@inproceedings{generatingreferencetextsforshortanswer,
  title = {Generating Reference Texts for Short Answer Scoring Using Graph-based Summarization},
  author = {Ramach and Lakshmi ran and Peter Foltz},
  year = {2015},
  booktitle = {WS 2015 6},
  url = {https://aclanthology.org/W15-0624},
}