de la Oliva, A., Morelli, A., Mancuso, V., Draexler, M., Hentschel, T., Melia, T.,https://doi.org/10.1007/978-3-642-37935-2_3__Cicconetti, C. (2013). Denser Networks for the Future Internet, the CROWD Approach. In Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering (pp. 28–41). Berlin, Heidelberg: Springer Berlin Heidelberg.https://doi.org/10.1007/978-3-642-37935-2_3 

Kanter, T., Kardeby, V., Forsström, S., &; Walters, J. (2011). Scenarios, Research Issues, and Architecture for Ubiquitous Sensing. In Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering (pp. 285–297). Berlin, Heidelberg: Springer Berlin Heidelberg.https://doi.org/10.1007/978-3-642-21444-8_25