Phrase Structure Annotation and Parsing for Learner English 論文 Keisuke Sakaguchi・Ryo Nagata ·2017 ·『自然言語処理』 24(3) pp. 491-514 doi:10.5715/jnlp.24.491
A Topic-Independent Method for Scoring Student Essay Content 論文 Ryo NAGATA・Jun-ichi KAKEGAWA・Yukiko YABUTA ·2010 ·『IEICE Transactions on Information and Systems』 E93.D(2) pp. 335-340 doi:10.1587/transinf.E93.D.335