Acknowledgements

Xuanzhi Chen would like to thank the DMIR laboratory for offering him research opportunities, with special thanks to Ruichu Cai (蔡瑞初) of the lab director and Dongning Liu (刘冬宁) of the dean in School of Computer.

Jie Qiao (乔杰) and Zhiyi Huang (黄智毅) were willing to spend their time in personal discussions with Xuanzhi Chen about details in the paper; Zhengming Chen (陈正铭) patiently helped point out initial mistakes in the paper; thanks to other graduate students, such as Zeqin Yang (杨泽勤), Zhengting Huang (黄正婷), Xiaokai Huang (黄晓楷), and Yu Xiang (向宇), for their generosity of teaching when Xuanzhi chen was initially building the CADIMULC repository.

Finally, Xuanzhi Chen owes a great debt to his advisor Wei Chen (陈薇) for her encouragement when Xuanzhi started studying causation two years ago — "Do it, just have your own interest of research and your own rhythm of lifetime".