Electronic Participation 7th IFIP 8.5 International Conference, ePart 2015, Thessaloniki, Greece, August 30 -- September 2, 2015, Proceedings - Tambouris, Efthimios.; Tambouris, Efthimios.; Panagiotopoulos, Panos.; Panagiotopoulos, Panos.; Sæbø, Øystein.; Sæbø, Øystein.; Tarabanis, Konstantinos.; Tarabanis, Konstantinos.; Wimmer, Maria A.; Wimmer, Maria A.; Milano, Michela.; Milano, Michela.; et al. (Springer International Publishing : Imprint: Springer, 2015)