@article{13:39,author={Ioannis Tsamardinos and Sofia Triantafillou and Vincenzo Lagani}, Title={Towards Integrative Causal Analysis of Heterogeneous Data Sets and Studies},journal={Journal of Machine Learning Research},volume={13}, url={http://www.jmlr.org/papers/volume13/tsamardinos12a/tsamardinos12a.pdf}}