no code implementations • EMNLP (WNUT) 2020 • Chacha Chen, Chieh-Yang Huang, Yaqi Hou, Yang Shi, Enyan Dai, Jiaqi Wang
The competition of extracting COVID-19 events from Twitter is to develop systems that can automatically extract related events from tweets.
Extracting COVID-19 Events from Twitter Language Modeling +5
no code implementations • 17 Nov 2024 • Minhua Lin, Enyan Dai, Junjie Xu, Jinyuan Jia, Xiang Zhang, Suhang Wang
As neural networks can memorize the training samples, the model parameters of GNNs have a high risk of leaking private training data.
no code implementations • 17 Oct 2024 • Minhua Lin, Zhiwei Zhang, Enyan Dai, Zongyu Wu, Yilong Wang, Xiang Zhang, Suhang Wang
Graph Prompt Learning (GPL) has been introduced as a promising approach that uses prompts to adapt pre-trained GNN models to specific downstream tasks without requiring fine-tuning of the entire model.
no code implementations • 14 Jun 2024 • Zhiwei Zhang, Minhua Lin, Junjie Xu, Zongyu Wu, Enyan Dai, Suhang Wang
With this observation, we propose using random edge dropping to detect backdoors and theoretically show that it can efficiently distinguish poisoned nodes from clean ones.
1 code implementation • 17 May 2024 • Zhiwei Zhang, Minhua Lin, Enyan Dai, Suhang Wang
To ensure a high attack success rate with ID triggers, we introduce novel modules designed to enhance trigger memorization by the victim model trained on poisoned graph.
no code implementations • 6 Feb 2024 • Enyan Dai, Minhua Lin, Suhang Wang
PreGIP incorporates a task-free watermarking loss to watermark the embedding space of pretrained GNN encoder.
no code implementations • 16 Oct 2023 • Junjie Xu, Enyan Dai, Dongsheng Luo, Xiang Zhang, Suhang Wang
Spectral Graph Neural Networks (GNNs) are gaining attention for their ability to surpass the limitations of message-passing GNNs.
1 code implementation • NeurIPS 2023 • Minhua Lin, Teng Xiao, Enyan Dai, Xiang Zhang, Suhang Wang
Extensive experiments on real-world datasets demonstrate the effectiveness of our proposed method in providing effective certifiable robustness and enhancing the robustness of any GCL model.
no code implementations • 14 Jun 2023 • Enyan Dai, Limeng Cui, Zhengyang Wang, Xianfeng Tang, Yinghan Wang, Monica Cheng, Bing Yin, Suhang Wang
Therefore, in this work, we study a novel problem of developing robust and membership privacy-preserving GNNs.
1 code implementation • 11 Feb 2023 • Enyan Dai, Minhua Lin, Xiang Zhang, Suhang Wang
In particular, backdoor attack poisons the graph by attaching triggers and the target class label to a set of nodes in the training graph.
1 code implementation • 15 Oct 2022 • Junjie Xu, Enyan Dai, Xiang Zhang, Suhang Wang
Graph neural networks (GNNs) have achieved great success in various graph problems.
no code implementations • 5 Oct 2022 • Enyan Dai, Suhang Wang
Therefore, we study a novel problem of learning prototype-based self-explainable GNNs that can simultaneously give accurate predictions and prototype-based explanations on predictions.
no code implementations • 18 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.
1 code implementation • 30 Mar 2022 • Huaisheng Zhu, Enyan Dai, Hui Liu, Suhang Wang
The lack of sensitive attributes challenges many existing fair classifiers.
4 code implementations • ICLR 2022 • Enyan Dai, Jie Chen
Anomaly detection is a widely studied task for a broad variety of data types; among them, multiple time series appear frequently in applications, including for example, power grids and traffic networks.
Ranked #3 on Anomaly Detection on voraus-AD
1 code implementation • 1 Jan 2022 • Enyan Dai, Wei Jin, Hui Liu, Suhang Wang
To mitigate these issues, we propose a novel framework which adopts the noisy edges as supervision to learn a denoised and dense graph, which can down-weight or eliminate noisy edges and facilitate message passing of GNNs to alleviate the issue of limited labeled nodes.
1 code implementation • 15 Oct 2021 • Enyan Dai, Shijie Zhou, Zhimeng Guo, Suhang Wang
Graph Neural Networks (GNNs) have achieved remarkable performance in modeling graphs for various applications.
Ranked #1 on Node Classification on Crocodile
1 code implementation • 26 Aug 2021 • Enyan Dai, Suhang Wang
Though many efforts are taken to improve the explainability of deep learning, they mainly focus on i. i. d data, which cannot be directly applied to explain the predictions of GNNs because GNNs utilize both node features and graph topology to make predictions.
no code implementations • 8 Jun 2021 • Enyan Dai, Kai Shu, Yiwei Sun, Suhang Wang
We propose a novel generative framework named as ADDES which can synthesize high-quality labeled data for target classification tasks by learning from data with inexact supervision and the relations between inexact supervision and target classes.
1 code implementation • 8 Jun 2021 • Enyan Dai, Charu Aggarwal, Suhang Wang
Graph Neural Networks (GNNs) have achieved promising results for semi-supervised learning tasks on graphs such as node classification.
no code implementations • 27 May 2021 • Yuqing Hu, Xiaoyuan Cheng, Suhang Wang, Jianli Chen, Tianxiang Zhao, Enyan Dai
After discussion, it is found that data-driven models integrated engineering or physical knowledge can significantly improve the urban building energy simulation.
1 code implementation • 29 Apr 2021 • Tianxiang Zhao, Enyan Dai, Kai Shu, Suhang Wang
Though the sensitive attribute of each data sample is unknown, we observe that there are usually some non-sensitive features in the training data that are highly correlated with sensitive attributes, which can be used to alleviate the bias.
no code implementations • 29 Sep 2020 • Chacha Chen, Chieh-Yang Huang, Yaqi Hou, Yang Shi, Enyan Dai, Jiaqi Wang
The competition of extracting COVID-19 events from Twitter is to develop systems that can automatically extract related events from tweets.
Extracting COVID-19 Events from Twitter Language Modeling +6
2 code implementations • 3 Sep 2020 • Enyan Dai, Suhang Wang
Though extensive studies of fair classification have been conducted on i. i. d data, methods to address the problem of discrimination on non-i. i. d data are rather limited.
1 code implementation • 27 Jan 2020 • Enyan Dai, Yiwei Sun, Suhang Wang
Nowadays, Internet is a primary source of attaining health information.
no code implementations • 7 Oct 2019 • Zhen Han, Enyan Dai, Xu Jia, Xiaoying Ren, Shuaijun Chen, Chunjing Xu, Jianzhuang Liu, Qi Tian
The task of single image super-resolution (SISR) aims at reconstructing a high-resolution (HR) image from a low-resolution (LR) image.