Machine-Learning-Based Transformation of Passive Japanese Sentences into Active by Separating Training Data into Each Input Particle Masaki Murata author Toshiyuki Kanamaru author Tamotsu Shirado author Hitoshi Isahara author 2006-07 text Proceedings of the COLING/ACL 2006 Main Conference Poster Sessions Association for Computational Linguistics Sydney, Australia conference publication murata-etal-2006-machine https://aclanthology.org/P06-2076/ 2006-07 587 594