@inproceedings{crowdsourcinghighqualityparalleldata,
  title = {Crowdsourcing High-Quality Parallel Data Extraction from Twitter},
  author = {Wang Ling and Lu{\'\i}s Marujo and Chris Dyer and Alan W. black and Isabel Trancoso},
  year = {2014},
  booktitle = {WS 2014 6},
  url = {https://aclanthology.org/W14-3356},
}