Web application development based on form transformation definition

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The number of end-users using the Internet has been increasing. End-user initiative development of applications has become important for automation of end-users' own tasks. In particular, Web applications should be supported by domain experts themselves since Web applications must be modified frequently based on domain experts' ideas. Therefore, end-user initiative application development by Web service integration was studied. The abstract forms are considered as interfaces of services based on the simple concept that one service=one form. Therefore, Web service integration can be defined as form transformation from input forms into output forms. One approach for merging XML documents based Web services is that application-specific processes are defined in XSLT stylesheets with visual tools by end-users, and application-independent processes are generated automatically. In particular, the multistage XML merger is introduced for treating complicated business logic. The other approach is based on mapping from input forms into output forms by mouse manipulations, and then does not require for end-users to have IT skill.