Rueda Molina, UrkoCalvo Fabo, IñakiArruarte Lasa, AnaElorriaga Arandia, Jon Ander2013-06-262013-06-2620111932-8540https://riunet.upv.es/handle/10251/30170[EN] This article is focused on the study of Open Student Models, area that takes on the opening of Student Models¿ characteristics in Technology Based Learning Systems. In this work a review of the state of the art on Open Student Models is performed. Different approximations of the literature are compared against an opening guide that authors have defined. This guide is formulated on three main parts: learning domain, learning state and progress and student profile.Reserva de todos los derechosTechnology Based Learning SystemsStudent ModelsOpen Student ModelsComparative studyArtículoAbierto