We can see that for this simple example, the result is consistent with the previous method. Let's find out if it works equally well for the more complicated case. What is the GCF of 33,264and 35,640? Prime factors of 33,264 are: 2, 2, 2, 2, 3, 3, 3, 7, 11. Prime factors...
MixGCF: An Improved Training Method for Graph Neural Network-based Recommender Systemskeg.cs.tsinghua.edu.cn/ 1. 背景 GNN在协同过滤相关方法中达到了最优的效果,从隐式反馈中负采样是协同过滤中需要面临的一大难题。当前在基于图的协同过滤方法中,负采样方法探索的还比较少。本文提出了即插即用的MixGCF负采样...
Both the main task and the auxiliary task face the noise problem and the distilling hard negative problem. However, existing GNN-CF models only focus on one of them and ignore the other. Aiming to solve the two problems in a unified framework, we propose a Multi-Mixing strategy for GNN-...
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MixGCF: An Improved Training Method for Graph Neural Network-based Recommender Systems 来源:KDD 2021 摘要:协同过滤的一个基本挑战是从隐式反馈中提取负信号,但基于GNN的协同过滤的负采样在很大程度上尚未被探索。在本文中,作者通过同时利用用户-项目图结构与GNN的聚合过程来研究负采样。作者提出了一种具有泛用性...
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A threshold mAPI associated with ACR was developed in 35 cross-sectional training set samples from children with ITx (n=11) and LTx (n=24) using logistic regression and applied to 32 samples from 26 independent LTx and 6 independent ITx recipients. Test results were also correlated...