@InProceedings{Nagase-EtAl:2011:PACLIC2011,
author    = {Tomoki Nagase and Hajime Tsukada and Katsunori Kotani and Nobutoshi Hatanaka and Yoshiyuki Sakamoto},
title     = {Automatic Error Analysis Based on Grammatical Questions},
booktitle = {Proceedings of the 25th Pacific Asia Conference on Language, Information and Computation},
year      = {2011},
month     = {December},
address   = {Singapore},
publisher = {Institute of Digital Enhancement of Cognitive Processing, Waseda University},
pages     = {206--215},
url       = {http://www.aclweb.org/anthology/Y11-1022}
}