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Developing interpretable models for neurodevelopmental disorders (NDDs) diagnosis presents significant challenges in effectively encoding, decoding, and integrating multimodal neuroimaging data. While many existing machine learning…

Computer Vision and Pattern Recognition · Computer Science 2026-04-24 Yueyang Li , Lei Chen , Wenhao Dong , Shengyu Gong , Zijian Kang , Boyang Wei , Weiming Zeng , Hongjie Yan , Lingbin Bian , Zhiguo Zhang , Wai Ting Siok , Nizhuan Wang

Graph neural networks (GNNs) have achieved success in various inference tasks on graph-structured data. However, common challenges faced by many GNNs in the literature include the problem of graph node embedding under various geometries and…

Machine Learning · Computer Science 2023-03-03 Qiyu Kang , Kai Zhao , Yang Song , Sijie Wang , Rui She , Wee Peng Tay

Synthesizing high-quality training data is crucial for enhancing domain models' reasoning abilities. Existing methods face limitations in long-tail knowledge coverage, effectiveness verification, and interpretability. Knowledge-graph-based…

Artificial Intelligence · Computer Science 2026-03-02 Lun Zhan , Feng Xiong , Huanyong Liu , Feng Zhang , Yuhui Yin

In this paper, we propose a novel framework to automatically utilize task-dependent semantic information which is encoded in heterogeneous information networks (HINs). Specifically, we search for a meta graph, which can capture more complex…

Machine Learning · Computer Science 2021-09-28 Yuhui Ding , Quanming Yao , Huan Zhao , Tong Zhang

The pre-training and fine-tuning methods have gained widespread attention in the field of heterogeneous graph neural networks due to their ability to leverage large amounts of unlabeled data during the pre-training phase, allowing the model…

Machine Learning · Computer Science 2025-07-11 Pengfei Jiao , Jialong Ni , Di Jin , Xuan Guo , Huan Liu , Hongjiang Chen , Yanxian Bi

This paper addresses the challenge of incremental learning in growing graphs with increasingly complex tasks. The goal is to continuously train a graph model to handle new tasks while retaining proficiency in previous tasks via memory…

Machine Learning · Computer Science 2025-03-04 Ziyue Qiao , Junren Xiao , Qingqiang Sun , Meng Xiao , Xiao Luo , Hui Xiong

Graph neural networks (GNNs) have been broadly studied on dynamic graphs for their representation learning, majority of which focus on graphs with homogeneous structures in the spatial domain. However, many real-world graphs - i.e.,…

Machine Learning · Computer Science 2021-10-27 Yujie Fan , Mingxuan Ju , Chuxu Zhang , Liang Zhao , Yanfang Ye

Knowledge graph completion aims to address the problem of extending a KG with missing triples. In this paper, we provide an approach GenKGC, which converts knowledge graph completion to sequence-to-sequence generation task with the…

Computation and Language · Computer Science 2023-03-15 Xin Xie , Ningyu Zhang , Zhoubo Li , Shumin Deng , Hui Chen , Feiyu Xiong , Mosha Chen , Huajun Chen

The information diffusion performance of GCN and its variant models is limited by the adjacency matrix, which can lower their performance. Therefore, we introduce a new framework for graph convolutional networks called Hybrid…

Machine Learning · Computer Science 2023-04-03 Zhi Yang , Kang Li , Haitao Gan , Zhongwei Huang , Ming Shi

Graph neural networks for heterogeneous graph embedding is to project nodes into a low-dimensional space by exploring the heterogeneity and semantics of the heterogeneous graph. However, on the one hand, most of existing heterogeneous graph…

Machine Learning · Computer Science 2022-12-01 Zezhi Shao , Yongjun Xu , Wei Wei , Fei Wang , Zhao Zhang , Feida Zhu

Cognitive diagnosis is a fundamental and critical task in learning assessment, which aims to infer students' proficiency on knowledge concepts from their response logs. Current works assume each knowledge concept will certainly be tested…

Artificial Intelligence · Computer Science 2024-10-21 Miao Zhang , Ziming Wang , Runtian Xing , Kui Xiao , Zhifei Li , Yan Zhang , Chang Tang

Many large-scale knowledge graphs are now available and ready to provide semantically structured information that is regarded as an important resource for question answering and decision support tasks. However, they are built on rigid…

Computation and Language · Computer Science 2020-04-17 Jiehang Zeng , Lu Liu , Xiaoqing Zheng

Heterogeneous graph neural networks (HGNNs) have been widely applied in heterogeneous information network tasks, while most HGNNs suffer from poor scalability or weak representation when they are applied to large-scale heterogeneous graphs.…

Machine Learning · Computer Science 2022-11-23 Ziming Wan , Deqing Wang , Xuehua Ming , Fuzhen Zhuang , Chenguang Du , Ting Jiang , Zhengyang Zhao

The prevalence of real-world multi-view data makes incomplete multi-view clustering (IMVC) a crucial research. The rapid development of Graph Neural Networks (GNNs) has established them as one of the mainstream approaches for multi-view…

Knowledge distillation (KD) techniques have emerged as a powerful tool for transferring expertise from complex teacher models to lightweight student models, particularly beneficial for deploying high-performance models in…

Machine Learning · Computer Science 2025-10-28 Paul Agbaje , Arkajyoti Mitra , Afia Anjum , Pranali Khose , Ebelechukwu Nwafor , Habeeb Olufowobi

Graph Neural Networks (GNNs) unlock new ways of learning from graph-structured data, proving highly effective in capturing complex relationships and patterns. Federated GNNs (FGNNs) have emerged as a prominent distributed learning paradigm…

Machine Learning · Computer Science 2026-01-23 Xiuling Wang , Xin Huang , Haibo Hu , Jianliang Xu

Abstract. The advancement of deep learning has coincided with the proliferation of both models and available data. The surge in dataset sizes and the subsequent surge in computational requirements have led to the development of the Dataset…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Jun-Yeong Moon , Jung Uk Kim , Gyeong-Moon Park

Various Graph Neural Networks (GNNs) have been successful in analyzing data in non-Euclidean spaces, however, they have limitations such as oversmoothing, i.e., information becomes excessively averaged as the number of hidden layers…

Machine Learning · Computer Science 2024-01-23 Jaeyoon Sim , Sooyeon Jeon , InJun Choi , Guorong Wu , Won Hwa Kim

Knowledge distillation (KD) has shown to be effective to boost the performance of graph neural networks (GNNs), where the typical objective is to distill knowledge from a deeper teacher GNN into a shallower student GNN. However, it is often…

Machine Learning · Computer Science 2023-11-17 Kaituo Feng , Yikun Miao , Changsheng Li , Ye Yuan , Guoren Wang

Multi-modal knowledge graph completion (MMKGC) aims to discover missing facts in multi-modal knowledge graphs (MMKGs) by leveraging both structural relationships and diverse modality information of entities. Existing MMKGC methods follow…

Computation and Language · Computer Science 2026-04-20 Zhiqiang Liu , Yichi Zhang , Mengshu Sun , Lei Liang , Wen Zhang