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Related papers: MMHCL: Multi-Modal Hypergraph Contrastive Learning…

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Graph Contrastive Learning (GCL), which fuses graph neural networks with contrastive learning, has evolved as a pivotal tool in user-item recommendations. While promising, existing GCL methods often lack explicit modeling of hierarchical…

Information Retrieval · Computer Science 2025-05-27 Jiawei Xue , Zhen Yang , Haitao Lin , Ziji Zhang , Luzhu Wang , Yikun Gu , Yao Xu , Xin Li

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

Personalized recommender systems play a crucial role in capturing users' evolving preferences over time to provide accurate and effective recommendations on various online platforms. However, many recommendation models rely on a single type…

Information Retrieval · Computer Science 2023-10-23 Wei Wei , Lianghao Xia , Chao Huang

Multimodal recommendation systems integrate diverse multimodal information into the feature representations of both items and users, thereby enabling a more comprehensive modeling of user preferences. However, existing methods are hindered…

Multimedia · Computer Science 2025-01-03 Qiya Song , Jiajun Hu , Lin Xiao , Bin Sun , Xieping Gao , Shutao Li

Recommender systems (RecSys) play a vital role in online platforms, offering users personalized suggestions amidst vast information. Graph contrastive learning aims to learn from high-order collaborative filtering signals with unsupervised…

Information Retrieval · Computer Science 2024-04-29 Weizhi Zhang , Liangwei Yang , Zihe Song , Henry Peng Zou , Ke Xu , Yuanjie Zhu , Philip S. Yu

Recent methods utilize graph contrastive Learning within graph-structured user-item interaction data for collaborative filtering and have demonstrated their efficacy in recommendation tasks. However, they ignore that the difference relation…

Information Retrieval · Computer Science 2024-03-25 Jiaheng Yu , Jing Li , Yue He , Kai Zhu , Shuyi Zhang , Wen Hu

Rating is a typical user explicit feedback that visually reflects how much a user likes a related item. The (rating) matrix completion is essentially a rating prediction process, which is also a significant problem in recommender systems.…

Machine Learning · Computer Science 2025-07-09 Xiang Li , Changsheng Shui , Zhongying Zhao , Junyu Dong , Yanwei Yu

Graph Neural Networks (GNNs) have become powerful tools in modeling graph-structured data in recommender systems. However, real-life recommendation scenarios usually involve heterogeneous relationships (e.g., social-aware user influence,…

Information Retrieval · Computer Science 2023-03-03 Mengru Chen , Chao Huang , Lianghao Xia , Wei Wei , Yong Xu , Ronghua Luo

A well-designed recommender system can accurately capture the attributes of users and items, reflecting the unique preferences of individuals. Traditional recommendation techniques usually focus on modeling the singular type of behaviors…

Information Retrieval · Computer Science 2023-03-06 Hongrui Xuan , Yi Liu , Bohan Li , Hongzhi Yin

With the widespread use of mobile devices and the rapid growth of micro-video platforms such as TikTok and Kwai, the demand for personalized micro-video recommendation systems has significantly increased. Micro-videos typically contain…

Multimedia · Computer Science 2025-02-24 Sisuo Lyu , Xiuze Zhou , Xuming Hu

Sequential recommendation (SR) aims to predict the subsequent behaviors of users by understanding their successive historical behaviors. Recently, some methods for SR are devoted to alleviating the data sparsity problem (i.e., limited…

Information Retrieval · Computer Science 2022-08-30 Ziyang Wang , Huoyu Liu , Wei Wei , Yue Hu , Xian-Ling Mao , Shaojian He , Rui Fang , Dangyang chen

The burgeoning presence of Large Language Models (LLM) is propelling the development of personalized recommender systems. Most existing LLM-based methods fail to sufficiently explore the multi-view graph structure correlations inherent in…

Information Retrieval · Computer Science 2025-07-30 Xu Guo , Tong Zhang , Yuanzhi Wang , Chenxu Wang , Fuyun Wang , Xudong Wang , Xiaoya Zhang , Xin Liu , Zhen Cui

Contrastive Learning (CL)-based recommender systems have gained prominence in the context of Heterogeneous Graph (HG) due to their capacity to enhance the consistency of representations across different views. However, existing frameworks…

Information Retrieval · Computer Science 2024-07-30 Lei Sang , Yu Wang , Yi Zhang , Yiwen Zhang , Xindong Wu

Multimodal representation learning is commonly built on a shared-private decomposition, treating latent information as either common to all modalities or specific to one. This binary view is often inadequate: many factors are shared by only…

Machine Learning · Statistics 2026-04-08 Huichao Li , Junhan Yu , Doudou Zhou

Multi-modal recommender system focuses on utilizing rich modal information ( i.e., images and textual descriptions) of items to improve recommendation performance. The current methods have achieved remarkable success with the powerful…

Information Retrieval · Computer Science 2025-08-20 Shouxing Ma , Yawen Zeng , Shiqing Wu , Guandong Xu

Multimodal Contrastive Learning (MCL) advances in aligning different modalities and generating multimodal representations in a joint space. By leveraging contrastive learning across diverse modalities, large-scale multimodal data enhances…

Machine Learning · Computer Science 2025-09-23 Xiaohao Liu , Xiaobo Xia , See-Kiong Ng , Tat-Seng Chua

Multi-behavioral recommendation optimizes user experiences by providing users with more accurate choices based on their diverse behaviors, such as view, add to cart, and purchase. Current studies on multi-behavioral recommendation mainly…

Information Retrieval · Computer Science 2024-04-19 Shunpan Liang , Junjie Zhao , Chen Li , Yu Lei

By treating users' interactions as a user-item graph, graph learning models have been widely deployed in Collaborative Filtering(CF) based recommendation. Recently, researchers have introduced Graph Contrastive Learning(GCL) techniques into…

Information Retrieval · Computer Science 2023-07-12 Yonghui Yang , Zhengwei Wu , Le Wu , Kun Zhang , Richang Hong , Zhiqiang Zhang , Jun Zhou , Meng Wang

The online emergence of multi-modal sharing platforms (eg, TikTok, Youtube) is powering personalized recommender systems to incorporate various modalities (eg, visual, textual and acoustic) into the latent user representations. While…

Information Retrieval · Computer Science 2023-07-19 Wei Wei , Chao Huang , Lianghao Xia , Chuxu Zhang

Contrastive learning (CL) has recently been demonstrated critical in improving recommendation performance. The underlying principle of CL-based recommendation models is to ensure the consistency between representations derived from…

Information Retrieval · Computer Science 2023-06-21 Junliang Yu , Xin Xia , Tong Chen , Lizhen Cui , Nguyen Quoc Viet Hung , Hongzhi Yin
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