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Bipartite graph embedding (BGE) maps nodes to compressed embedding vectors that can reflect the hidden topological features of the network, and learning high-quality BGE is crucial for facilitating downstream applications such as…

社会与信息网络 · 计算机科学 2024-10-15 Shanfan Zhang , Yongyi Lin , Yuan Rao , Zhan Bu

Graph Neural Networks (GNNs) have become increasingly important in recent years due to their state-of-the-art performance on many important downstream applications. Existing GNNs have mostly focused on learning a single node representation,…

机器学习 · 计算机科学 2022-12-29 Gautam Choudhary , Iftikhar Ahamath Burhanuddin , Eunyee Koh , Fan Du , Ryan A. Rossi

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…

信息检索 · 计算机科学 2024-03-25 Jiaheng Yu , Jing Li , Yue He , Kai Zhu , Shuyi Zhang , Wen Hu

How can we effectively and efficiently learn node representations in signed bipartite graphs? A signed bipartite graph is a graph consisting of two nodes sets where nodes of different types are positively or negative connected, and it has…

机器学习 · 计算机科学 2024-12-30 Gyeongmin Gu , Minseo Jeon , Hyun-Je Song , Jinhong Jung

Learning effective embedding has been proved to be useful in many real-world problems, such as recommender systems, search ranking and online advertisement. However, one of the challenges is data sparsity in learning large-scale item…

机器学习 · 计算机科学 2019-05-27 Yi Ouyang , Bin Guo , Xing Tang , Xiuqiang He , Jian Xiong , Zhiwen Yu

Graph, as an important data representation, is ubiquitous in many real world applications ranging from social network analysis to biology. How to correctly and effectively learn and extract information from graph is essential for a large…

机器学习 · 计算机科学 2020-10-27 Xiaodong Jiang , Ronghang Zhu , Pengsheng Ji , Sheng Li

Graph Neural Networks (GNN) have been extensively applied to industry recommendation systems, as seen in models like GraphSage\cite{GraphSage}, TwHIM\cite{TwHIM}, LiGNN\cite{LiGNN} etc. In these works, graphs were constructed based on…

Representation learning on user-item graph for recommendation has evolved from using single ID or interaction history to exploiting higher-order neighbors. This leads to the success of graph convolution networks (GCNs) for recommendation…

信息检索 · 计算机科学 2021-06-21 Jiancan Wu , Xiang Wang , Fuli Feng , Xiangnan He , Liang Chen , Jianxun Lian , Xing Xie

Deep recommender systems rely heavily on large embedding tables to handle high-cardinality categorical features such as user/item identifiers, and face significant memory constraints at scale. To tackle this challenge, hashing techniques…

Graph neural network (GNN) based methods have saturated the field of recommender systems. The gains of these systems have been significant, showing the advantages of interpreting data through a network structure. However, despite the…

机器学习 · 计算机科学 2022-09-12 Rebecca Salganik , Fernando Diaz , Golnoosh Farnadi

Protein-protein interactions (PPIs) are crucial in various biological processes and their study has significant implications for drug development and disease diagnosis. Existing deep learning methods suffer from significant performance…

分子网络 · 定量生物学 2023-05-16 Ziyuan Zhao , Peisheng Qian , Xulei Yang , Zeng Zeng , Cuntai Guan , Wai Leong Tam , Xiaoli Li

Multi-behavior recommendation exploits multiple types of user-item interactions to alleviate the data sparsity problem faced by the traditional models that often utilize only one type of interaction for recommendation. In real scenarios,…

信息检索 · 计算机科学 2023-07-13 Mingshi Yan , Zhiyong Cheng , Chen Gao , Jing Sun , Fan Liu , Fuming Sun , Haojie Li

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

Low-dimensional embeddings of nodes in large graphs have proved extremely useful in a variety of prediction tasks, from content recommendation to identifying protein functions. However, most existing approaches require that all nodes in the…

社会与信息网络 · 计算机科学 2018-09-11 William L. Hamilton , Rex Ying , Jure Leskovec

This paper designs and implements an explainable recommendation model that integrates knowledge graphs with structure-aware attention mechanisms. The model is built on graph neural networks and incorporates a multi-hop neighbor aggregation…

信息检索 · 计算机科学 2025-10-14 Shuangquan Lyu , Ming Wang , Huajun Zhang , Jiasen Zheng , Junjiang Lin , Xiaoxuan Sun

Recently, Graph Neural Networks (GNNs) have proven their effectiveness for recommender systems. Existing studies have applied GNNs to capture collaborative relations in the data. However, in real-world scenarios, the relations in a…

信息检索 · 计算机科学 2021-11-30 Xiaohan Li , Zhiwei Liu , Stephen Guo , Zheng Liu , Hao Peng , Philip S. Yu , Kannan Achan

Collaborative filtering-based recommender systems that rely on a single type of behavior often encounter serious sparsity issues in real-world applications, leading to unsatisfactory performance. Multi-behavior Recommendation (MBR) is a…

信息检索 · 计算机科学 2023-06-21 Mingshi Yan , Zhiyong Cheng , Jing Sun , Fuming Sun , Yuxin Peng

Methods that learn representations of nodes in a graph play a critical role in network analysis since they enable many downstream learning tasks. We propose Graph2Gauss - an approach that can efficiently learn versatile node embeddings on…

机器学习 · 统计学 2019-04-02 Aleksandar Bojchevski , Stephan Günnemann

In this paper, we focus on training and evaluating effective word embeddings with both text and visual information. More specifically, we introduce a large-scale dataset with 300 million sentences describing over 40 million images crawled…

机器学习 · 计算机科学 2016-11-28 Junhua Mao , Jiajing Xu , Yushi Jing , Alan Yuille

Graph Neural Networks (GNNs) learn low dimensional representations of nodes by aggregating information from their neighborhood in graphs. However, traditional GNNs suffer from two fundamental shortcomings due to their local ($l$-hop…

机器学习 · 计算机科学 2021-04-28 Kashob Kumar Roy , Amit Roy , A K M Mahbubur Rahman , M Ashraful Amin , Amin Ahsan Ali