"Naoki Kobayashi,Tsutomu Hirao,Kengo Nakamura,Hidetaka Kamigaito,Manabu Okumura,Masaaki Nagata","Split or Merge: Which is Better for Unsupervised RST Parsing?","EMNLP-IJCNLP2019",,,,,,2019,Nov. "Naoki Kobayashi,Tsutomu Hirao,Kengo Nakamura,Hidetaka Kamigaito,Manabu Okumura,Masaaki Nagata","Split or Merge: Which is Better for Unsupervised RST Parsing?","Empirical Methods in Natural Language Processing","Proceedings of the 2019 Conference on Empirical Methods in Natural Language Processing and the 9th International Joint Conference on Natural Language Processing (EMNLP-IJCNLP)","Association for Computational Linguistics",,,"page 5797--5802",2019,Sept.