Rethinking Positional Encoding in Tree Transformer for Code Representation Han Peng author Ge Li author Yunfei Zhao author Zhi Jin author 2022-12 text Proceedings of the 2022 Conference on Empirical Methods in Natural Language Processing Yoav Goldberg editor Zornitsa Kozareva editor Yue Zhang editor Association for Computational Linguistics Abu Dhabi, United Arab Emirates conference publication peng-etal-2022-rethinking 10.18653/v1/2022.emnlp-main.210 https://aclanthology.org/2022.emnlp-main.210/ 2022-12 3204 3214