Error correcting system for analysis of Japanese patent sentences Yokoyama Shoichi author Kennendai Shigehiro author 2007-sep 11 text Proceedings of the Workshop on Patent translation Jun’ichi Tsujii editor Shoichi Yokoyama editor Copenhagen, Denmark conference publication shoichi-shigehiro-2007-error https://aclanthology.org/2007.mtsummit-wpt.6/ 2007-sep 11