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Authors:
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Alexandrino Gonçalves
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Research Center for Informatics and Communications of the Polytechnic Institute of Leiria, Portugal
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Luís Magalhães
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University of Trás-os-Montes and Alto Douro, Institute for Systems and Computer Engineering of Porto, Portugal
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João Moura
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University of Trás-os-Montes and Alto Douro, Knowledge Engineering and Decision Support Research Center, Portugal
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Alan Chalmers
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The Digital Laboratory, WMG, University of Warwick, UK
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