@inproceedings{yeddaalightweightcollaborativetextspan,
  title = {YEDDA: A Lightweight Collaborative Text Span Annotation Tool},
  author = {Jie Yang and Yue Zhang and Linwei Li and Xingxuan Li},
  year = {2017},
  booktitle = {ACL 2018 7},
  eprint = {1711.03759},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1711.03759v3},
}