Complex Event Extraction using DRUM James Allen author Will de Beaumont author Lucian Galescu author Choh Man Teng author 2015-07 text Proceedings of BioNLP 15 Kevin Bretonnel Cohen editor Dina Demner-Fushman editor Sophia Ananiadou editor Jun-ichi Tsujii editor Association for Computational Linguistics Beijing, China conference publication allen-etal-2015-complex 10.18653/v1/W15-3801 https://aclanthology.org/W15-3801/ 2015-07 1 11