@inproceedings{thecircumstantialeventontologyceoand,
  title = {The Circumstantial Event Ontology (CEO) and ECB+/CEO: an Ontology and Corpus for Implicit Causal Relations between Events},
  author = {Roxane Segers and Tommaso Caselli and Piek Vossen},
  year = {2018},
  booktitle = {LREC 2018 5},
  url = {https://aclanthology.org/L18-1725},
}