J. Bergstra, R. Bardenet, Y. Bengio, and B. Kégl. Proceedings of the 24th International Conference on Neural Information Processing Systems, page 2546--2554. USA, Curran Associates Inc., (2011)
A. Rae, B. Sigurbjörnsson, and R. van Zwol. Adaptivity, Personalization and Fusion of Heterogeneous Information, page 92--99. Paris, France, Le Centre De Hautes Etudes Internationales d'Informatique Documentaire, (2010)