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Recent studies show that graph convolutional network (GCN) often performs worse for low-degree nodes, exhibiting the so-called structural unfairness for graphs with long-tailed degree distributions prevalent in the real world. Graph…

Machine Learning · Computer Science 2022-10-07 Ruijia Wang , Xiao Wang , Chuan Shi , Le Song

This paper focuses on learning representation on the whole graph level in an unsupervised manner. Learning graph-level representation plays an important role in a variety of real-world issues such as molecule property prediction, protein…

Machine Learning · Computer Science 2024-01-08 Ge Wang , Zelin Zang , Jiangbin Zheng , Jun Xia , Stan Z. Li

Prediction of protein-ligand (PL) binding affinity remains the key to drug discovery. Popular approaches in recent years involve graph neural networks (GNNs), which are used to learn the topology and geometry of PL complexes. However, GNNs…

Machine Learning · Computer Science 2022-05-17 Dmitrii Gavrilev , Nurlybek Amangeldiuly , Sergei Ivanov , Evgeny Burnaev

Graph contrastive learning (GCL) is an effective paradigm for node representation learning in graphs. The key components hidden behind GCL are data augmentation and positive-negative pair selection. Typical data augmentations in GCL, such…

Machine Learning · Computer Science 2024-07-25 Jiaqiang Zhang , Songcan Chen

This paper focuses on three critical problems on protein classification. Firstly, Carbohydrate-active enzyme (CAZyme) classification can help people to understand the properties of enzymes. However, one CAZyme may belong to several classes.…

Biomolecules · Quantitative Biology 2023-02-23 Zhuangwei Shi , Bo Li

Predicting molecule-protein interactions (MPIs) is a fundamental task in computational biology, with crucial applications in drug discovery and molecular function annotation. However, existing MPI models face two major challenges. First,…

Machine Learning · Computer Science 2025-12-11 Jiayu Qin , Zhengquan Luo , Guy Tadmor , Changyou Chen , David Zeevi , Zhiqiang Xu

While DeepMind has tentatively solved protein folding, its inverse problem -- protein design which predicts protein sequences from their 3D structures -- still faces significant challenges. Particularly, the lack of large-scale standardized…

Quantitative Methods · Quantitative Biology 2022-02-15 Zhangyang Gao , Cheng Tan , Stan Z. Li

In recent years, graph contrastive learning (GCL) has received increasing attention in recommender systems due to its effectiveness in reducing bias caused by data sparsity. However, most existing GCL models rely on heuristic approaches and…

Information Retrieval · Computer Science 2024-07-23 Jiakai Tang , Sunhao Dai , Zexu Sun , Xu Chen , Jun Xu , Wenhui Yu , Lantao Hu , Peng Jiang , Han Li

Recent multimodal models such as Contrastive Language-Image Pre-training (CLIP) have shown remarkable ability to align visual and linguistic representations. However, domains where small visual differences carry large semantic significance,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Hiroshi Sasaki

Attributed graph clustering, which learns node representation from node attribute and topological graph for clustering, is a fundamental but challenging task for graph analysis. Recently, methods based on graph contrastive learning (GCL)…

Machine Learning · Computer Science 2023-05-15 Wei Xia , Quanxue Gao , Ming Yang , Xinbo Gao

Dynamic node classification is critical for modeling evolving systems like financial transactions and academic collaborations. In such systems, dynamically capturing node information changes is critical for dynamic node classification,…

Machine Learning · Computer Science 2025-04-28 Shengtao Zhang , Haokai Zhang , Shiqi Lou , Zicheng Wang , Zinan Zeng , Yilin Wang , Minnan Luo

Node representation learning on attributed graphs -- whose nodes are associated with rich attributes (e.g., texts and protein sequences) -- plays a crucial role in many important downstream tasks. To encode the attributes and graph…

Machine Learning · Computer Science 2025-06-04 Zhihao Shi , Jie Wang , Fanghua Lu , Hanzhu Chen , Defu Lian , Zheng Wang , Jieping Ye , Feng Wu

Anomaly detection on attributed networks attracts considerable research interests due to wide applications of attributed networks in modeling a wide range of complex systems. Recently, the deep learning-based anomaly detection methods have…

Machine Learning · Computer Science 2021-05-07 Yixin Liu , Zhao Li , Shirui Pan , Chen Gong , Chuan Zhou , George Karypis

Images or videos always contain multiple objects or actions. Multi-label recognition has been witnessed to achieve pretty performance attribute to the rapid development of deep learning technologies. Recently, graph convolution network…

Computer Vision and Pattern Recognition · Computer Science 2019-11-22 Ya Wang , Dongliang He , Fu Li , Xiang Long , Zhichao Zhou , Jinwen Ma , Shilei Wen

Inspired by the success of contrastive learning (CL) in computer vision and natural language processing, graph contrastive learning (GCL) has been developed to learn discriminative node representations on graph datasets. However, the…

Machine Learning · Computer Science 2023-01-03 Zehong Wang , Qi Li , Donghua Yu , Xiaolong Han , Xiao-Zhi Gao , Shigen Shen

Recent works in self-supervised learning have advanced the state-of-the-art by relying on the contrastive learning paradigm, which learns representations by pushing positive pairs, or similar examples from the same class, closer together…

Machine Learning · Computer Science 2022-06-27 Jeff Z. HaoChen , Colin Wei , Adrien Gaidon , Tengyu Ma

Predicting protein-ligand binding affinity is an essential part of computer-aided drug design. However, generalisable and performant global binding affinity models remain elusive, particularly in low data regimes. Despite the evolution of…

Machine Learning · Computer Science 2024-09-23 Julia Buhmann , Ward Haddadin , Lukáš Pravda , Alan Bilsland , Hagen Triendl

Graph augmentation with contrastive learning has gained significant attention in the field of recommendation systems due to its ability to learn expressive user representations, even when labeled data is limited. However, directly applying…

Machine Learning · Computer Science 2024-03-26 Qianru Zhang , Lianghao Xia , Xuheng Cai , Siuming Yiu , Chao Huang , Christian S. Jensen

Graph matching has important applications in pattern recognition and beyond. Current approaches predominantly adopt supervised learning, demanding extensive labeled data which can be limited or costly. Meanwhile, self-supervised learning…

Machine Learning · Computer Science 2024-06-26 Jianyuan Bo , Yuan Fang

Accurate prediction of protein-ligand interactions is essential for computer-aided drug discovery. However, existing methods often fail to capture solvent-dependent conformational changes and lack the ability to jointly learn multiple…