F. M. Matos,  "Cities Auditing Model", in Internet of Things. IoT Infrastructures: 1st Int. Summit, IoT360 2014, Rome, Italy, October 27-28, 2014, Revised Selected Papers, Part II, Raffaele Giaffreda, Dagmar Caganova, Yong Li, Roberto Riggio & Agnès Voisard, Ed., Springer International Publishing, 2015, pp. 43-51