Information Systems: Research, Development, Applications, Education 11th SIGSAND/PLAIS EuroSymposium 2018, Gdansk, Poland, September 20, 2018, Proceedings - Wrycza, Stanisław; Wrycza, Stanisław; Maślankowski, Jacek; Maślankowski, Jacek (Springer International Publishing : Imprint: Springer, 2018)