DATA USAGE TRACKING SYSTEM, MANAGER DEVICE, AGENT DEVICE, DATA USAGE TRACKING METHOD, AND RECORDING MEDIUM

摘要

A data usage tracking system 100 includes a terminal device 1 for generating and transmitting data and a manager device 2 for receiving data transmitted by terminal devices, the manager device being provided with a processing history storing unit 25, a processing unit 22 for processing data received from the terminal device 1 and registering a processing history that includes the content of processing of data to the processing history storing unit 25 and a referencing unit 23 for receiving a processing history reference request from the terminal device 1 indicating part or all of the processing history registered to the processing history storing unit 25 and sending back to the terminal device 1 aggregated results associated with aggregation items matching the type of the terminal device 1 from among aggregation results obtained by aggregating, for a plurality of aggregated items, the processing history specified by the received processing history reference request.