Takehiro Sato Takashi Kurimoto Shigeo Urushidani Eiji Oki Virtualized Network Graph Design and Embedding Model. 1-3 2020 CloudNet https://doi.org/10.1109/CloudNet51028.2020.9335799 conf/cloudnet/2020 db/conf/cloudnet/cloudnet2020.html#SatoKUO20