@inproceedings{Yang2018Yeddalightweight,
  title = {YEDDA: A Lightweight Collaborative Text Span Annotation Tool},
  author = {Jie Yang and Yue Zhang and Linwei Li and Xingxuan Li},
  booktitle = {Annual Meeting of the Association for Computational Linguistics (ACL), Demo},
  year = {2018},
  url = {https://aclanthology.org/P18-4006/}
}