Sensor Networks : 9th International Conference, SENSORNETS 2020, Valletta, Malta, February 28-29, 2020, and 10th International Conference, SENSORNETS 2021, Virtual Event, February 9-10, 2021, Revised Selected Papers - Ahrens, Andreas; Ansari, Nirwan; Benavente-Peces, César; Prasad, RangaRao Venkatesha (Cham Springer International Publishing AG, 2022)