@article{12:33,author={Shohei Shimizu and Takanori Inazumi and Yasuhiro Sogawa and Aapo Hyvrinen and Yoshinobu Kawahara and Takashi Washio and Patrik O. Hoyer and Kenneth Bollen}, Title={DirectLiNGAM: A Direct Method for Learning a Linear Non-Gaussian Structural Equation Model},journal={Journal of Machine Learning Research},volume={12}, url={http://www.jmlr.org/papers/volume12/shimizu11a/shimizu11a.pdf}}