A number of tools have been developed to support application development in Grid Services architetures.But most of these efforts have focused on low-level support for management and execution of Grid services, management of Grid-enabled resources, and deployment and execution of applications that make use of Grid services..This paper describes an open-source toolkit,called Introduce, that supports easy development and deployment of Web Services Resource Framework (WSRF) compliant services. And it emphasizes how to realize grid resources scheduling through the toolkit Introduce,connected to the...