@inproceedings{reducingannotationeffortsinsupervised,
  title = {Reducing Annotation Efforts in Supervised Short Answer Scoring},
  author = {Torsten Zesch and Michael Heilman and Aoife Cahill},
  year = {2015},
  booktitle = {WS 2015 6},
  url = {https://aclanthology.org/W15-0615},
}