ECSCW 2015: Proceedings of the 14th European Conference on Computer Supported Cooperative Work, 19-23 September 2015, Oslo, Norway - Boulus-Rødje, Nina; Ellingsen, Gunnar; Bratteteig, Tone; Aanestad, Margunn; Bjørn, Pernille (Springer International Publishing : Imprint: Springer, 2015)