Simultaneous error detection at two levels of syntactic annotation Adam Przepiórkowski author Michał Lenart author 2012-07 text Proceedings of the Sixth Linguistic Annotation Workshop Nancy Ide editor Fei Xia editor Association for Computational Linguistics Jeju, Republic of Korea conference publication przepiorkowski-lenart-2012-simultaneous https://aclanthology.org/W12-3615/ 2012-07 118 123