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

Understand

Recommender system is one of the most important information services on today's Internet.

• Recently, graph neural networks have become the new state-of-the-art 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.