From Design to Practice: ETSI ENI Reference Architecture and Instantiation for Network Management and Orchestration Using Artificial Intelligence. - Yue Wang 008; Ray Forbes; Uri Elzur; John Strassner; Antonio Gamelas; Haining Wang; Shucheng Liu; Luca Pesando; Xiangfeng Yuan; Shengming Cai (IEEE Commun. Stand. Mag., 2020)