Electronic participation 11th IFIP WG 8.5 International Conference, ePart 2019, San Benedetto Del Tronto, Italy, September 2–4, 2019, proceedings - Panagiotopoulos, Panos; Edelmann, Noella 1973-; Glassey, Olivier; Misuraca, Gianluca; Parycek, Peter; Lampoltshammer, Thomas; Re, Barbara (Lecture notes in computer science, 2019)