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A broker based architecture for e-learning Web services discovery

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2 Author(s)
D'Mello, D.A. ; Dept. of Comput. Sci. & Eng., St. Joseph Eng. Coll., Mangalore, India ; Achar, R.

The increasing demand for interoperability in existing heterogeneous e-learning systems to support seamless accessibility, reusability and aggregation is an important research issue. Service Oriented Computing (SOC) enables interoperability between heterogeneous applications/systems over the Web. To adopt Web services technology towards the reusability and aggregation of e-learning services, the conceptual Web services architecture and its building blocks need to be augmented. In this paper, the authors propose a broker based e-learning Web service architecture which facilitates effective e-learning service publishing and discovery mechanisms. The paper suggests a scheme to extend the WSDL 2.0 to incorporate functional semantics of e-learning operations. The paper presents an e-learning service knowledge called Learning Operation Tree (LOT) for the quick discovery. The experimentation shows that, the proposed broker based architecture for e-learning Web services facilitates effective discovery with moderate performance in terms of recall and response.

Published in:

Information and Communication Technologies (WICT), 2011 World Congress on

Date of Conference:

11-14 Dec. 2011

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