Pereira, JoanaViscusi, GianluigiTucci, Christopher L.2018-03-092018-03-092018-03-092017-08-0410.5465/AMBPP.2017.14424abstracthttps://infoscience.epfl.ch/handle/20.500.14299/145394Crowd organizations: towards a definitiontext::conference output::conference proceedings::conference paper