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Contrastive deep graph clustering (CDGC) leverages the power of contrastive learning to group nodes into different clusters. The quality of contrastive samples is crucial for achieving better performance, making augmentation techniques a…

机器学习 · 计算机科学 2024-08-07 Xihong Yang , Erxue Min , Ke Liang , Yue Liu , Siwei Wang , Sihang Zhou , Huijun Wu , Xinwang Liu , En Zhu

Graph-based clustering has shown promising performance in many tasks. A key step of graph-based approach is the similarity graph construction. In general, learning graph in kernel space can enhance clustering accuracy due to the…

机器学习 · 计算机科学 2019-05-22 Zhao Kang , Honghui Xu , Boyu Wang , Hongyuan Zhu , Zenglin Xu

Graph clustering is a crucial task in network analysis with widespread applications, focusing on partitioning nodes into distinct groups with stronger intra-group connections than inter-group ones. Recently, contrastive learning has…

机器学习 · 计算机科学 2024-08-20 Xunlian Wu , Jingqi Hu , Anqi Zhang , Yining Quan , Qiguang Miao , Peng Gang Sun

Due to its powerful capability of self-supervised representation learning and clustering, contrastive attributed graph clustering (CAGC) has achieved great success, which mainly depends on effective data augmentation and contrastive…

机器学习 · 计算机科学 2025-10-06 Tianxiang Zhao , Youqing Wang , Jinlu Wang , Jiapu Wang , Mingliang Cui , Junbin Gao , Jipeng Guo

Investigating graph feature learning becomes essentially important with the emergence of graph data in many real-world applications. Several graph neural network approaches are proposed for node feature learning and they generally follow a…

机器学习 · 计算机科学 2021-01-07 Hao Yuan , Shuiwang Ji

Recent advances in deep learning have shown their ability to learn strong feature representations for images. The task of image clustering naturally requires good feature representations to capture the distribution of the data and…

计算机视觉与模式识别 · 计算机科学 2020-05-12 Vignesh Prasad , Dipanjan Das , Brojeshwar Bhowmick

Clustering is a fundamental task for analyzing unlabeled data based solely on its underlying distribution. Spectral clustering is a clustering method that represents a dataset as a graph and uses the relationships between data points.…

量子物理 · 物理学 2025-04-01 Hyeong-Gyu Kim , Siheon Park , June-Koo Kevin Rhee

In this paper, we develop a new aligned vertex convolutional network model to learn multi-scale local-level vertex features for graph classification. Our idea is to transform the graphs of arbitrary sizes into fixed-sized aligned vertex…

机器学习 · 计算机科学 2019-02-27 Lu Bai , Lixin Cui , Shu Wu , Yuhang Jiao , Edwin R. Hancock

The community detection problem on multilayer networks have drawn much interest. When the nodal covariates ar also present, few work has been done to integrate information from both sources. To leverage the multilayer networks and the…

统计方法学 · 统计学 2025-03-13 Da Zhao , Wanjie Wang , Jialiang Li

Recent advances in machine learning, particularly Large Language Models (LLMs) such as BERT and GPT, provide rich contextual embeddings that improve text representation. However, current document clustering approaches often ignore the…

计算与语言 · 计算机科学 2024-12-20 Imed Keraghel , Mohamed Nadif

Graph neural networks have been widely used for learning representations of nodes for many downstream tasks on graph data. Existing models were designed for the nodes on a single graph, which would not be able to utilize information across…

机器学习 · 计算机科学 2021-06-04 Meng Jiang

Deep generative models (DGMs) have achieved remarkable advances. Semi-supervised variational auto-encoders (SVAE) as a classical DGM offer a principled framework to effectively generalize from small labelled data to large unlabelled ones,…

社会与信息网络 · 计算机科学 2019-11-01 Zaiqiao Meng , Shangsong Liang , Jinyuan Fang , Teng Xiao

Graph Convolutional Networks (GCNs) have recently been shown to be quite successful in modeling graph-structured data. However, the primary focus has been on handling simple undirected graphs. Multi-relational graphs are a more general and…

机器学习 · 计算机科学 2020-01-22 Shikhar Vashishth , Soumya Sanyal , Vikram Nitin , Partha Talukdar

Unsupervised disentangled representation learning is a long-standing problem in computer vision. This work proposes a novel framework for performing image clustering from deep embeddings by combining instance-level contrastive learning with…

机器学习 · 计算机科学 2021-10-05 Ramakrishnan Sundareswaran , Jansel Herrera-Gerena , John Just , Ali Jannesari

We consider the clustering problem of attributed graphs. Our challenge is how we can design an effective and efficient clustering method that precisely captures the hidden relationship between the topology and the attributes in real-world…

机器学习 · 计算机科学 2023-05-09 Seiji Maekawa , Koh Takeuch , Makoto Onizuka

We present a multi-filtering Graph Convolution Neural Network (GCN) framework for network embedding task. It uses multiple local GCN filters to do feature extraction in every propagation layer. We show this approach could capture different…

机器学习 · 计算机科学 2020-04-06 Tingyi Wanyan , Chenwei Zhang , Ariful Azad , Xiaomin Liang , Daifeng Li , Ying Ding

Deep embedded clustering has become a dominating approach to unsupervised categorization of objects with deep neural networks. The optimization of the most popular methods alternates between the training of a deep autoencoder and a k-means…

机器学习 · 统计学 2021-05-04 Ahcène Boubekki , Michael Kampffmeyer , Robert Jenssen , Ulf Brefeld

Recently, graph convolutional networks (GCNs) have shown great potential for the task of graph matching. It can integrate graph node feature embedding, node-wise affinity learning and matching optimization together in a unified end-to-end…

计算机视觉与模式识别 · 计算机科学 2019-11-19 Bo Jiang , Pengfei Sun , Jin Tang , Bin Luo

Graph representation learning has emerged as a powerful tool for preserving graph topology when mapping nodes to vector representations, enabling various downstream tasks such as node classification and community detection. However, most…

机器学习 · 计算机科学 2025-03-21 Kaizhe Fan , Quanjun Li

Unsupervised approaches to learning in neural networks are of substantial interest for furthering artificial intelligence, both because they would enable the training of networks without the need for large numbers of expensive annotations,…

计算机视觉与模式识别 · 计算机科学 2019-04-11 Chengxu Zhuang , Alex Lin Zhai , Daniel Yamins