How can the Web services paradigm improve the e-learning?

E-learning takes advantage of the new features offered by Web services: integration of heterogeneous applications, publicity of available services, etc. As the adoption of this new technology increases it will become necessary to offer intermediary platforms that make it easier to find and locate services, and composing new services from the existing ones. Additionally, it will also be necessary to provide value-added services like auditing, security or management. We present a proposal for a standard-based intermediary framework for Web services.