@article {1498862,
	title = {Evaluating temporal relations in clinical text: 2012 i2b2 Challenge},
	journal = {Journal of the American Medical Informatics Association},
	volume = {20},
	number = {5},
	year = {2013},
	pages = {806-813},
	url = {https://doi.org/10.1136/amiajnl-2013-001628},
	author = {Weiyi Sun and Anna Rumshisky and {\"O}zlem Uzuner}
}
