@inproceedings{automaticallyderivingeventontologiesfora,
  title = {Automatically Deriving Event Ontologies for a CommonSense Knowledge Base},
  author = {James Allen and Will de Beaumont and Lucian Galescu and Jansen Orfan and Mary Swift and Choh Man Teng},
  year = {2013},
  booktitle = {WS 2013 3},
  url = {https://aclanthology.org/W13-0103},
}