Electronic participation 9th IFIP WG 8.5 International Conference, ePart 2017, St. Petersburg, Russia, September 4-7, 2017 : proceedings - Parycek, Peter; Charalabidis, Yannis 1967-; Čugunov, Andrej V. 1956-; Panagiotopoulos, Panos; Pardo, Theresa A.; Sæbø, Øystein; Tambouris, Efthimios (Lecture Notes in Computer Science, 2017)