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It has been demonstrated that adversarial graphs, i.e., graphs with imperceptible perturbations added, can cause deep graph models to fail on node/graph classification tasks. In this paper, we extend adversarial graphs to the problem of…

社会与信息网络 · 计算机科学 2020-01-23 Jia Li , Honglei Zhang , Zhichao Han , Yu Rong , Hong Cheng , Junzhou Huang

We propose a new generative adversarial architecture to mitigate imbalance data problem for the task of medical image semantic segmentation where the majority of pixels belong to a healthy region and few belong to lesion or non-health…

计算机视觉与模式识别 · 计算机科学 2018-11-28 Mina Rezaei , Haojin Yang , Christoph Meinel

Generic Image recognition is a fundamental and fairly important visual problem in computer vision. One of the major challenges of this task lies in the fact that single image usually has multiple objects inside while the labels are still…

计算机视觉与模式识别 · 计算机科学 2019-08-23 Zhiqiang Shen , Zhankui He , Wanyun Cui , Jiahui Yu , Yutong Zheng , Chenchen Zhu , Marios Savvides

Recently, there has been a surge of interest in developing graph neural networks that utilize the invariance principle on graphs to generalize the out-of-distribution (OOD) data. Due to the limited knowledge about OOD data, existing…

机器学习 · 计算机科学 2024-07-17 Tianjun Yao , Yongqiang Chen , Zhenhao Chen , Kai Hu , Zhiqiang Shen , Kun Zhang

In causal inference, interference occurs when the treatment of one unit may affect the outcomes of other units. The goal of this work is to serve as a guide to the use of linear outcome modeling for estimating causal effects in settings…

统计方法学 · 统计学 2026-04-01 Eric Tong , Salvador V. Balkus

Estimating treatment effects from observational data provides insights about causality guiding many real-world applications such as different clinical study designs, which are the formulations of trials, experiments, and observational…

机器学习 · 计算机科学 2022-03-11 Zhixuan Chu , Stephen L. Rathbun , Sheng Li

Causal inference is capable of estimating the treatment effect (i.e., the causal effect of treatment on the outcome) to benefit the decision making in various domains. One fundamental challenge in this research is that the treatment…

机器学习 · 计算机科学 2021-12-28 Qian Li , Zhichao Wang , Shaowu Liu , Gang Li , Guandong Xu

Graph-based Active Learning (AL) leverages the structure of graphs to efficiently prioritize label queries, reducing labeling costs and user burden in applications like health monitoring, human behavior analysis, and sensor networks. By…

机器学习 · 计算机科学 2025-06-13 Maryam Khalid , Akane Sano

Deep neural networks (DNNs) have been widely applied to various applications, including image classification, text generation, audio recognition, and graph data analysis. However, recent studies have shown that DNNs are vulnerable to…

密码学与安全 · 计算机科学 2022-10-07 Lichao Sun , Yingtong Dou , Carl Yang , Ji Wang , Yixin Liu , Philip S. Yu , Lifang He , Bo Li

In autonomous driving, navigation through unsignaled intersections with many traffic participants moving around is a challenging task. To provide a solution to this problem, we propose a novel branched network G-CIL for the navigation…

机器人学 · 计算机科学 2021-02-02 Xiaodong Mei , Yuxiang Sun , Yuying Chen , Congcong Liu , Ming Liu

Recent developments in causal inference have greatly shifted the interest from estimating the average treatment effect to the individual treatment effect. In this article, we improve the predictive accuracy of representation learning and…

机器学习 · 统计学 2025-08-05 Yang Sun , Wenbin Lu , Yi-Hui Zhou

Estimating causal effects under networked interference from observational data is a crucial yet challenging problem. Most existing methods mainly rely on the networked unconfoundedness assumption, which guarantees the identification of…

机器学习 · 计算机科学 2026-01-28 Weilin Chen , Ruichu Cai , Jie Qiao , Yuguang Yan , José Miguel Hernández-Lobato

Network Intrusion Detection Systems (NIDS) are essential tools for detecting network attacks and intrusions. While extensive research has explored the use of supervised Machine Learning for attack detection and characterisation, these…

密码学与安全 · 计算机科学 2026-04-23 Georgios Anyfantis , Pere Barlet-Ros

With the deployment of online monitoring systems in distribution networks, massive amounts of data collected through them contains rich information on the operating states of the networks. By leveraging the data, an unsupervised approach…

机器学习 · 统计学 2019-07-23 Xin Shi , Robert Qiu , Tiebin Mi , Xing He , Yongli Zhu

Generative Adversarial Imitation Learning (GAIL) is a powerful and practical approach for learning sequential decision-making policies. Different from Reinforcement Learning (RL), GAIL takes advantage of demonstration data by experts (e.g.,…

机器学习 · 计算机科学 2020-01-14 Minshuo Chen , Yizhou Wang , Tianyi Liu , Zhuoran Yang , Xingguo Li , Zhaoran Wang , Tuo Zhao

One of the most significant challenges of EEG-based emotion recognition is the cross-subject EEG variations, leading to poor performance and generalizability. This paper proposes a novel EEG-based emotion recognition model called the domain…

信号处理 · 电气工程与系统科学 2022-03-01 Tao Xu , Wang Dang , Jiabao Wang , Yun Zhou

Unsupervised (or self-supervised) graph representation learning is essential to facilitate various graph data mining tasks when external supervision is unavailable. The challenge is to encode the information about the graph structure and…

机器学习 · 计算机科学 2020-09-16 Costas Mavromatis , George Karypis

Graph Contrastive Learning frameworks have demonstrated success in generating high-quality node representations. The existing research on efficient data augmentation methods and ideal pretext tasks for graph contrastive learning remains…

机器学习 · 计算机科学 2024-10-22 Zhenyu Lin , Hongzheng Li , Yingxia Shao , Guanhua Ye , Yawen Li , Quanqing Xu

Interpretable graph learning is in need as many scientific applications depend on learning models to collect insights from graph-structured data. Previous works mostly focused on using post-hoc approaches to interpret pre-trained models…

机器学习 · 计算机科学 2022-06-20 Siqi Miao , Miaoyuan Liu , Pan Li

Graph anomaly detection in this paper aims to distinguish abnormal nodes that behave differently from the benign ones accounting for the majority of graph-structured instances. Receiving increasing attention from both academia and industry,…

机器学习 · 计算机科学 2022-10-19 Fanzhen Liu , Xiaoxiao Ma , Jia Wu , Jian Yang , Shan Xue , Amin Beheshti , Chuan Zhou , Hao Peng , Quan Z. Sheng , Charu C. Aggarwal