SERVICE INFORMATION COLLECTING DEVICE, CLIENT DEVICE, SERVICE PROVIDING DEVICE, SERVICE PROVIDING SYSTEM, SERVICE RELAY METHOD, SERVICE RELAY PROGRAM, SERVICE EXECUTION CONTROL METHOD, SERVICE EXECUTION CONTROL PROGRAM, SERVICE PROVIDING METHOD AND SERVICE PROVIDING PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide an information processing system allowing a client device to acquire information on latest service.;SOLUTION: The client device transmits a service information acquisition request to a service information collecting device (PO1). The service information collecting device that has received the service information acquisition request from the client device requests service information to each service providing device that can be in communication (PO2, PO3, PO4). In response to the request, each service providing device returns service information to the service information collecting device (PO5, PO6, PO7). The service information collecting device that has collected service information from each service providing device makes a list of collected service information and transmits it to the client device (PO8).;COPYRIGHT: (C)2009,JPO&INPIT