“…The emergence of EC and CloudIoT brings many new applications, such as tasks offloading strategies [7][8][9], dynamic resource management [10], internet of vehicles [11,12], geographical Point-of-Interest (POI) recommendation [13], privacy security and recommender systems [14], cloud-based big data technique [15], smart city [16,17], fault-tolerant placement for cloud systems [18], data forecasting [19], convergence technology of computing, communication and caching [20], edge-cloud collaboration method [21], the efficient data collection with UAVs [22,23] and et al. Among them, the application of UAV can significantly improve the capabilities of IoT devices by processing the data of these devices.…”