Transformation of Dense and Sparse Text Representations Wenpeng Hu author Mengyu Wang author Bing Liu author Feng Ji author Jinwen Ma author Dongyan Zhao author 2020-12 text Proceedings of the 28th International Conference on Computational Linguistics Donia Scott editor Nuria Bel editor Chengqing Zong editor International Committee on Computational Linguistics Barcelona, Spain (Online) conference publication hu-etal-2020-transformation 10.18653/v1/2020.coling-main.290 https://aclanthology.org/2020.coling-main.290/ 2020-12 3257 3267