Wireless sensor networks Energy efficiency 7 Costs 6 wireless sensor networks 6 Internet of things 5 Low-costs 5 Wi-Fi 5 Base stations 4 Network architecture 4 Performance 4 Accident prevention 3 Accidents 3 Artificial intelligence 3 Cameras 3 Design and tests 3 Energy efficient 3 Energy utilization 3 Floodings 3 Floods 3 Heavy equipment 3 High-performance WSN 3 Industrial sites 3 Industrial wireless sensor network 3 Industrial wireless sensors 3 Internet of Things 3 Irradiance WSN 3 Irradiance network 3 K-means clustering 3 K-means++ clustering 3 Large-scales 3