The Remarkable Benefit of User-Level Aggregation for Lexical-based Population-Level Predictions Salvatore Giorgi author Daniel Preoţiuc-Pietro author Anneke Buffone author Daniel Rieman author Lyle Ungar author H Andrew Schwartz author 2018-oct-nov text Proceedings of the 2018 Conference on Empirical Methods in Natural Language Processing Ellen Riloff editor David Chiang editor Julia Hockenmaier editor Jun’ichi Tsujii editor Association for Computational Linguistics Brussels, Belgium conference publication giorgi-etal-2018-remarkable 10.18653/v1/D18-1148 https://aclanthology.org/D18-1148/ 2018-oct-nov 1167 1172