In recent years, railway operators have been promoting the construction of unmanned stations, and the ratio of unmanned stations is increasing year by year.However, unmanned stations have a disadvantage for passengers who need assistance when boarding and disembarking, in that they cannot receive on-demand assistance.It has been reported that the r
Smart meters and energy displays are being rolled out in many countries to help individuals monitor and reduce their energy usage.However, to date there is little in depth understanding of how they may change behavior.While there is currently a great deal of technical research into developing smart metering, little research has been conducted on ho
Abstract The prevalence and mobility of smartphones make these a widely used tool for environmental health research.However, their potential for determining aggregated air quality index (AQI) based on PM2.5 concentration in specific locations remains largely unexplored in the existing literature.In this paper, we thoroughly examine the challenges a