Fiorella de Cindio Cristian Peraboni Fostering e-Participation at the Urban Level: Outcomes from a Large Field Experiment. 112-124 2009 ePart http://dx.doi.org/10.1007/978-3-642-03781-8_11 conf/epart/2009 db/conf/epart/epart2009.html#CindioP09