1. Daya Guo , Shuo Ren , Shuai Lu , Zhangyin Feng , Duyu Tang , Shujie Liu , Long Zhou , Nan Duan , Alexey Svyatkovskiy , Shengyu Fu , Michele Tufano , Shao Kun Deng , Colin B. Clement , Dawn Drain , Neel Sundaresan , Jian Yin , Daxin Jiang , and Ming Zhou . 2021 . GraphCodeBERT: Pre-training Code Representations with Data Flow . In Proceedings of the 9th International Conference on Learning Representations, ICLR 2021 , Virtual Event, Austria , May 3-7, 2021. OpenReview.net. https://openreview.net/forum?id=jLoC4ez43PZ Daya Guo, Shuo Ren, Shuai Lu, Zhangyin Feng, Duyu Tang, Shujie Liu, Long Zhou, Nan Duan, Alexey Svyatkovskiy, Shengyu Fu, Michele Tufano, Shao Kun Deng, Colin B. Clement, Dawn Drain, Neel Sundaresan, Jian Yin, Daxin Jiang, and Ming Zhou. 2021. GraphCodeBERT: Pre-training Code Representations with Data Flow. In Proceedings of the 9th International Conference on Learning Representations, ICLR 2021, Virtual Event, Austria, May 3-7, 2021. OpenReview.net. https://openreview.net/forum?id=jLoC4ez43PZ