@inproceedings{labelinggapsbetweenwordsrecognizing,
  title = {Labeling Gaps Between Words: Recognizing Overlapping Mentions with Mention Separators},
  author = {Aldrian Obaja Muis and Wei Lu},
  year = {2018},
  booktitle = {EMNLP 2017 9},
  eprint = {1810.09073},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1810.09073v1},
}