#SupportTheCause: Identifying Motivations to Participate in Online Health Campaigns Dong Nguyen author Tijs van den Broek author Claudia Hauff author Djoerd Hiemstra author Michel Ehrenhard author 2015-09 text Proceedings of the 2015 Conference on Empirical Methods in Natural Language Processing Lluís Màrquez editor Chris Callison-Burch editor Jian Su editor Association for Computational Linguistics Lisbon, Portugal conference publication nguyen-etal-2015-supportthecause 10.18653/v1/D15-1308 https://aclanthology.org/D15-1308/ 2015-09 2570 2576