@inproceedings{crowdsourcingmultiplechoicescience,
  title = {Crowdsourcing Multiple Choice Science Questions},
  author = {Johannes Welbl and Nelson F. Liu and Matt Gardner},
  year = {2017},
  booktitle = {WS 2017 9},
  eprint = {1707.06209},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1707.06209v1},
}