@article{tse2020dlsurvey, author = {Yingzhe He and Guozhu Meng and Kai Chen and Xingbo Hu and Jinwen He}, title = , booktitle = {IEEE Transactions on Software Engineering (TSE)}, publisher = {IEEE}, volume={}, number={}, pages={1-28}, year = {2020}, doi={10.1109/TSE.2020.3034721} }