Adversarial Attacks on Graph Neural Networks via Node Injections: A Hierarchical Reinforcement Learning Approach.
Yiwei SunSuhang WangXianfeng TangTsung-Yu HsiehVasant G. HonavarPublished in: WWW (2020)
Keyphrases
- hierarchical reinforcement learning
- neural network
- graph structure
- directed graph
- undirected graph
- random walk
- state abstraction
- graph model
- reinforcement learning
- genetic algorithm
- model free
- weighted graph
- artificial neural networks
- multi agent
- link analysis
- edge weights
- graph mining
- spanning tree
- monte carlo
- graphical models
- markov decision process