As a survey indicated,people spend around 87% of their time in indoor spaces,e.g.,office buildings,shopping malls,and metro stations.With the rapid development of the Internet of Things(IoT)and indoor positioning technologies such as RFID and Wi-Fi,how to effectively manage the rapidly increasing indoor moving objects has been a common and fundamental issue in a lot of application areas including public security and business services.Based on the special features of indoor space regarding space constraint,p...