BluLab: Temporal Information Extraction for the 2015 Clinical TempEval Challenge Sumithra Velupillai author Danielle L Mowery author Samir Abdelrahman author Lee Christensen author Wendy Chapman author 2015-06 text Proceedings of the 9th International Workshop on Semantic Evaluation (SemEval 2015) Preslav Nakov editor Torsten Zesch editor Daniel Cer editor David Jurgens editor Association for Computational Linguistics Denver, Colorado conference publication velupillai-etal-2015-blulab 10.18653/v1/S15-2137 https://aclanthology.org/S15-2137/ 2015-06 815 819