@article {1498852,
	title = {A flexible framework for recognizing events, temporal expressions, and temporal relations in clinical text },
	journal = {Journal of the American Medical Informatics Association},
	volume = {20},
	number = {5},
	year = {2013},
	pages = {867-875},
	url = {https://doi.org/10.1136/amiajnl-2013-001619},
	author = {Kirk Roberts and Bryan Rink and Harabagiu, Sanda M}
}
