Sensor Networks 6th International Conference, SENSORNETS 2017, Porto, Portugal, February 19-21, 2017, and 7th International Conference, SENSORNETS 2018, Funchal, Madeira, Portugal, January 22-24, 2018, Revised Selected Papers - Benavente-Peces, César; Benavente-Peces, César; Cam-Winget, Nancy; Cam-Winget, Nancy; Fleury, Eric; Fleury, Eric; Ahrens, Andreas; Ahrens, Andreas (Springer International Publishing : Imprint: Springer, 2019)