Before revision:  In this paper , we theoretically investigate three well-known adversarial attack methods, i.e., Nettack, Meta Attack, and GradArgmax , and find that different attack methods have their specific attack preferences on changing network structure .
After revision:  In this paper , we theoretically investigate three well-known adversarial attack methods, i.e., Nettack, Meta Attack, and GradArgmax . It is found that different attack methods have their specific attack preferences on changing network structure .