The World Wide Web is becoming a world wide supported distributed multimedia information platform. With the wide use and the increasing size of applications used on the Web, the development and the maintenance of such applications becomes an important issue. Existing approaches and tools are no longer suitable and sufficient and a systematic engineering development approach and the corresponding tools are needed. After a review of existing tools, the paper introduces a typical Web enabled application life cycle, suitable for establishing an effective development process. A component based model of Web enabled applications is then introduced, as the basis for our proposal of Web enabled application life cycle. The life cycle and the component based model will establish a sound foundation for further development of engineering approaches and tools for Web enabled applications.
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