Guo, Qipeng, Xipeng Qiu, Pengfei Liu, Xiangyang Xue, and Zheng Zhang. 2020. “Multi-Scale Self-Attention for Text Classification”. Proceedings of the AAAI Conference on Artificial Intelligence 34 (05):7847-54. https://doi.org/10.1609/aaai.v34i05.6290.