Algorithms for Sensor Systems 14th International Symposium on Algorithms and Experiments for Wireless Sensor Networks, ALGOSENSORS 2018, Helsinki, Finland, August 23-24, 2018, Revised Selected Papers - Gilbert, Seth; Gilbert, Seth; Hughes, Danny; Hughes, Danny; Krishnamachari, Bhaskar; Krishnamachari, Bhaskar (Springer International Publishing : Imprint: Springer, 2019)