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The prediction of protein-protein interactions (PPIs) is crucial for understanding biological functions and diseases. Previous machine learning approaches to PPI prediction mainly focus on direct physical interactions, ignoring the broader…

Biomolecules · Quantitative Biology 2024-07-15 Mingyu Jin , Haochen Xue , Zhenting Wang , Boming Kang , Ruosong Ye , Kaixiong Zhou , Mengnan Du , Yongfeng Zhang

Protein-protein interaction (PPI) networks provide valuable insights into the function of biological systems, and aligning multiple PPI networks can reveal important functional relationships between different species. However, assessing the…

Molecular Networks · Quantitative Biology 2024-08-02 Reza Mousapour , Kimia Yazdani , Wayne B. Hayes

The message-passing mechanism underlying Graph Neural Networks (GNNs) is not naturally suited for heterophilic datasets, where adjacent nodes often have different labels. Most solutions to this problem remain confined to the task of node…

Machine Learning · Computer Science 2025-06-30 Andrea Giuseppe Di Francesco , Francesco Caso , Maria Sofia Bucarelli , Fabrizio Silvestri

Graph Neural Networks (GNNs) have achieved notable success in the analysis of non-Euclidean data across a wide range of domains. However, their applicability is constrained by the dependence on the observed graph structure. To solve this…

Machine Learning · Computer Science 2024-09-19 Ziyan Wang , Yaxuan He , Bin Liu

The prediction modeling of drug-target interactions is crucial to drug discovery and design, which has seen rapid advancements owing to deep learning technologies. Recently developed methods, such as those based on graph neural networks…

Quantitative Methods · Quantitative Biology 2025-11-19 Xinnan Zhang , Jialin Wu , Junyi Xie , Tianlong Chen , Kaixiong Zhou

In complex and low-data domains such as biomedical research, incorporating background knowledge (BK) graphs, such as protein-protein interaction (PPI) networks, into graph-based machine learning pipelines is a promising research direction.…

Machine Learning · Computer Science 2025-09-23 Kutalmış Coşkun , Ivo Kavisanczki , Amin Mirzaei , Tom Siegl , Bjarne C. Hiller , Stefan Lüdtke , Martin Becker

Accurately predicting drug-target interactions (DTIs) is pivotal for advancing drug discovery and target validation techniques. While machine learning approaches including those that are based on Graph Neural Networks (GNN) have achieved…

Machine Learning · Computer Science 2025-09-30 Yuehua Song , Yong Gao

Link prediction is a fundamental problem in graph data analysis. While most of the literature focuses on transductive link prediction that requires all the graph nodes and majority of links in training, inductive link prediction, which only…

Machine Learning · Computer Science 2021-10-01 Huidong Liang , Junbin Gao

Network theorists have developed methods to characterize the complex interactions in natural phenomena. The structure of the network of interactions between proteins is important in the field of proteomics, and has been subject to intensive…

Molecular Networks · Quantitative Biology 2016-09-07 Allan A. Zea , Antonio Rueda-Toicen

Link prediction is a classical problem in graph analysis with many practical applications. For directed graphs, recently developed deep learning approaches typically analyze node similarities through contrastive learning and aggregate…

Machine Learning · Computer Science 2025-06-26 Yuyang Zhang , Xu Shen , Yu Xie , Ka-Chun Wong , Weidun Xie , Chengbin Peng

Entity interaction prediction is essential in many important applications such as chemistry, biology, material science, and medical science. The problem becomes quite challenging when each entity is represented by a complex structure,…

Machine Learning · Computer Science 2021-04-13 Hanchen Wang , Defu Lian , Ying Zhang , Lu Qin , Xuemin Lin

Graph neural networks (GNNs) demonstrate great performance in compound property and activity prediction due to their capability to efficiently learn complex molecular graph structures. However, two main limitations persist including…

Biomolecules · Quantitative Biology 2023-10-10 Apakorn Kengkanna , Masahito Ohue

Over the past decade, Graph Neural Networks (GNNs) have transformed graph representation learning. In the widely adopted message-passing GNN framework, nodes refine their representations by aggregating information from neighboring nodes…

Machine Learning · Computer Science 2025-11-26 Astrit Tola , Jack Myrick , Baris Coskunuzer

Recently, the structural controllability theory has been introduced to analyze the Protein-Protein Interaction (PPI) network. The indispensable nodes, which their removal increase the number of driver nodes to control the network, are found…

Computational Physics · Physics 2016-09-12 Xizhe Zhang , Huaizhen Wang , Yunyi Yang

Recently, graph-based models designed for downstream tasks have significantly advanced research on graph neural networks (GNNs). GNN baselines based on neural message-passing mechanisms such as GCN and GAT perform worse as the network…

Machine Learning · Computer Science 2023-01-26 Jiayuan Chen , Xiang Zhang , Yinfei Xu , Tianli Zhao , Renjie Xie , Wei Xu

The interdependence between nodes in graphs is key to improve class predictions on nodes and utilized in approaches like Label Propagation (LP) or in Graph Neural Networks (GNN). Nonetheless, uncertainty estimation for non-independent…

Machine Learning · Statistics 2021-10-28 Maximilian Stadler , Bertrand Charpentier , Simon Geisler , Daniel Zügner , Stephan Günnemann

Graph Neural Networks (GNNs) have become a powerful tool for modeling and analyzing data with graph structures. The wide adoption in numerous applications underscores the value of these models. However, the complexity of these methods often…

Artificial Intelligence · Computer Science 2025-12-10 Tien Cuong Bui

Graph Convolutional Neural Networks (GCNs) are widely used for graph analysis. Specifically, in medical applications, GCNs can be used for disease prediction on a population graph, where graph nodes represent individuals and edges represent…

Machine Learning · Computer Science 2022-07-19 Liang Peng , Nan Wang , Nicha Dvornek , Xiaofeng Zhu , Xiaoxiao Li

Graph classification benchmarks, vital for assessing and developing graph neural networks (GNNs), have recently been scrutinized, as simple methods like MLPs have demonstrated comparable performance. This leads to an important question: Do…

Machine Learning · Computer Science 2024-08-14 Zhengdao Li , Yong Cao , Kefan Shuai , Yiming Miao , Kai Hwang

The protein-ligand binding affinity (PLA) prediction goal is to predict whether or not the ligand could bind to a protein sequence. Recently, in PLA prediction, deep learning has received much attention. Two steps are involved in deep…

Quantitative Methods · Quantitative Biology 2024-05-21 Karim Abbasi , Parvin Razzaghi , Amin Ghareyazi , Hamid R. Rabiee