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Graph domain adaptation (GDA) has achieved great attention due to its effectiveness in addressing the domain shift between train and test data. A significant bottleneck in existing graph domain adaptation methods is their reliance on…

人工智能 · 计算机科学 2025-10-10 Xiangwei Lv , JinLuan Yang , Wang Lin , Jingyuan Chen , Beishui Liao

Graph Transformer (GT), as a special type of Graph Neural Networks (GNNs), utilizes multi-head attention to facilitate high-order message passing. However, this also imposes several limitations in node classification applications: 1) nodes…

机器学习 · 计算机科学 2024-10-16 Jiajun Zhou , Xuanze Chen , Chenxuan Xie , Yu Shanqing , Qi Xuan , Xiaoniu Yang

Unsupervised domain adaptation (UDA) aims to transfer the knowledge from the labeled source domain to the unlabeled target domain. Existing self-training based UDA approaches assign pseudo labels for target data and treat them as ground…

计算机视觉与模式识别 · 计算机科学 2021-03-10 Xiaoqing Guo , Chen Yang , Baopu Li , Yixuan Yuan

Recent advances in knowledge distillation have emphasized the importance of decoupling different knowledge components. While existing methods utilize momentum mechanisms to separate task-oriented and distillation gradients, they overlook…

计算机视觉与模式识别 · 计算机科学 2025-05-22 Haiduo Huang , Jiangcheng Song , Yadong Zhang , Pengju Ren

The original design of Graph Convolution Network (GCN) couples feature transformation and neighborhood aggregation for node representation learning. Recently, some work shows that coupling is inferior to decoupling, which supports deep…

机器学习 · 计算机科学 2021-02-16 Hande Dong , Jiawei Chen , Fuli Feng , Xiangnan He , Shuxian Bi , Zhaolin Ding , Peng Cui

In this work, we present INTACT, a novel two-phase framework designed to enhance the robustness of deep neural networks (DNNs) against noisy LiDAR data in safety-critical perception tasks. INTACT combines meta-learning with adversarial…

计算机视觉与模式识别 · 计算机科学 2025-02-05 Nastaran Darabi , Divake Kumar , Sina Tayebati , Amit Ranjan Trivedi

Conventional low-rank adaptation methods build adapters without considering data context, leading to sub-optimal fine-tuning performance and severe forgetting of inherent world knowledge. In this paper, we propose context-oriented…

机器学习 · 计算机科学 2025-06-17 Yibo Yang , Sihao Liu , Chuan Rao , Bang An , Tiancheng Shen , Philip H. S. Torr , Ming-Hsuan Yang , Bernard Ghanem

Graph convolutional neural networks (GCNs) are powerful tools for learning graph-based knowledge representations from training data. However, they are vulnerable to small perturbations in the input graph, which makes them susceptible to…

机器学习 · 计算机科学 2025-12-16 Boqi Chen , Kristóf Marussy , Oszkár Semeráth , Gunter Mussbacher , Dániel Varró

Graph Neural Networks (GNNs) have made significant advancements in node classification, but their success relies on sufficient labeled nodes per class in the training data. Real-world graph data often exhibits a long-tail distribution with…

机器学习 · 计算机科学 2025-07-01 Qilong Yan , Yufeng Zhang , Jinghao Zhang , Jingpu Duan , Jian Yin

Fault-tolerant quantum computing demands decoders that are fast, accurate, and adaptable to circuit structure and realistic noise. While machine learning (ML) decoders have demonstrated impressive performance for quantum memory, their use…

量子物理 · 物理学 2025-09-16 J. Pablo Bonilla Ataides , Andi Gu , Susanne F. Yelin , Mikhail D. Lukin

Knowledge tracing (KT) aims to monitor students' evolving knowledge states through their learning interactions with concept-related questions, and can be indirectly evaluated by predicting how students will perform on future questions. In…

人工智能 · 计算机科学 2023-12-12 Chaoran Cui , Hebo Ma , Chen Zhang , Chunyun Zhang , Yumo Yao , Meng Chen , Yuling Ma

We propose a novel regularizer for supervised learning called Conditioning on Noisy Targets (CNT). This approach consists in conditioning the model on a noisy version of the target(s) (e.g., actions in imitation learning or labels in…

机器学习 · 计算机科学 2022-10-28 Alexia Jolicoeur-Martineau , Alex Lamb , Vikas Verma , Aniket Didolkar

Continual Test-Time Adaptation (CTTA) aims to adapt the source model to continually changing unlabeled target domains without access to the source data. Existing methods mainly focus on model-based adaptation in a self-training manner, such…

计算机视觉与模式识别 · 计算机科学 2023-02-14 Yulu Gan , Yan Bai , Yihang Lou , Xianzheng Ma , Renrui Zhang , Nian Shi , Lin Luo

The point process is a solid framework to model sequential data, such as videos, by exploring the underlying relevance. As a challenging problem for high-level video understanding, weakly supervised action recognition and localization in…

计算机视觉与模式识别 · 计算机科学 2019-11-28 Xiao-Yu Zhang , Changsheng Li , Haichao Shi , Xiaobin Zhu , Peng Li , Jing Dong

How can we find meaningful clusters in a graph robustly against noise edges? Graph clustering (i.e., dividing nodes into groups of similar ones) is a fundamental problem in graph analysis with applications in various fields. Recent studies…

机器学习 · 计算机科学 2023-11-09 Hyeonsoo Jo , Fanchen Bu , Kijung Shin

Large language models (LLMs) have been proposed as powerful tools for detecting software vulnerabilities, where task-specific fine-tuning is typically employed to provide vulnerability-specific knowledge to the LLMs. However, existing…

软件工程 · 计算机科学 2025-07-22 Ruijun Feng , Hammond Pearce , Pietro Liguori , Yulei Sui

Recently, fine-tuning large-scale pre-trained GNNs has yielded remarkable attention in adapting pre-trained GNN models for downstream graph learning tasks. One representative fine-tuning method is to exploit adapter (termed AdapterGNN)…

机器学习 · 计算机科学 2025-11-25 Bo Jiang , Weijun Zhao , Beibei Wang , Xiao Wang , Jin Tang

Identifying vulnerable code is a precautionary measure to counter software security breaches. Tedious expert effort has been spent to build static analyzers, yet insecure patterns are barely fully enumerated. This work explores a deep…

人工智能 · 计算机科学 2021-09-09 Yufan Zhuang , Sahil Suneja , Veronika Thost , Giacomo Domeniconi , Alessandro Morari , Jim Laredo

Graph structured data often possess dynamic characters in nature. Recent years have witnessed the increasing attentions paid to dynamic graph neural networks for modelling graph data. However, almost all existing approaches operate under…

机器学习 · 计算机科学 2024-04-12 Hanjie Li , Changsheng Li , Kaituo Feng , Ye Yuan , Guoren Wang , Hongyuan Zha

Knowledge tracing is a method used in education to assess and track the acquisition of knowledge by individual learners. It involves using a variety of techniques, such as quizzes, tests, and other forms of assessment, to determine what a…

计算机与社会 · 计算机科学 2023-11-28 Yann Hicke