IFIP Advances in Information and Communication Technology 5th Doctoral Conference on Computing, Electrical and Industrial Systems (DoCEIS) 5th Doctoral Conference on Computing, Electrical and Industrial Systems (DoCEIS), Apr 2014, Costa de Caparica, Portugal. pp.575-581, ⟨10.1007/978-3-642-54734-8_64⟩ Technological Innovation for Collective Awareness Systems ISBN: 9783642547331 DoCEIS