@InProceedings{bykh-meurers:2014:Coling,
  author    = {Bykh, Serhiy  and  Meurers, Detmar},
  title     = {Exploring Syntactic Features for Native Language Identification: A Variationist Perspective on Feature Encoding and Ensemble Optimization},
  booktitle = {Proceedings of COLING 2014, the 25th International Conference on Computational Linguistics: Technical Papers},
  month     = {August},
  year      = {2014},
  address   = {Dublin, Ireland},
  publisher = {Dublin City University and Association for Computational Linguistics},
  pages     = {1962--1973},
  url       = {http://www.aclweb.org/anthology/C14-1185}
}