Open and Big Data Management and Innovation 14th IFIP WG 6.11 Conference on e-Business, e-Services, and e-Society, I3E 2015, Delft, The Netherlands, October 13-15, 2015, Proceedings - Janssen, Marijn; Mäntymäki, Matti; Hidders, Jan; Klievink, Bram; Lamersdorf, Winfried; van Loenen, Bastiaan; Zuiderwijk, Anneke (Springer International Publishing : Imprint: Springer, 2015)