Research and Practical Issues of Enterprise Information Systems 12th IFIP WG 8.9 Working Conference, CONFENIS 2018, Held at the 24th IFIP World Computer Congress, WCC 2018, Poznan, Poland, September 18-19, 2018, Proceedings - Tjoa, A Min; Tjoa, A Min; Raffai, Maria; Raffai, Maria; Doucek, Petr; Doucek, Petr; Novak, Niina Maarit; Novak, Niina Maarit (Springer International Publishing : Imprint: Springer, 2018)