, Tianxiang Zhao, Huaisheng Zhu, Junjie Xu, Zhimeng Guo, Hui Liu, Jiliang Tang, Suhang Wang

Despite their great potential in benefiting humans in the real world, recent study shows that GNNs can leak private information, are vulnerable to adversarial attacks, can inherit and magnify societal bias from training data and lack interpretability, which have risk of causing unintentional harm to the users and society.

Drug Discovery Fairness

Label-Wise Graph Convolutional Network for Heterophilic Graphs

1 code implementation15 Oct 2021 Enyan Dai, Shijie Zhou, Zhimeng Guo, Suhang Wang

Graph Neural Networks (GNNs) have achieved remarkable performance in modeling graphs for various applications.

Node Classification Representation Learning

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