论文标题
Hysage:一种混合静态和自适应图嵌入网络,用于上下文的建议
HySAGE: A Hybrid Static and Adaptive Graph Embedding Network for Context-Drifting Recommendations
论文作者
论文摘要
边缘设备和事物人工智能的最新流行(AIOT)驱动了新的上下文建议,例如基于位置的兴趣点(POI)建议和计算资源吸引资源感知的移动应用程序建议。在许多这样的建议方案中,随着时间的流逝,上下文正在漂移。例如,在手机游戏推荐中,位置,电池和移动设备的存储级别等上下文功能经常随着时间的流逝而漂移。但是,大多数现有的基于图的协作过滤方法都是在静态特征的假设下设计的。因此,他们将需要频繁的重新训练和/或产生大小迅速的图形模型,从而阻碍其对上下文驱动建议的适用性。 在这项工作中,我们提出了一种特定量身定制的混合静态图和自适应图嵌入(Hysage)网络,以进行上下文驱动的建议。我们的关键想法是解开相对静态的用户项目交互,并迅速漂移上下文功能。具体而言,我们提出的山山网络从用户项目交互中学习了一个相对静态的图形,以及从漂移上下文特征中的自适应嵌入。这些嵌入被整合到兴趣网络中,以在某些某些情况下产生用户兴趣。我们采用交互式注意模块来学习静态图嵌入,自适应上下文嵌入和用户兴趣之间的相互作用,从而有助于实现更好的最终表示。对现实世界数据集的广泛实验表明,山脉可显着提高现有最新建议算法的性能。
The recent popularity of edge devices and Artificial Intelligent of Things (AIoT) has driven a new wave of contextual recommendations, such as location based Point of Interest (PoI) recommendations and computing resource-aware mobile app recommendations. In many such recommendation scenarios, contexts are drifting over time. For example, in a mobile game recommendation, contextual features like locations, battery, and storage levels of mobile devices are frequently drifting over time. However, most existing graph-based collaborative filtering methods are designed under the assumption of static features. Therefore, they would require frequent retraining and/or yield graphical models burgeoning in sizes, impeding their suitability for context-drifting recommendations. In this work, we propose a specifically tailor-made Hybrid Static and Adaptive Graph Embedding (HySAGE) network for context-drifting recommendations. Our key idea is to disentangle the relatively static user-item interaction and rapidly drifting contextual features. Specifically, our proposed HySAGE network learns a relatively static graph embedding from user-item interaction and an adaptive embedding from drifting contextual features. These embeddings are incorporated into an interest network to generate the user interest in some certain context. We adopt an interactive attention module to learn the interactions among static graph embeddings, adaptive contextual embeddings, and user interest, helping to achieve a better final representation. Extensive experiments on real-world datasets demonstrate that HySAGE significantly improves the performance of the existing state-of-the-art recommendation algorithms.