@inproceedings{varclassanopensourcelanguage,
  title = {VarClass: An Open-source Language Identification Tool for Language Varieties},
  author = {Marcos Zampieri and Binyam Gebre},
  year = {2014},
  booktitle = {LREC 2014 5},
  url = {https://aclanthology.org/L14-1745},
}