English
Related papers

Related papers: SR-GCL: Session-Based Recommendation with Global C…

200 papers

Graph Contrastive Learning (GCL) establishes a new paradigm for learning graph representations without human annotations. Although remarkable progress has been witnessed recently, the success behind GCL is still left somewhat mysterious. In…

Machine Learning · Computer Science 2021-10-27 Yanqiao Zhu , Yichen Xu , Qiang Liu , Shu Wu

Graph Neural Networks (GNNs) are powerful learning methods for recommender systems owing to their robustness in handling complicated user-item interactions. Recently, the integration of contrastive learning with GNNs has demonstrated…

Machine Learning · Computer Science 2024-08-12 Junfeng Long , Hao Wu

Session-based recommendation (SR) aims to dynamically recommend items to a user based on a sequence of the most recent user-item interactions. Most existing studies on SR adopt advanced deep learning methods. However, the majority only…

Information Retrieval · Computer Science 2024-01-17 Huizi Wu , Cong Geng , Hui Fang

In business analysis, providing effective recommendations is essential for enhancing company profits. The utilization of graph-based structures, such as bipartite graphs, has gained popularity for their ability to analyze complex data…

Information Retrieval · Computer Science 2025-01-14 Jiayang Wu , Wensheng Gan , Huashen Lu , Philip S. Yu

Sequential recommendation addresses the issue of preference drift by predicting the next item based on the user's previous behaviors. Recently, a promising approach using contrastive learning has emerged, demonstrating its effectiveness in…

Information Retrieval · Computer Science 2023-08-08 Dongjun Lee , Donggeun Ko , Jaekwang Kim

Graph contrastive learning (GCL), as an emerging self-supervised learning technique on graphs, aims to learn representations via instance discrimination. Its performance heavily relies on graph augmentation to reflect invariant patterns…

Machine Learning · Computer Science 2023-06-22 Lu Lin , Jinghui Chen , Hongning Wang

Graph contrastive learning (GCL) is a popular method for leaning graph representations by maximizing the consistency of features across augmented views. Traditional GCL methods utilize single-perspective i.e. data or model-perspective)…

Machine Learning · Computer Science 2024-06-04 Zelin Yao , Chuang Liu , Xueqi Ma , Mukun Chen , Jia Wu , Xiantao Cai , Bo Du , Wenbin Hu

In the domain of recommendation and collaborative filtering, Graph Contrastive Learning (GCL) has become an influential approach. Nevertheless, the reasons for the effectiveness of contrastive learning are still not well understood. In this…

Information Retrieval · Computer Science 2024-10-01 Chengkai Liu , Jianling Wang , James Caverlee

Context information in search sessions has proven to be useful for capturing user search intent. Existing studies explored user behavior sequences in sessions in different ways to enhance query suggestion or document ranking. However, a…

Information Retrieval · Computer Science 2021-08-25 Yutao Zhu , Jian-Yun Nie , Zhicheng Dou , Zhengyi Ma , Xinyu Zhang , Pan Du , Xiaochen Zuo , Hao Jiang

Contrastive learning (CL) has been widely used for enhancing the performance of graph collaborative filtering (GCF) for personalized recommendation. Since data augmentation plays a crucial role in the success of CL, previous works have…

Information Retrieval · Computer Science 2025-11-05 Doyun Choi , Cheonwoo Lee , Jaemin Yoo

Graph neural network(GNN) has been a powerful approach in collaborative filtering(CF) due to its ability to model high-order user-item relationships. Recently, to alleviate the data sparsity and enhance representation learning, many efforts…

Information Retrieval · Computer Science 2024-12-10 Bowen Zheng , Junjie Zhang , Hongyu Lu , Yu Chen , Ming Chen , Wayne Xin Zhao , Ji-Rong Wen

Graph Neural Networks (GNNs) are powerful tools for recommendation systems, but they often struggle under data sparsity and noise. To address these issues, we implemented LightGCL, a graph contrastive learning model that uses Singular Value…

Information Retrieval · Computer Science 2025-06-03 Aravinda Jatavallabha , Prabhanjan Bharadwaj , Ashish Chander

Graph contrastive learning has emerged as a powerful technique for learning graph representations that are robust and discriminative. However, traditional approaches often neglect the critical role of subgraph structures, particularly the…

Machine Learning · Computer Science 2025-03-14 Tianhao Peng , Xuhong Li , Haitao Yuan , Yuchen Li , Haoyi Xiong

In recent years, deep learning on graphs has achieved remarkable success in various domains. However, the reliance on annotated graph data remains a significant bottleneck due to its prohibitive cost and time-intensive nature. To address…

Session-based recommendation techniques aim to capture dynamic user behavior by analyzing past interactions. However, existing methods heavily rely on historical item ID sequences to extract user preferences, leading to challenges such as…

Information Retrieval · Computer Science 2023-07-21 Zhipeng Zhang , Piao Tong , Yingwei Ma , Qiao Liu , Xujiang Liu , Xu Luo

Graph contrastive learning (GCL) has recently emerged as a new concept which allows for capitalizing on the strengths of graph neural networks (GNNs) to learn rich representations in a wide variety of applications which involve abundant…

Machine Learning · Computer Science 2024-06-26 Yuzhou Chen , Jose Frias , Yulia R. Gel

Graph neural networks (GNNs) have recently emerged as an effective approach to model neighborhood signals in collaborative filtering. Towards this research line, graph contrastive learning (GCL) demonstrates robust capabilities to address…

Information Retrieval · Computer Science 2024-07-22 Xinzhou Jin , Jintang Li , Liang Chen , Chenyun Yu , Yuanzhen Xie , Tao Xie , Chengxiang Zhuo , Zang Li , Zibin Zheng

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…

Machine Learning · Computer Science 2024-08-20 Xunlian Wu , Jingqi Hu , Anqi Zhang , Yining Quan , Qiguang Miao , Peng Gang Sun

Temporal Graph Learning, which aims to model the time-evolving nature of graphs, has gained increasing attention and achieved remarkable performance recently. However, in reality, graph structures are often incomplete and noisy, which…

Machine Learning · Computer Science 2023-08-16 Haozhen Zhang , Xueting Han , Xi Xiao , Jing Bai

User interests typically encompass both long-term preferences and short-term intentions, reflecting the dynamic nature of user behaviors across different timeframes. The uneven temporal distribution of user interactions highlights the…

Information Retrieval · Computer Science 2026-04-07 Wei Zhou , Yue Shen , Junkai Ji , Yinglan Feng , Xing Tang , Xiuqiang He , Liang Feng , Zexuan Zhu