| 摘要 |
A service provider has prepared in advance a process definition which includes only a minimum amount of service required. Then, under this condition alone, a user is requested to add a necessary service to the process definition. This permits the user to utilize a customized process. A service providing server prepares the process definition and an addable service addable thereto, thereby allowing presentation of the definition and the service to the user. In accordance with an instruction by the user, a user client makes assistances such as making a judgment on addition possibility or impossibility of the service to the process definition. The service providing server makes a judgment on execution possibility or impossibility of the service requested by the user, then dynamically adding the service to the process definition and executing the service.
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