;Caballe, Santi (Professor, Faculty of Computer Science, Multimedia and Telecommunications, Universitat Oberta de Catalunya, Barcelona, Spain),Casas-Roma, Joan,Conesa, Jordi (Faculty of Computer Scien
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Caballe, Santi (Professor, Faculty of Computer Science, Multimedia and Telecommunications, Universitat Oberta de Catalunya, Barcelona, Spain),Demetriadis, Stavros N. (Professor, School of Informatics
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