Conceptual Modeling 37th International Conference, ER 2018, Xi'an, China, October 22-25, 2018, Proceedings - Trujillo, Juan C.; Trujillo, Juan C.; Davis, Karen C.; Davis, Karen C.; Du, Xiaoyong; Du, Xiaoyong; Li, Zhanhuai; Li, Zhanhuai; Ling, Tok Wang; Ling, Tok Wang; Li, Guoliang; Li, Guoliang; et al. (Springer International Publishing : Imprint: Springer, 2018)