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相关论文: Towards OOD Generalization in Dynamic Graphs via C…

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Out-of-distribution (OOD) detection is crucial for the reliable deployment of machine learning models in real-world scenarios, enabling the identification of unknown samples or objects. A prominent approach to enhance OOD detection…

机器学习 · 统计学 2025-08-05 Heng Gao , Jun Li

With the progressive advancements in deep graph learning, out-of-distribution (OOD) detection for graph data has emerged as a critical challenge. While the efficacy of auxiliary datasets in enhancing OOD detection has been extensively…

机器学习 · 计算机科学 2024-08-01 Junwei He , Qianqian Xu , Yangbangyan Jiang , Zitai Wang , Yuchen Sun , Qingming Huang

Despite graph neural networks' (GNNs) great success in modelling graph-structured data, out-of-distribution (OOD) test instances still pose a great challenge for current GNNs. One of the most effective techniques to detect OOD nodes is to…

机器学习 · 计算机科学 2025-04-11 Danny Wang , Ruihong Qiu , Guangdong Bai , Zi Huang

Enhancing node-level Out-Of-Distribution (OOD) generalization on graphs remains a crucial area of research. In this paper, we develop a Structural Causal Model (SCM) to theoretically dissect the performance of two prominent invariant…

机器学习 · 计算机科学 2025-01-06 Qixun Wang , Yifei Wang , Yisen Wang , Xianghua Ying

In graph classification, attention and pooling-based graph neural networks (GNNs) prevail to extract the critical features from the input graph and support the prediction. They mostly follow the paradigm of learning to attend, which…

机器学习 · 计算机科学 2022-06-14 Yongduo Sui , Xiang Wang , Jiancan Wu , Min Lin , Xiangnan He , Tat-Seng Chua

Continual Learning (CL) aims to incrementally acquire new knowledge while mitigating catastrophic forgetting. Within this setting, Online Continual Learning (OCL) focuses on updating models promptly and incrementally from single or small…

机器学习 · 计算机科学 2025-12-19 Giovanni Donghi , Luca Pasa , Daniele Zambon , Cesare Alippi , Nicolò Navarin

This paper introduces a new framework for recovering causal graphs from observational data, leveraging the observation that the distribution of an effect, conditioned on its causes, remains invariant to changes in the prior distribution of…

机器学习 · 计算机科学 2026-02-04 Nang Hung Nguyen , Phi Le Nguyen , Thao Nguyen Truong , Trong Nghia Hoang , Masashi Sugiyama

Out-of-Distribution (OOD) generalization has become a primary metric for evaluating image analysis systems. Since deep learning models tend to capture domain-specific context, they often develop shortcut dependencies on these non-causal…

计算机视觉与模式识别 · 计算机科学 2026-03-27 Haoran Pei , Yuguang Yang , Kexin Liu , Juan Zhang , Baochang Zhang

Graph neural Ordinary Differential Equations (ODE) combine neural ODE with the message passing mechanism of Graph Neural Networks (GNN), providing a continuous-time modeling method for graph representation learning. However, in dynamic…

机器学习 · 计算机科学 2026-04-29 Xiaoyi Wang , Zhiqiang Wang , Jianqing Liang , Xingwang Zhao , Chuangyin Dang , Zhen Jin , Jiye Liang

Living in a complex world like ours makes it unacceptable that a practical implementation of a machine learning system assumes a closed world. Therefore, it is necessary for such a learning-based system in a real world environment, to be…

计算机视觉与模式识别 · 计算机科学 2020-03-05 Jens Bayer , David Münch , Michael Arens

The burgeoning volume of graph data presents significant computational challenges in training graph neural networks (GNNs), critically impeding their efficiency in various applications. To tackle this challenge, graph condensation (GC) has…

机器学习 · 计算机科学 2024-06-13 Xinyi Gao , Tong Chen , Wentao Zhang , Yayong Li , Xiangguo Sun , Hongzhi Yin

Detecting out-of-distribution (OOD) data is essential for safe deployment of deep neural networks (DNNs). This problem becomes particularly challenging in the presence of long-tailed in-distribution (ID) datasets, often leading to high…

计算机视觉与模式识别 · 计算机科学 2025-11-25 Nimeshika Udayangani , Hadi M. Dolatabadi , Sarah Erfani , Christopher Leckie

Graphs provide a powerful basis for modeling Web-based relational data, with expressive GNNs to support the effective learning in dynamic web environments. However, real-world deployment is hindered by pervasive out-of-distribution (OOD)…

机器学习 · 计算机科学 2026-02-24 Jing Ren , Jiapeng Du , Bowen Li , Ziqi Xu , Xin Zheng , Hong Jia , Suyu Ma , Xiwei Xu , Feng Xia

Learning invariant graph representations for out-of-distribution (OOD) generalization remains challenging because the learned representations often retain spurious components. To address this challenge, this work introduces a new tool from…

机器学习 · 计算机科学 2025-12-09 Barproda Halder , Pasan Dissanayake , Sanghamitra Dutta

Prediction models often fail if train and test data do not stem from the same distribution. Out-of-distribution (OOD) generalization to unseen, perturbed test data is a desirable but difficult-to-achieve property for prediction models and…

统计方法学 · 统计学 2022-05-25 Lucas Kook , Beate Sick , Peter Bühlmann

Out-of-distribution (OOD) detection is a critical issue for the stable and reliable operation of systems using a deep neural network (DNN). Although many OOD detection methods have been proposed, it remains unclear how the differences…

机器学习 · 计算机科学 2024-10-30 Kazuki Uematsu , Kosuke Haruki , Taiji Suzuki , Mitsuhiro Kimura , Takahiro Takimoto , Hideyuki Nakagawa

A fundamental challenge in the empirical sciences involves uncovering causal structure through observation and experimentation. Causal discovery entails linking the conditional independence (CI) invariances in observational data to their…

机器学习 · 统计学 2025-11-04 Zihan Zhou , Muhammad Qasim Elahi , Murat Kocaoglu

Directed acyclic graphs (DAGs) are central to science and engineering applications including causal inference, scheduling, and neural architecture search. In this work, we introduce the DAG Convolutional Network (DCN), a novel graph neural…

信号处理 · 电气工程与系统科学 2026-05-20 Samuel Rey , Hamed Ajorlou , Gonzalo Mateos

Class Incremental Learning (CIL) aims to enable models to learn new classes sequentially while retaining knowledge of previous ones. Although current methods have alleviated catastrophic forgetting (CF), recent studies highlight that the…

机器学习 · 计算机科学 2025-03-19 Guannan Lai , Yujie Li , Xiangkun Wang , Junbo Zhang , Tianrui Li , Xin Yang

We study the problem of lifelong graph learning in an open-world scenario, where a model needs to deal with new tasks and potentially unknown classes. We utilize Out-of-Distribution (OOD) detection methods to recognize new classes and adapt…

机器学习 · 计算机科学 2023-10-20 Marcel Hoffmann , Lukas Galke , Ansgar Scherp