Electronic Participation 9th IFIP WG 8.5 International Conference, ePart 2017, St. Petersburg, Russia, September 4-7, 2017, Proceedings - Parycek, Peter; Charalabidis, Yannis; Chugunov, Andrei V.; Panagiotopoulos, Panos; Pardo, Theresa A.; Sæbø, Øystein; Tambouris, Efthimios (Springer International Publishing : Imprint: Springer, 2017)