Jorge Marques is Assistant Professor at the University Portucalense (UPT, Porto, Portugal), and a researcher at the REMIT-Research in Economics, Management and Information Technologies and at CEGOT-Centre of Studies on Geography and Spatial Planning. He has a Bachelor's degree in Hotel Management and PhD in Tourism, Leisure and Culture.Rui Pedro Marques is Assistant Professor at the University of Aveiro (Portugal), and received the PhD degree in Computer Science in 2014 from the Universities of Minho, Aveiro and Porto (Portugal). In 2008 he concluded his Master’s degree, and in 2005 his graduation in Electronics and Telecommunications Engineering at the University of Aveiro.