@article {1504151, title = {MedTime: A temporal information extraction system for clinical narratives}, journal = {Journal of Biomedical Informatics}, volume = {46}, number = {Supplement}, year = {2013}, pages = {S20-S28}, url = {https://doi.org/10.1016/j.jbi.2013.07.012}, author = {Yu-Kai Lin and Hsinchun Chen and Randall A. Brown} }