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This paper presents a new look at the neural network (NN) robustness problem, from the point of view of graph theory analysis, specifically graph curvature. Graph curvature (e.g., Ricci curvature) has been used to analyze system dynamics…

机器学习 · 计算机科学 2024-12-17 Shuhang Tan , Jayson Sia , Paul Bogdan , Radoslav Ivanov

Graph curvature provides geometric priors for Graph Neural Networks (GNNs), enhancing their ability to model complex graph structures, particularly in terms of structural awareness, robustness, and theoretical interpretability. Among…

机器学习 · 计算机科学 2025-12-29 Chaoqun Fei , Tinglve Zhou , Tianyong Hao , Yangyang Li

A novel method to identify salient computational paths within randomly wired neural networks before training is proposed. The computational graph is pruned based on a node mass probability function defined by local graph measures and…

机器学习 · 计算机科学 2020-07-09 Samuel Glass , Simeon Spasov , Pietro Liò

Randomly Wired Neural Networks (RWNNs) serve as a valuable testbed for investigating the impact of network topology in deep learning by capturing how different connectivity patterns impact both learning efficiency and model performance. At…

计算机视觉与模式识别 · 计算机科学 2026-02-02 Pavithra Elumalai , Sudharsan Vijayaraghavan , Madhumita Mondal , Areejit Samal

We introduce ORC-ManL, a new algorithm to prune spurious edges from nearest neighbor graphs using a criterion based on Ollivier-Ricci curvature and estimated metric distortion. Our motivation comes from manifold learning: we show that when…

机器学习 · 计算机科学 2025-07-30 Tristan Luca Saidi , Abigail Hickok , Andrew J. Blumberg

Graph neural networks (GNNs) have achieved great success in many graph-based tasks. Much work is dedicated to empowering GNNs with the adaptive locality ability, which enables measuring the importance of neighboring nodes to the target node…

机器学习 · 计算机科学 2021-07-01 Haifeng Li , Jun Cao , Jiawei Zhu , Yu Liu , Qing Zhu , Guohua Wu

Graph neural network (GNN) has been demonstrated powerful in modeling graph-structured data. However, despite many successful cases of applying GNNs to various graph classification and prediction tasks, whether the graph geometrical…

机器学习 · 计算机科学 2023-07-20 Dai Shi , Yi Guo , Zhiqi Shao , Junbin Gao

In recent years extensions of manifold Ricci curvature to discrete combinatorial objects such as graphs and hypergraphs (popularly called as "network shapes"), have found a plethora of applications in a wide spectrum of research areas…

数据结构与算法 · 计算机科学 2026-05-12 Bhaskar DasGupta , Katie Kruzan

We propose a learning-augmented framework for accelerating max-flow computation and image segmentation by integrating Graph Neural Networks (GNNs) with the Ford-Fulkerson algorithm. Rather than predicting initial flows, our method learns…

机器学习 · 计算机科学 2026-04-24 Eleanor Wiesler , Trace Baxley

Geometric deep learning has demonstrated a great potential in non-Euclidean data analysis. The incorporation of geometric insights into learning architecture is vital to its success. Here we propose a curvature-enhanced graph convolutional…

定量方法 · 定量生物学 2023-06-27 Cong Shen , Pingjian Ding , Junjie Wee , Jialin Bi , Jiawei Luo , Kelin Xia

Graph Neural Network (GNN) research has produced strategies to modify a graph's edges using gradients from a trained GNN, with the goal of network design. However, the factors which govern gradient-based editing are understudied, obscuring…

机器学习 · 计算机科学 2023-10-27 Donald Loveland , Rajmonda Caceres

Graph neural networks (GNNs) have become a popular approach to integrating structural inductive biases into NLP models. However, there has been little work on interpreting them, and specifically on understanding which parts of the graphs…

计算与语言 · 计算机科学 2022-10-04 Michael Sejr Schlichtkrull , Nicola De Cao , Ivan Titov

Graph Neural Networks (GNNs) have achieved great success in representing data with dependencies by recursively propagating and aggregating messages along the edges. However, edges in real-world graphs often have varying degrees of…

机器学习 · 计算机科学 2023-10-31 Zheng Zhang , Junxiang Wang , Liang Zhao

Graph Neural Networks (GNNs) as deep learning models working on graph-structure data have achieved advanced performance in many works. However, it has been proved repeatedly that, not all edges in a graph are necessary for the training of…

社会与信息网络 · 计算机科学 2022-11-11 Zishan Gu , Jintang Li , Liang Chen

Geometric Representation Learning (GRL) aims to approximate the non-Euclidean topology of high-dimensional data through discrete graph structures, grounded in the manifold hypothesis. However, traditional static graph construction methods…

机器学习 · 计算机科学 2026-01-14 Chaoqun Fei , Huanjiang Liu , Tinglve Zhou , Yangyang Li , Tianyong Hao

Many networks, such as transportation, power, and water distribution, can be represented as graphs. Crucial challenge in graph representations is identifying the importance of graph edges and their influence on overall network efficiency…

社会与信息网络 · 计算机科学 2023-03-31 Debasish Jana , Sven Malama , Sriram Narasimhan , Ertugrul Taciroglu

Optimal power flow (OPF) is a critical optimization problem that allocates power to the generators in order to satisfy the demand at a minimum cost. Solving this problem exactly is computationally infeasible in the general case. In this…

系统与控制 · 电气工程与系统科学 2022-10-18 Damian Owerko , Fernando Gama , Alejandro Ribeiro

Graph Neural Networks (GNNs) traditionally employ a message-passing mechanism that resembles diffusion over undirected graphs, which often leads to homogenization of node features and reduced discriminative power in tasks such as node…

机器学习 · 计算机科学 2025-03-04 Seong Ho Pahng , Sahand Hormoz

Lightweight model design has become an important direction in the application of deep learning technology, pruning is an effective mean to achieve a large reduction in model parameters and FLOPs. The existing neural network pruning methods…

机器学习 · 计算机科学 2021-11-19 Zhuangzhi Chen , Jingyang Xiang , Yao Lu , Qi Xuan , Xiaoniu Yang

Curvature serves as a potent and descriptive invariant, with its efficacy validated both theoretically and practically within graph theory. We employ a definition of generalized Ricci curvature proposed by Ollivier, which Lin and Yau later…

机器学习 · 统计学 2024-05-24 Wonwoo Kang , Heehyun Park
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