@InProceedings{nguyen-EtAl:2015:EMNLP,
  author    = {Nguyen, Dong  and  van den Broek, Tijs  and  Hauff, Claudia  and  Hiemstra, Djoerd  and  Ehrenhard, Michel},
  title     = {\#SupportTheCause: Identifying Motivations to Participate in Online Health Campaigns},
  booktitle = {Proceedings of the 2015 Conference on Empirical Methods in Natural Language Processing},
  month     = {September},
  year      = {2015},
  address   = {Lisbon, Portugal},
  publisher = {Association for Computational Linguistics},
  pages     = {2570--2576},
  url       = {http://aclweb.org/anthology/D15-1308}
}