Concha_CF .........\CF.m .........\Collaborative_Filtering.pdf .........\CollaFilter.m .........\CollaFilterUser.m .........\dibujar.m .........\document.pdf .........\ga.mat .........\item based collaborative fiter.pdf .........\ItemBasedCollaborativeFiltering_Sarvar.pdf .........\probar.m .........\readme.txt .........\SimilitudItems.m