CLPsych 2015 Shared Task: Depression and PTSD on Twitter Glen Coppersmith author Mark Dredze author Craig Harman author Kristy Hollingshead author Margaret Mitchell author 2015-jun 5 text Proceedings of the 2nd Workshop on Computational Linguistics and Clinical Psychology: From Linguistic Signal to Clinical Reality Association for Computational Linguistics Denver, Colorado conference publication coppersmith-etal-2015-clpsych 10.3115/v1/W15-1204 https://aclanthology.org/W15-1204/ 2015-jun 5 31 39