A. García-Sola, T. García-Valverde, and J. Botía. Intelligent Environments (Workshops), volume 10 of Ambient Intelligence and Smart Environments, page 6-16. IOS Press, (2011)
A. García-Sola, T. García-Valverde, and J. Blaya. PAAMS (Special Sessions and Workshops), volume 71 of Advances in Intelligent and Soft Computing, page 147-155. Springer, (2010)