@inproceedings{del-rio-etal-2016-towards,
    title = "Towards error annotation in a learner corpus of {P}ortuguese",
    author = "del R{\'i}o, Iria  and
      Antunes, Sandra  and
      Mendes, Am{\'a}lia  and
      Janssen, Maarten",
    editor = {Volodina, Elena  and
      Grigonyt{\.{e}}, Gintar{\.{e}}  and
      Pil{\'a}n, Ildik{\'o}  and
      Bj{\"o}rkenstam, Kristina Nilsson  and
      Borin, Lars},
    booktitle = "Proceedings of the joint workshop on {NLP} for Computer Assisted Language Learning and {NLP} for Language Acquisition",
    month = nov,
    year = "2016",
    address = "Ume{\r{a}}, Sweden",
    publisher = "LiU Electronic Press",
    url = "https://aclanthology.org/W16-6502/",
    pages = "8--17"
}