Groundhog DAG: Representing Semantic Repetition in Literary Narratives Greg Lessard author Michael Levison author 2013-06 text Proceedings of the Workshop on Computational Linguistics for Literature David Elson editor Anna Kazantseva editor Stan Szpakowicz editor Association for Computational Linguistics Atlanta, Georgia conference publication lessard-levison-2013-groundhog https://aclanthology.org/W13-1408/ 2013-06 52 60