中文
相关论文

相关论文: Instance-Prototype Affinity Learning for Non-Exemp…

200 篇论文

Graph contrastive learning (GCL) has emerged as an effective tool for learning unsupervised representations of graphs. The key idea is to maximize the agreement between two augmented views of each graph via data augmentation. Existing GCL…

机器学习 · 计算机科学 2022-09-16 Xin Zhang , Qiaoyu Tan , Xiao Huang , Bo Li

Graph out-of-distribution (OOD) generalization remains a major challenge in graph learning since graph neural networks (GNNs) often suffer from severe performance degradation under distribution shifts. Invariant learning, aiming to extract…

机器学习 · 计算机科学 2025-02-14 Wenyu Mao , Jiancan Wu , Haoyang Liu , Yongduo Sui , Xiang Wang

In-context learning (ICL) is a new paradigm for natural language processing that utilizes Generative Pre-trained Transformer (GPT)-like models. This approach uses prompts that include in-context demonstrations to generate the corresponding…

计算与语言 · 计算机科学 2024-01-24 Momin Abbas , Yi Zhou , Parikshit Ram , Nathalie Baracaldo , Horst Samulowitz , Theodoros Salonidis , Tianyi Chen

Recently, contrastive learning (CL) has emerged as a successful method for unsupervised graph representation learning. Most graph CL methods first perform stochastic augmentation on the input graph to obtain two graph views and maximize the…

机器学习 · 计算机科学 2021-03-01 Yanqiao Zhu , Yichen Xu , Feng Yu , Qiang Liu , Shu Wu , Liang Wang

Graph contrastive learning (GCL) has emerged as a pivotal technique in the domain of graph representation learning. A crucial aspect of effective GCL is the caliber of generated positive and negative samples, which is intrinsically dictated…

机器学习 · 计算机科学 2024-02-19 Xinjian Zhao , Liang Zhang , Yang Liu , Ruocheng Guo , Xiangyu Zhao

The dynamic nature of open-world scenarios has attracted more attention to class incremental learning (CIL). However, existing CIL methods typically presume the availability of complete ground-truth labels throughout the training process,…

机器学习 · 计算机科学 2024-08-20 Jiaming Liu , Hongyuan Liu , Zhili Qin , Wei Han , Yulu Fan , Qinli Yang , Junming Shao

In this paper, we propose an end-to-end graph learning framework, namely Deep Iterative and Adaptive Learning for Graph Neural Networks (DIAL-GNN), for jointly learning the graph structure and graph embeddings simultaneously. We first cast…

机器学习 · 计算机科学 2019-12-18 Yu Chen , Lingfei Wu , Mohammed J. Zaki

Graph Contrastive Learning (GCL) has emerged as a powerful paradigm for training Graph Neural Networks (GNNs) in the absence of task-specific labels. However, its scalability on large-scale graphs is hindered by the intensive message…

机器学习 · 计算机科学 2025-11-12 Xiang Chen , Kun Yue , Wenjie Liu , Zhenyu Zhang , Liang Duan

The pretasks are mainly built on mutual information estimation, which requires data augmentation to construct positive samples with similar semantics to learn invariant signals and negative samples with dissimilar semantics in order to…

机器学习 · 计算机科学 2023-03-07 Haifeng Li , Jun Cao , Jiawei Zhu , Qinyao Luo , Silu He , Xuyin Wang

In this paper, we propose an instance similarity learning (ISL) method for unsupervised feature representation. Conventional methods assign close instance pairs in the feature space with high similarity, which usually leads to wrong…

计算机视觉与模式识别 · 计算机科学 2021-08-06 Ziwei Wang , Yunsong Wang , Ziyi Wu , Jiwen Lu , Jie Zhou

Despite significant advances, continual learning models still suffer from catastrophic forgetting when exposed to incrementally available data from non-stationary distributions. Rehearsal approaches alleviate the problem by maintaining and…

机器学习 · 统计学 2021-03-02 Binh Tang , David S. Matteson

Speaker verification system trained on one domain usually suffers performance degradation when applied to another domain. To address this challenge, researchers commonly use feature distribution matching-based methods in unsupervised domain…

音频与语音处理 · 电气工程与系统科学 2024-10-23 Wen Huang , Bing Han , Zhengyang Chen , Shuai Wang , Yanmin Qian

Graph neural network (GNN) is a powerful learning approach for graph-based recommender systems. Recently, GNNs integrated with contrastive learning have shown superior performance in recommendation with their data augmentation schemes,…

信息检索 · 计算机科学 2023-06-16 Xuheng Cai , Chao Huang , Lianghao Xia , Xubin Ren

The "Graph pre-training and fine-tuning" paradigm has significantly improved Graph Neural Networks(GNNs) by capturing general knowledge without manual annotations for downstream tasks. However, due to the immense gap of data and tasks…

机器学习 · 计算机科学 2024-02-22 Yuchen Yan , Peiyan Zhang , Zheng Fang , Qingqing Long

Continual learning (CL) enables deep networks to acquire new knowledge while avoiding catastrophic forgetting. The powerful generalization ability of pre-trained models (PTMs), such as the Contrastive Language-Image Pre-training (CLIP)…

计算机视觉与模式识别 · 计算机科学 2025-12-22 Haodong Lu , Xinyu Zhang , Kristen Moore , Jason Xue , Lina Yao , Anton van den Hengel , Dong Gong

New Intent Discovery (NID) aims to recognize known and infer new intent categories with the help of limited labeled and large-scale unlabeled data. The task is addressed as a feature-clustering problem and recent studies augment instance…

计算与语言 · 计算机科学 2024-03-26 Shun Zhang , Jian Yang , Jiaqi Bai , Chaoran Yan , Tongliang Li , Zhao Yan , Zhoujun Li

Graph Neural Networks (GNNs) have achieved great success in learning graph representations and thus facilitating various graph-related tasks. However, most GNN methods adopt a supervised learning setting, which is not always feasible in…

机器学习 · 计算机科学 2022-08-16 Hongliang Chi , Yao Ma

Self-supervised learning of graph neural networks (GNN) is in great need because of the widespread label scarcity issue in real-world graph/network data. Graph contrastive learning (GCL), by training GNNs to maximize the correspondence…

机器学习 · 计算机科学 2021-11-04 Susheel Suresh , Pan Li , Cong Hao , Jennifer Neville

Deep learning models have achieved state-of-the-art performance in many computer vision tasks. However, in real-world scenarios, novel classes that were unseen during training often emerge, requiring models to acquire new knowledge…

计算机视觉与模式识别 · 计算机科学 2025-09-01 Lucas Rakotoarivony

Graph classification has gained significant attention due to its applications in chemistry, social networks, and bioinformatics. While Graph Neural Networks (GNNs) effectively capture local structural patterns, they often overlook global…

机器学习 · 计算机科学 2025-12-03 Ahmet Sami Korkmaz , Selim Coskunuzer , Md Joshem Uddin