García-Peñalvo, Francisco J.Conde-González, M. Á.Zangrando, ValentinaGarcía-Holgado, AliciaSeoane Pardo, Antonio M.Alier Forment, MarcGalanis, NikolasBrouns, FrancisVogten, HubertGriffiths, DaiMykowska, AleksandraAlves, Gustavo R.Minovic, Miroslav2013-09-242013-09-242013-09-240948-695Xhttp://grialdspace.usal.es/handle/grial/275Journal of Universal Computer Science. 19(11): 1661-1683. 2013. Available online at http://www.jucs.org/jucs_19_11/trailer_project_tagging_recognition. ISSN: 0948-695X. (JCR).enInformal learningAprendizaje informalPersonal Learning NetworkDecision makingToma de decisionesRed personal de aprendizajeTRAILER Project (Tagging, Recognition, Acknowledgment of Informal Learning Experiences) A Methodology to Make Learners’ Informal Learning Activities Visible to the InstitutionsArticle