A system for managing data related to at least one leaf node device, the system including a location processing engine located on a server that is remote from the at least one leaf node device; at least one point of interest (POI) device for collecting data relating to at least one leaf node device and transmitting the collected data with a timestamp using Bluetooth Low Energy (BLE); at least one reader node device for receiving the collected data from the point of interest (POI) device using BLE and transmitting the collected data to the location processing engine; and a database of the known locations of POI devices, wherein the known locations are used as a basis for determining the location of the at least one leaf node device that communicated with the POI device.