Time Expressions in Mental Health Records for Symptom Onset Extraction Natalia Viani author Lucia Yin author Joyce Kam author Ayunni Alawi author André Bittar author Rina Dutta author Rashmi Patel author Robert Stewart author Sumithra Velupillai author 2018-10 text Proceedings of the Ninth International Workshop on Health Text Mining and Information Analysis Alberto Lavelli editor Anne-Lyse Minard editor Fabio Rinaldi editor Association for Computational Linguistics Brussels, Belgium conference publication viani-etal-2018-time 10.18653/v1/W18-5621 https://aclanthology.org/W18-5621/ 2018-10 183 192