@inproceedings{thecircumstantialeventontologyceo,
  title = {The Circumstantial Event Ontology (CEO)},
  author = {Roxane Segers and Tommaso Caselli and Piek Vossen},
  year = {2017},
  booktitle = {WS 2017 8},
  url = {https://aclanthology.org/W17-2706},
}