García Peñalvo, Francisco J.Seoane Pardo, Antonio M.2013-06-032013-06-032013-06-03978-3-8325-3406-6http://grialdspace.usal.es/handle/grial/263In Learning Innovations and Quality: “The Future of Digital Resources”. Proceedings of European and International Conference LINQ 2013 (Rome, Italy, May 16-17, 2013). C. M. Stracke (Ed.).enTRAILERLINQmultilateral projectpresentationspresentacionesproyecto multilateralTagging, Recognition and Acknowledgment of Informal Learning ExpeRiences (TRAILER)Article