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Hierarchical Graph Neural Networks for Personalized Recommendations with User-Session Context

  • Xiang ShenEmail author
  • Caiming Yang
  • Zhengwei Jiang
  • Dong Xie
  • Yingtao Sun
  • Shuibiao Chen
  • Bo Li
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 11910)

Abstract

With the swift development of Internet and artificial intelligence, recommender systems have become more and more important as useful information has a risk of submerging in huge amounts of data or smart services always provide a behavior predictor to meet diversified user’s needs. User-session based recommendations are commonly applied in many modern online platforms. Graph Neural Networks (GNNs) have been shown to have a strong ability to address the problem of session-based recommendation with accurate item embedding. However, there are a lot of application scenarios that have already provided user profiles. We propose a model based on Hierarchical GNNs for personalized recommendations, which evolves both item information in sessions and user profiles. The experiments on two industry datasets show the superiority of our model over the state-of-the-art methods.

Keywords

Graph Neural Networks User-session based recommendation Dropout Personalized recommendation 

Notes

Acknowledgement

The authors gratefully acknowledge the anonymous reviewers for their helpful suggestions.

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Xiang Shen
    • 1
    Email author
  • Caiming Yang
    • 1
  • Zhengwei Jiang
    • 2
  • Dong Xie
    • 1
  • Yingtao Sun
    • 1
  • Shuibiao Chen
    • 1
  • Bo Li
    • 3
  1. 1.State Grid Shaoxing Electric Power Supply CompanyShaoxingChina
  2. 2.State-Grid Zhejiang Electric Power Co., Ltd.BeijingChina
  3. 3.Beihang UniversityBeijingChina

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