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Related papers: Towards OOD Generalization in Dynamic Graphs via C…

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Due to the performance degradation of graph neural networks (GNNs) under distribution shifts, the work on out-of-distribution (OOD) generalization on graphs has received widespread attention. A novel perspective involves distinguishing…

Machine Learning · Computer Science 2024-06-04 Haoran Yang , Xiaobing Pei , Kai Yuan

Out-of-distribution (OOD) generalization in the graph domain is challenging due to complex distribution shifts and a lack of environmental contexts. Recent methods attempt to enhance graph OOD generalization by generating flat environments.…

Machine Learning · Computer Science 2024-06-04 Yinhua Piao , Sangseon Lee , Yijingxiu Lu , Sun Kim

In this paper, we study the OOD generalization of neural algorithmic reasoning tasks, where the goal is to learn an algorithm (e.g., sorting, breadth-first search, and depth-first search) from input-output pairs using deep neural networks.…

Machine Learning · Computer Science 2023-03-21 Sadegh Mahdavi , Kevin Swersky , Thomas Kipf , Milad Hashemi , Christos Thrampoulidis , Renjie Liao

Graph neural networks (GNNs) are proven effective in extracting complex node and structural information from graph data. While current GNNs perform well in node classification tasks within in-distribution (ID) settings, real-world scenarios…

Machine Learning · Computer Science 2025-05-08 Tao Yin , Chen Zhao , Xiaoyan Liu , Minglai Shao

When testing data and training data come from different distributions, deep neural networks (DNNs) will face significant safety risks in practical applications. Therefore, out-of-distribution (OOD) detection techniques, which can identify…

Machine Learning · Computer Science 2026-04-01 Cheng Yang , Yu Hao , Qi Zhang , Chuan Shi

The development and evaluation of graph neural networks (GNNs) generally follow the independent and identically distributed (i.i.d.) assumption. Yet this assumption is often untenable in practice due to the uncontrollable data generation…

Machine Learning · Computer Science 2025-03-06 Yiming Xu , Bin Shi , Zhen Peng , Huixiang Liu , Bo Dong , Chen Chen

Deep learning on graphs has shown remarkable success across numerous applications, including social networks, bio-physics, traffic networks, and recommendation systems. Regardless of their successes, current methods frequently depend on the…

Machine Learning · Computer Science 2025-09-25 Itay Niv , Neta Rabin

Recent work has extended the invariance principle for out-of-distribution (OOD) generalization from Euclidean to graph data, where challenges arise due to complex structures and diverse distribution shifts in node attributes and topology.…

Machine Learning · Computer Science 2025-12-01 Ali Ghasemi , Farooq Ahmad Wani , Maria Sofia Bucarelli , Fabrizio Silvestri

Graph invariant learning (GIL) seeks invariant relations between graphs and labels under distribution shifts. Recent works try to extract an invariant subgraph to improve out-of-distribution (OOD) generalization, yet existing approaches…

Machine Learning · Computer Science 2026-01-22 Junchi Yan , Fangyu Ding , Jiawei Sun , Zhaoping Hu , Yunyi Zhou , Lei Zhu

Graph neural networks (GNNs), especially dynamic GNNs, have become a research hotspot in spatio-temporal forecasting problems. While many dynamic graph construction methods have been developed, relatively few of them explore the causal…

Machine Learning · Computer Science 2023-05-18 Guojun Liang , Prayag Tiwari , Sławomir Nowaczyk , Stefan Byttner , Fernando Alonso-Fernandez

Out-of-distribution (OOD) generalization remains a central challenge in deploying deep learning models to real-world scenarios, particularly in domains such as biomedical images, where distribution shifts are both subtle and pervasive.…

Computer Vision and Pattern Recognition · Computer Science 2025-10-01 Haoran Pei , Yuguang Yang , Kexin Liu , Baochang Zhang

Recent research on deep graph learning has shifted from static to dynamic graphs, motivated by the evolving behaviors observed in complex real-world systems. However, the temporal extension in dynamic graphs poses significant data…

Machine Learning · Computer Science 2025-06-17 Dong Chen , Shuai Zheng , Yeyu Yan , Muhao Xu , Zhenfeng Zhu , Yao Zhao , Kunlun He

Deep neural networks (DNNs), while increasingly deployed in many applications, struggle with robustness against anomalous and out-of-distribution (OOD) data. Current OOD benchmarks often oversimplify, focusing on single-object tasks and not…

Computer Vision and Pattern Recognition · Computer Science 2024-09-30 Debargha Ganguly , Debayan Gupta , Vipin Chaudhary

We develop a novel convolutional architecture tailored for learning from data defined over directed acyclic graphs (DAGs). DAGs can be used to model causal relationships among variables, but their nilpotent adjacency matrices pose unique…

Machine Learning · Computer Science 2024-05-07 Samuel Rey , Hamed Ajorlou , Gonzalo Mateos

Conventional supervised learning methods typically assume i.i.d samples and are found to be sensitive to out-of-distribution (OOD) data. We propose Generative Causal Representation Learning (GCRL) which leverages causality to facilitate…

Machine Learning · Computer Science 2023-04-27 Shayan Shirahmad Gale Bagi , Zahra Gharaee , Oliver Schulte , Mark Crowley

Detecting Out-of-Distribution (OOD) sensory data and covariate distribution shift aims to identify new test examples with different high-level image statistics to the captured, normal and In-Distribution (ID) set. Existing OOD detection…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Christiaan Viviers , Amaan Valiuddin , Francisco Caetano , Lemar Abdi , Lena Filatova , Peter de With , Fons van der Sommen

Graph contrastive learning is a general learning paradigm excelling at capturing invariant information from diverse perturbations in graphs. Recent works focus on exploring the structural rationale from graphs, thereby increasing the…

Machine Learning · Computer Science 2024-04-09 Qirui Ji , Jiangmeng Li , Jie Hu , Rui Wang , Changwen Zheng , Fanjiang Xu

Covariate distribution shift occurs when certain structural features present in the test set are absent from the training set. It is a common type of out-of-distribution (OOD) problem, frequently encountered in real-world graph data with…

Machine Learning · Computer Science 2026-04-22 Fanlong Zeng , Wensheng Gan

Out-of-Distribution (OOD) Generalization aims to learn robust models that generalize well to various environments without fitting to distribution-specific features. Recent studies based on Lottery Ticket Hypothesis (LTH) address this…

Machine Learning · Computer Science 2023-10-26 Zhuo Huang , Muyang Li , Li Shen , Jun Yu , Chen Gong , Bo Han , Tongliang Liu

Dynamic Graph Neural Network (DGNN) has shown a strong capability of learning dynamic graphs by exploiting both spatial and temporal features. Although DGNN has recently received considerable attention by AI community and various DGNN…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-09-08 Fahao Chen , Peng Li , Celimuge Wu