Han PengGe Li 0001Yunfei ZhaoZhi JinRethinking Positional Encoding in Tree Transformer for Code Representation.3204-32142022EMNLPhttps://doi.org/10.18653/v1/2022.emnlp-main.210https://aclanthology.org/2022.emnlp-main.210conf/emnlp/2022db/conf/emnlp/emnlp2022.html#Peng0ZJ22