A Survey of Graph Neural Networks for Recommender Systems: Challenges, Methods, and Directions

🤖 Plain-English Summary

Recommender system is one of the most important information services on today’s Internet. Finally, we raise discussions on the open problems and promising future directions in this area.

🔑 Key Findings

• Recently, graph neural networks have become the new advanced approach to recommender systems.
• In this survey, we conduct a comprehensive review of the literature on graph neural network-based recommender systems.
• We first introduce the background and the history of the development of both recommender systems and graph neural networks.

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