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Volume 18 / Issue 11

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DOI:   10.3217/jucs-018-11-1454


Orchestration of E-Learning Services for Automatic Evaluation of Programming Exercises

Ricardo Queirós (CRACS & INESC-Porto LA & DI-ESEIG/IPP, Portugal)

José Paulo Leal (University of Porto, Portugal)

Abstract: Managing programming exercises require several heterogeneous systems such as evaluation engines, learning objects repositories and exercise resolution environments. The coordination of networks of such disparate systems is rather complex. These tools would be too specific to incorporate in an e-Learning platform. Even if they could be provided as pluggable components, the burden of maintaining them would be prohibitive to institutions with few courses in those domains. This work presents a standard based approach for the coordination of a network of e-Learning systems participating on the automatic evaluation of programming exercises. The proposed approach uses a pivot component to orchestrate the interaction among all the systems using communication standards. This approach was validated through its effective use on classroom and we present some preliminary results.

Keywords: e-Learning, interoperability, service oriented architectures

Categories: D.3, L.1.2, L.3.0, L.3.6