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Multi-behavior recommendation, which exploits auxiliary behaviors (e.g., click and cart) to help predict users' potential interactions on the target behavior (e.g., buy), is regarded as an effective way to alleviate the data sparsity or…

信息检索 · 计算机科学 2023-03-29 Zhiyong Cheng , Sai Han , Fan Liu , Lei Zhu , Zan Gao , Yuxin Peng

Graph neural networks (GNNs) have shown the power in representation learning over graph-structured user-item interaction data for collaborative filtering (CF) task. However, with their inherently recursive message propagation among…

信息检索 · 计算机科学 2023-03-22 Lianghao Xia , Chao Huang , Jiao Shi , Yong Xu

Graph neural network (GNN) link prediction is increasingly deployed in citation, collaboration, and online social networks to recommend academic literature, collaborators, and friends. While prior research has investigated the dyadic…

机器学习 · 计算机科学 2024-06-06 Arjun Subramonian , Levent Sagun , Yizhou Sun

In this paper we cast neural networks defined on graphs as message-passing neural networks (MPNNs) in order to study the distinguishing power of different classes of such models. We are interested in whether certain architectures are able…

机器学习 · 计算机科学 2020-04-07 Floris Geerts , Filip Mazowiecki , Guillermo A. Pérez

The inception of the Relational Graph Convolutional Network (R-GCN) marked a milestone in the Semantic Web domain as a widely cited method that generalises end-to-end hierarchical representation learning to Knowledge Graphs (KGs). R-GCNs…

机器学习 · 计算机科学 2022-05-09 Vic Degraeve , Gilles Vandewiele , Femke Ongenae , Sofie Van Hoecke

Graph neural networks (GNNs) have gained wide popularity in recommender systems due to their capability to capture higher-order structure information among the nodes of users and items. However, these methods need to collect personal…

信息检索 · 计算机科学 2023-08-03 Guowei Wu , Weike Pan , Zhong Ming

Nowadays, news apps have taken over the popularity of paper-based media, providing a great opportunity for personalization. Recurrent Neural Network (RNN)-based sequential recommendation is a popular approach that utilizes users' recent…

信息检索 · 计算机科学 2020-04-13 Bing Bai , Guanhua Zhang , Ye Lin , Hao Li , Kun Bai , Bo Luo

The past few years has witnessed the dominance of Graph Convolutional Networks (GCNs) over human motion prediction.Various styles of graph convolutions have been proposed, with each one meticulously designed and incorporated into a…

计算机视觉与模式识别 · 计算机科学 2023-12-20 Xinshun Wang , Qiongjie Cui , Chen Chen , Mengyuan Liu

Recommender systems play a crucial role in addressing the issue of information overload by delivering personalized recommendations to users. In recent years, there has been a growing interest in leveraging graph neural networks (GNNs) for…

信息检索 · 计算机科学 2023-06-09 Ziyang Liu , Chaokun Wang , Jingcao Xu , Cheng Wu , Kai Zheng , Yang Song , Na Mou , Kun Gai

Recently, graph Convolutional Neural Networks (graph CNNs) have been widely used for graph data representation and semi-supervised learning tasks. However, existing graph CNNs generally use a fixed graph which may be not optimal for…

计算机视觉与模式识别 · 计算机科学 2018-11-27 Bo Jiang , Ziyan Zhang , Doudou Lin , Jin Tang

Incorporating Knowledge Graphs (KG) into recommeder system has attracted considerable attention. Recently, the technical trend of Knowledge-aware Recommendation (KGR) is to develop end-to-end models based on graph neural networks (GNNs).…

信息检索 · 计算机科学 2022-08-23 Ding Zou , Wei Wei , Ziyang Wang , Xian-Ling Mao , Feida Zhu , Rui Fang , Dangyang Chen

Graph Neural Networks (GNNs) have led to state-of-the-art performance on a variety of machine learning tasks such as recommendation, node classification and link prediction. Graph neural network models generate node embeddings by merging…

机器学习 · 计算机科学 2020-11-04 Yunpeng Weng , Xu Chen , Liang Chen , Wei Liu

We propose a novel technique to enhance Knowledge Graph Reasoning by combining Graph Convolution Neural Network (GCN) with the Attention Mechanism. This approach utilizes the Attention Mechanism to examine the relationships between entities…

信息检索 · 计算机科学 2025-03-24 Meera Gupta , Ravi Khanna , Divya Choudhary , Nandini Rao

Graph Neural Networks (GNNs) have been widely used for the representation learning of various structured graph data. While promising, most existing GNNs oversimplified the complexity and diversity of the edges in the graph, and thus…

机器学习 · 计算机科学 2021-10-07 Hao Peng , Ruitong Zhang , Yingtong Dou , Renyu Yang , Jingyi Zhang , Philip S. Yu

Recently, sign-aware graph recommendation has drawn much attention as it will learn users' negative preferences besides positive ones from both positive and negative interactions (i.e., links in a graph) with items. To accommodate the…

信息检索 · 计算机科学 2024-03-14 Yuting Liu , Yizhou Dang , Yuliang Liang , Qiang Liu , Guibing Guo , Jianzhe Zhao , Xingwei Wang

Graph neural networks (GNNs) have gained traction over the past few years for their superior performance in numerous machine learning tasks. Graph Convolutional Neural Networks (GCN) are a common variant of GNNs that are known to have high…

机器学习 · 计算机科学 2022-07-06 Sannat Singh Bhasin , Vaibhav Holani , Divij Sanjanwala

Graph neural networks (GNNs) have recently emerged as an effective collaborative filtering (CF) approaches for recommender systems. The key idea of GNN-based recommender systems is to recursively perform message passing along user-item…

信息检索 · 计算机科学 2023-07-14 Yangqin Jiang , Chao Huang , Lianghao Xia

Real-world recommender system needs to be regularly retrained to keep with the new data. In this work, we consider how to efficiently retrain graph convolution network (GCN) based recommender models, which are state-of-the-art techniques…

机器学习 · 计算机科学 2022-03-02 Sihao Ding , Fuli Feng , Xiangnan He , Yong Liao , Jun Shi , Yongdong Zhang

Recently, Graph Convolutional Networks (GCNs) have proven to be a powerful machine learning tool for Computer-Aided Diagnosis (CADx) and disease prediction. A key component in these models is to build a population graph, where the graph…

机器学习 · 计算机科学 2022-05-16 Luca Cosmo , Anees Kazi , Seyed-Ahmad Ahmadi , Nassir Navab , Michael Bronstein

In recent years, graph neural networks (GNNs) have been commonly utilized for social recommendation systems. However, real-world scenarios often present challenges related to user privacy and business constraints, inhibiting direct access…

社会与信息网络 · 计算机科学 2025-02-05 Zheng Wang , Wanwan Wang , Yimin Huang , Zhaopeng Peng , Ziqi Yang , Ming Yao , Cheng Wang , Xiaoliang Fan