On exploiting classification taxonomies in recommender systems.

Cai-Nicolas Ziegler Georg Lausen Joseph A. Konstan On exploiting classification taxonomies in recommender systems. 97-125 2008 21 AI Commun. 2-3 http://dx.doi.org/10.3233/AIC-2008-0430 db/journals/aicom/aicom21.html#ZieglerLK08