ATTRIBUTE INFORMATION INTERMEDIARY SYSTEM, INTERMEDIARY DEVICE, ATTRIBUTE INFORMATION INTERMEDIARY METHOD AND ATTRIBUTE INFORMATION INTERMEDIARY PROGRAM

摘要

A providing device (11) comprises an attribute information storage unit (111) and an attribute response transmission unit (112) for transmitting attribute information to an intermediary device (13); an acquisition device (12) comprises an attribute request transmission unit (121) for requesting the attribute information from the intermediary device (13) and an attribute response receiving unit (122) for receiving the attribute information from the intermediary device (13); wherein the intermediary device (13) comprises a user correspondence information storage unit (131) in which a correspondence relationship between a providing device-use user ID and an acquisition device-use user ID has been stored; a providing device information storage unit (132) in which information related to the attribute information possessed by the providing device (11) has been stored; a requested providing device selection unit (133) for selecting a providing device (11) of the requesting acquisition device (12); an attribute request transfer unit (134) for transferring the request for the attribute information to the providing device (11) using the providing device-use user ID; and an attribute response transfer unit (135) for transferring the attribute information received from the providing device (11) to the acquisition device (12) using the acquisition device-use user ID.