@inproceedings{exploringsyntacticfeaturesfornative,
  title = {Exploring Syntactic Features for Native Language Identification: A Variationist Perspective on Feature Encoding and Ensemble Optimization},
  author = {Serhiy Bykh and Detmar Meurers},
  year = {2014},
  booktitle = {COLING 2014 8},
  url = {https://aclanthology.org/C14-1185},
}