Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Makoto Yamada and Sho Yokoi and Hisashi Kashima and Ayato Toyokuni,Computationally Efficient Wasserstein Loss for Structured Labels,Proceedings of the 16th Conference of the European Chapter of the Association for Computational Linguistics: Student Research Workshop,,Association for Computational Linguistics (ACL),2021-01-01,,,1-7,https://cir.nii.ac.jp/crid/1870020692904407936,https://doi.org/10.18653/v1/2021.eacl-srw.1