María Teresa Linaza Amaia Agirregoikoa Ander García Jose Ignacio Torres Kepa Aranburu Image-based Travel Recommender System for small tourist destinations. 1-12 2011 ENTER http://dx.doi.org/10.1007/978-3-7091-0503-0_1 conf/enter/2011 db/conf/enter/enter2011.html#LinazaAGTA11