Challenges and Opportunities in Deep Reinforcement Learning With Graph Neural Networks: A Comprehensive Review of Algorithms and Applications.Deep reinforcement learning (DRL) has empowered a variety of artificial intelligence fields, including pattern recognition, robotics, recommendation systems, and gaming. 
Deep reinforcement learning
Challenges and Opportunities in Deep Reinforcement Learning With Graph Neural Networks: A Comprehensive Review of Algorithms and Applications.Deep reinforcement learning (DRL) has empowered a variety of artificial intelligence fields, including pattern recognition, robotics, recommendation systems, and gaming.  Similarly, graph neural networks (GNNs) have also demonstrated their superior performance in supervised learning for graph-structured data. 
Graph neural networks
Challenges and Opportunities in Deep Reinforcement Learning With Graph Neural Networks: A Comprehensive Review of Algorithms and Applications.Deep reinforcement learning (DRL) has empowered a variety of artificial intelligence fields, including pattern recognition, robotics, recommendation systems, and gaming.  In recent times, the fusion of GNN with DRL for graph-structured environments has attracted a lot of attention.  1) algorithmic contributions, where DRL and GNN complement each other with an objective of addressing each other's shortcomings and  2) application-specific contributions that leverage a combined GNN-DRL formulation to address problems specific to different applications.  Finally, the key challenges in integrating DRL and GNN, and potential future research directions are highlighted, which will be of interest to the broader machine learning community.
DRL
Similarly, graph neural networks (GNNs) have also demonstrated their superior performance in supervised learning for graph-structured data.  In recent times, the fusion of GNN with DRL for graph-structured environments has attracted a lot of attention.  1) algorithmic contributions, where DRL and GNN complement each other with an objective of addressing each other's shortcomings and  2) application-specific contributions that leverage a combined GNN-DRL formulation to address problems specific to different applications.  Finally, the key challenges in integrating DRL and GNN, and potential future research directions are highlighted, which will be of interest to the broader machine learning community.
GNN