\begin{thebibliography}{10} \bibitem{Picci11} Giorgio Picci. \newblock {\em Metodi statistici per l'identificazione di sistemi lineari}. \newblock 2011. \bibitem{Chiuso10} Alessandro Chiuso and Gianluigi Pillonetto. \newblock Identification of large-scale sparse linear dynamic systems: a regularization based approach. \newblock 2010. \bibitem{Ljung99} Lennart Ljung. \newblock {\em System identification - theory for the user}. \newblock 1999. \bibitem{Chiuso2} Alessandro Chiuso and Gianluigi Pillonetto. \newblock Nonparametric sparse estimators for identification of large scale linear systems. \bibitem{Chiuso3} Alessandro Chiuso and Gianluigi Pillonetto. \newblock Learning sparse dynamic linear systems using stable spline kernels and exponential hyperpriors. \bibitem{Bonollo07} Federico Bonollo, Daniele Cattai, and Marco Verga. \newblock Identificazione termodinamica di un edificio con l'utilizzo di pca e pls. \newblock 2007-2008. \bibitem{Efron04} Brandly Efron, Trevor Hastie, Iain Johnstone, and Robert Tibshirani. \newblock Least angle regression. \newblock {\em Journal of the Royal Statistical Society}, 2004. \bibitem{Toffoli06} Elena Toffoli, Giancarlo Baldan, and Guido Albertin. \newblock Identificazione termodinamica di un edificio. \newblock 2006-2007. \bibitem{Yuan06} Ming Yuan and Yi~Lin. \newblock Model selection and estimation in regression with grouped variables. \newblock {\em Journal of the Royal Statistical Society}, 2006. \bibitem{Tibshirani96} Robert Tibshirani. \newblock Regression shrinkage and selection via the lasso. \newblock {\em Journal of the Royal Statistical Society}, 1996. \bibitem{SHT1x} Sensirion AG. \newblock {\em Datasheet SHT1x - Humidity and temperature sensor}, 2010. \bibitem{Tmote} Moteiv Corporation. \newblock {\em Tmote sky - humidity, light and temperature sensor with USB}, 2006. \end{thebibliography}