1. An information processing method comprising: using a browser to interpret a URI (Uniform Resource Identifier) which identifies an information processing of a service object from said plurality of service objects, and request, via a local gateway, the information processing of the service object identified by the URI; providing the requested information processing of the service object identified by the URI; using the local gateway, in response to the request from the browser, to return information written in a mark-up description language to the browser as a result of the information processing of the service object identified by the URI; and using the browser to interpret and display the information written in the mark-up description language returned from the local gateway.