An open source architecture for civic engagement activities was
developed, which allows the user to manage data collection campaigns
using sensor-enabled mobile phones. Designing ad hoc
forms for entering data (including images, audios and videos)
and arranging specific Web viewers to visualize the results, the
architecture could serve as a useful tool for a number of organizations
(including public-sector bodies) wishing to involve citizens in
multi-purpose spatial data collection projects. Three case studies
were presented where users were engaged in urban monitoring
(report of potholes and architectural barriers) and tourism valorisation
(mapping of tourism points of interest).