The Circumstantial Event Ontology (CEO) and ECB+/CEO: an Ontology and Corpus for Implicit Causal Relations between Events Roxane Segers author Tommaso Caselli author Piek Vossen author 2018-05 text Proceedings of the Eleventh International Conference on Language Resources and Evaluation (LREC 2018) Nicoletta Calzolari editor Khalid Choukri editor Christopher Cieri editor Thierry Declerck editor Sara Goggi editor Koiti Hasida editor Hitoshi Isahara editor Bente Maegaard editor Joseph Mariani editor Hélène Mazo editor Asuncion Moreno editor Jan Odijk editor Stelios Piperidis editor Takenobu Tokunaga editor European Language Resources Association (ELRA) Miyazaki, Japan conference publication segers-etal-2018-circumstantial https://aclanthology.org/L18-1725/ 2018-05