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相关论文: Learning Topology-Specific Experts for Molecular P…

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Graph neural networks (GNNs) have been used extensively for addressing problems in drug design and discovery. Both ligand and target molecules are represented as graphs with node and edge features encoding information about atomic elements…

机器学习 · 计算机科学 2021-10-14 Dhananjay Bhaskar , Jackson D. Grady , Michael A. Perlmutter , Smita Krishnaswamy

Topological learning is a wide research area aiming at uncovering the mutual spatial relationships between the elements of a set. Some of the most common and oldest approaches involve the use of unsupervised competitive neural networks.…

机器学习 · 统计学 2021-11-03 Pietro Barbiero , Gabriele Ciravegna , Vincenzo Randazzo , Giansalvo Cirrincione

Solving the optimal power flow (OPF) problem is a fundamental task to ensure the system efficiency and reliability in real-time electricity grid operations. We develop a new topology-informed graph neural network (GNN) approach for…

系统与控制 · 电气工程与系统科学 2022-11-03 Shaohui Liu , Chengyang Wu , Hao Zhu

Graph Neural Networks (GNNs) have enjoyed wide spread applications in graph-structured data. However, existing graph based applications commonly lack annotated data. GNNs are required to learn latent patterns from a limited amount of…

机器学习 · 计算机科学 2023-03-22 Wenqi Wei , Mu Qiao , Divyesh Jadav

The recent success of graph neural networks has significantly boosted molecular property prediction, advancing activities such as drug discovery. The existing deep neural network methods usually require large training dataset for each…

机器学习 · 计算机科学 2021-02-17 Zhichun Guo , Chuxu Zhang , Wenhao Yu , John Herr , Olaf Wiest , Meng Jiang , Nitesh V. Chawla

Link prediction is a crucial task in graph machine learning with diverse applications. We explore the interplay between node attributes and graph topology and demonstrate that incorporating pre-trained node attributes improves the…

机器学习 · 计算机科学 2023-07-19 Ayan Chatterjee , Robin Walters , Giulia Menichetti , Tina Eliassi-Rad

The standard cosmological model with cold dark matter posits a hierarchical formation of structures. We introduce topological neural networks (TNNs), implemented as message-passing neural networks on higher-order structures, to effectively…

宇宙学与河外天体物理 · 物理学 2025-08-06 Jun-Young Lee , Francisco Villaescusa-Navarro

Recently, graph neural networks (GNNs)-based recommender systems have encountered great success in recommendation. As the number of GNNs approaches rises, some works have started questioning the theoretical and empirical reasons behind…

Nowadays the development of new functional materials/chemical compounds using machine learning (ML) techniques is a hot topic and includes several crucial steps, one of which is the choice of chemical structure representation. Classical…

计算物理 · 物理学 2020-06-11 Vadim Korolev , Artem Mitrofanov , Alexandru Korotcov , Valery Tkachenko

Molecular representation learning is vital for various downstream applications, including the analysis and prediction of molecular properties and side effects. While Graph Neural Networks (GNNs) have been a popular framework for modeling…

机器学习 · 计算机科学 2025-02-18 Pengcheng Jiang , Cao Xiao , Tianfan Fu , Parminder Bhatia , Taha Kass-Hout , Jimeng Sun , Jiawei Han

The high degrees of freedom and complex structure of garments present significant challenges for clothing manipulation. In this paper, we propose a general topological dynamics model to fold complex clothing. By utilizing the visible…

机器人学 · 计算机科学 2025-04-30 Yiming Liu , Lijun Han , Enlin Gu , Hesheng Wang

Learning graph convolutional networks (GCNs) is an emerging field which aims at generalizing convolutional operations to arbitrary non-regular domains. In particular, GCNs operating on spatial domains show superior performances compared to…

计算机视觉与模式识别 · 计算机科学 2021-12-08 Hichem Sahbi

There has been a lot of interest in developing algorithms to extract clusters or communities from networks. This work proposes a method, based on blockmodelling, for leveraging communities and other topological features for use in a…

社会与信息网络 · 计算机科学 2011-10-20 Leto Peel

When training transformers on graph-structured data, incorporating information about the underlying topology is crucial for good performance. Topological masking, a type of relative position encoding, achieves this by upweighting or…

Graph neural networks (GNNs) are a powerful tool to learn representations on graphs by iteratively aggregating features from node neighbourhoods. Many variant models have been proposed, but there is limited understanding on both how to…

机器学习 · 计算机科学 2019-11-14 Michael Lingzhi Li , Meng Dong , Jiawei Zhou , Alexander M. Rush

Graph neural networks (GNNs) are increasingly used to model biological systems, yet the reliability of post-hoc explanation methods for recovering meaningful molecular mechanisms remains unclear. Here, we systematically evaluate four widely…

分子网络 · 定量生物学 2026-05-22 Kyle Higgins , Ivan Laponogov , Dennis Veselkov , Kirill Veselkov

Graphs neural networks (GNNs) learn node features by aggregating and combining neighbor information, which have achieved promising performance on many graph tasks. However, GNNs are mostly treated as black-boxes and lack human intelligible…

机器学习 · 计算机科学 2020-06-05 Hao Yuan , Jiliang Tang , Xia Hu , Shuiwang Ji

This paper presents a machine learning-based framework for topology optimization of self-supporting structures, specifically tailored for additive manufacturing (AM). By employing a graph neural network (GNN) that acts as a neural field…

计算工程、金融与科学 · 计算机科学 2025-08-27 Alireza Tabarraei , Saquib Ahmad Bhuiyan

Representation learning on graphs is a fundamental problem that can be crucial in various tasks. Graph neural networks, the dominant approach for graph representation learning, are limited in their representation power. Therefore, it can be…

机器学习 · 计算机科学 2025-01-17 Zuoyu Yan , Qi Zhao , Ze Ye , Tengfei Ma , Liangcai Gao , Zhi Tang , Yusu Wang , Chao Chen

Graph Neural Networks (GNNs) have been highly successful for the node classification task. GNNs typically assume graphs are homophilic, i.e. neighboring nodes are likely to belong to the same class. However, a number of real-world graphs…

机器学习 · 计算机科学 2024-09-20 Yurui Lai , Taiyan Zhang , Rui Fan