@inproceedings{groundhogdagrepresentingsemantic,
  title = {Groundhog DAG: Representing Semantic Repetition in Literary Narratives},
  author = {Greg Lessard and Michael Levison},
  year = {2013},
  booktitle = {WS 2013 6},
  url = {https://aclanthology.org/W13-1408},
}