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Self-Supervised learning aims to eliminate the need for expensive annotation in graph representation learning, where graph contrastive learning (GCL) is trained with the self-supervision signals containing data-data pairs. These data-data…

机器学习 · 计算机科学 2022-07-06 Adnan Ali , Jinlong Li

Recently, generative graph models have shown promising results in learning graph representations through self-supervised methods. However, most existing generative graph representation learning (GRL) approaches rely on random masking across…

机器学习 · 计算机科学 2026-05-08 Xinyue Hu , Zhibin Duan , Xinyang Liu , Yuxin Li , Bo Chen , Chaojie Wang , Yilin He , Hongwei Liu , Mingyuan Zhou

Graph neural networks (GNNs) have limited expressive power, failing to represent many graph classes correctly. While more expressive graph representation learning (GRL) alternatives can distinguish some of these classes, they are…

机器学习 · 计算机科学 2021-12-08 Leonardo Cotta , Christopher Morris , Bruno Ribeiro

Joint-Embedding Predictive Architectures (JEPAs) have recently emerged as a novel and powerful technique for self-supervised representation learning. They aim to learn an energy-based model by predicting the latent representation of a…

机器学习 · 计算机科学 2025-01-22 Geri Skenderi , Hang Li , Jiliang Tang , Marco Cristani

Self-supervision is often used for pre-training to foster performance on a downstream task by constructing meaningful representations of samples. Self-supervised learning (SSL) generally involves generating different views of the same…

机器学习 · 计算机科学 2025-05-06 Hugo Thimonier , José Lucas De Melo Costa , Fabrice Popineau , Arpad Rimmel , Bich-Liên Doan

How can we accurately classify graphs? Graph classification is a pivotal task in data mining with applications in social network analysis, web analysis, drug discovery, molecular property prediction, etc. Graph neural networks have achieved…

机器学习 · 计算机科学 2025-03-28 Minjun Kim , Jaehyeon Choi , SeungJoo Lee , Jinhong Jung , U Kang

Self-supervised representation learning on text-attributed graphs, which aims to create expressive and generalizable representations for various downstream tasks, has received increasing research attention lately. However, existing methods…

计算与语言 · 计算机科学 2023-10-24 Yichuan Li , Kaize Ding , Kyumin Lee

Data-efficient learning on graphs (GEL) is essential in real-world applications. Existing GEL methods focus on learning useful representations for nodes, edges, or entire graphs with ``small'' labeled data. But the problem of data-efficient…

机器学习 · 计算机科学 2023-02-24 Chang Liu , Yuwen Yang , Zhe Xie , Hongtao Lu , Yue Ding

Retrieval-Augmented Generation (RAG) offers a cost-effective approach to injecting real-time knowledge into large language models (LLMs). Nevertheless, constructing and validating high-quality knowledge repositories require considerable…

计算与语言 · 计算机科学 2024-05-28 Xun Liang , Simin Niu , Zhiyu li , Sensen Zhang , Shichao Song , Hanyu Wang , Jiawei Yang , Feiyu Xiong , Bo Tang , Chenyang Xi

Subgraph representation learning based on Graph Neural Network (GNN) has exhibited broad applications in scientific advancements, such as predictions of molecular structure-property relationships and collective cellular function. In…

机器学习 · 计算机科学 2022-10-17 Yili Shen , Xiao Liu , Cheng-Wei Ju , Jiaxu Yan , Jun Yi , Zhou Lin , Hui Guan

Unrolled computation graphs arise in many scenarios, including training RNNs, tuning hyperparameters through unrolled optimization, and training learned optimizers. Current approaches to optimizing parameters in such computation graphs…

机器学习 · 计算机科学 2021-12-28 Paul Vicol , Luke Metz , Jascha Sohl-Dickstein

Graph neural networks, a powerful deep learning tool to model graph-structured data, have demonstrated remarkable performance on numerous graph learning tasks. To address the data noise and data scarcity issues in deep graph learning, the…

机器学习 · 计算机科学 2022-11-22 Kaize Ding , Zhe Xu , Hanghang Tong , Huan Liu

Graphs are crucial for representing interrelated data and aiding predictive modeling by capturing complex relationships. Achieving high-quality graph representation is important for identifying linked patterns, leading to improvements in…

机器学习 · 计算机科学 2024-07-23 Sumeyye Bas , Kiymet Kaya , Resul Tugay , Sule Gunduz Oguducu

Computational materials discovery has continually grown in utility over the past decade due to advances in computing power and crystal structure prediction algorithms (CSPA). However, the computational cost of the \textit{ab initio}…

计算物理 · 物理学 2022-03-01 Jason B. Gibson , Ajinkya C. Hire , Richard G. Hennig

This comprehensive review delves deeply into the various methodologies applied to facial expression recognition (FER) through the lens of graph representation learning (GRL). Initially, we introduce the task of FER and the concepts of graph…

计算机视觉与模式识别 · 计算机科学 2024-11-14 Théo Gueuret , Akrem Sellami , Chaabane Djeraba

Graph Representation Learning (GRL) is a fundamental task in machine learning, aiming to encode high-dimensional graph-structured data into low-dimensional vectors. Self-Supervised Learning (SSL) methods are widely used in GRL because they…

机器学习 · 计算机科学 2025-06-13 Shifeng Xie , Aref Einizade , Jhony H. Giraldo

In this paper, we introduce a self-supervised learning method to enhance the graph-level representations with the help of a set of subgraphs. For this purpose, we propose a universal framework to generate subgraphs in an auto-regressive way…

机器学习 · 计算机科学 2021-05-10 Chenguang Wang , Ziwen Liu

Fine-grained image classification has witnessed significant advancements with the advent of deep learning and computer vision technologies. However, the scarcity of detailed annotations remains a major challenge, especially in scenarios…

计算机视觉与模式识别 · 计算机科学 2026-05-20 Bowen Tian , Songning Lai , Lujundong Li , Zhihao Shuai , Runwei Guan , Tian Wu , Yutao Yue

The success of graph neural networks on graph-based web mining highly relies on abundant human-annotated data, which is laborious to obtain in practice. When only few labeled nodes are available, how to improve their robustness is a key to…

机器学习 · 计算机科学 2022-12-13 Kaize Ding , Elnaz Nouri , Guoqing Zheng , Huan Liu , Ryen White

Representing a graph as a vector is a challenging task; ideally, the representation should be easily computable and conducive to efficient comparisons among graphs, tailored to the particular data and analytical task at hand. Unfortunately,…

社会与信息网络 · 计算机科学 2018-11-16 Anton Tsitsulin , Davide Mottin , Panagiotis Karras , Alex Bronstein , Emmanuel Müller