Business-to-Business will be a considerable market in the near future of Internet e-business. In this future market,
several providers need to be able to integrate or exchange information in providing a global service. The problem
that we want to tackle in this paper is related to the existing information sources in the current Internet environment. That is how to integrate existing Web sites each other to become a new Internet service ? The difficulty comes from a historical objective. Internet Web sites were developed for human users browsing and so, they do not support machine-understandable as well as inter-provider interaction. To overcome this gap, we need a framework to systematically migrate the existing presentation-oriented Web sites to service-oriented one. Evidently, redeveloping all of them is an unacceptable
solution