Silvana Aciar, Josep Lluís de la Rosa, Josefina López Herrera. Discovering Good Sources for Recommender Systems. In Juan M. Corchado, Sara Rodríguez, James Llinas, José M. Molina, editors, International Symposium on Distributed Computing and Artificial Intelligence, DCAI 2008, University of Salamanca, Spain, 22th-24th October 2008. Volume 50 of Advances in Soft Computing, pages 613-623, Springer, 2008. [doi]