1. Hastie, T., Tibshirani, R., Friedman, J., Franklin, J.: The elements of statistical learning: data mining, inference and prediction. Math. Intell. 27(2), 83–85 (2005)
2. Friedman, J., Hastie, T., Tibshirani, R.: Sparse inverse covariance estimation with the graphical lasso. Biostatistics 9(3), 432–441 (2008)
3. Schwarz, G.: Estimating the dimension of a model. Ann. Stat. 6(2), 461–464 (1978)
4. Chickering, D.M.: Optimal structure identification with greedy search. J. Mach. Learn. Res. 3, 507–554 (2003)
5. Spirtes, P., Glymour, C.N., Scheines, R.: Causation, Prediction, and Search, 2nd edn. MIT Press, Cambridge (2000)