Optimizing Word Segmentation for Downstream Tasks by Weighting Text Vector 論文 Tatsuya Hiraoka・Sho Takase・Kei Uchiumi・Atsushi Keyaki・Naoaki Okazaki ·2021-01-01 ·『Journal of Natural Language Processing』 28(2) pp. 479-507 doi:10.5715/jnlp.28.479