@InProceedings{dickinson-ragheb:2015:LAW,
  author    = {Dickinson, Markus  and  Ragheb, Marwa},
  title     = {On Grammaticality in the Syntactic Annotation of Learner Language},
  booktitle = {Proceedings of The 9th Linguistic Annotation Workshop},
  month     = {June},
  year      = {2015},
  address   = {Denver, Colorado, USA},
  publisher = {Association for Computational Linguistics},
  pages     = {158--167},
  url       = {http://www.aclweb.org/anthology/W15-1619}
}