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Web services, especially as fundamental components of service-oriented architectures, are receiving a lot of attention. Their great promise, however, has not yet been realized, and a possible explantion is that significant research and engineering problems remain. We describe the problems, indicate likely directions and approaches for their solution, present an agenda for the deployment of such solutions, and explain the benefits of the resultant deployment. It is our strong expectation that Web services will eventually have an agent basis, which would be needed to address the problems.
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