@InProceedings{ikuta-EtAl:2014:W14-29, author = {Ikuta, Rei and Styler, Will and Hamang, Mariah and O'Gorman, Tim and Palmer, Martha}, title = {Challenges of Adding Causation to Richer Event Descriptions}, booktitle = {Proceedings of the Second Workshop on EVENTS: Definition, Detection, Coreference, and Representation}, month = {June}, year = {2014}, address = {Baltimore, Maryland, USA}, publisher = {Association for Computational Linguistics}, pages = {12--20}, url = {http://www.aclweb.org/anthology/W/W14/W14-2903} }