@InProceedings{chan-king:2018:EMNLP,
  author    = {Chan, Hou Pong  and  King, Irwin},
  title     = {Thread Popularity Prediction and Tracking with a Permutation-invariant Model},
  booktitle = {Proceedings of the 2018 Conference on Empirical Methods in Natural Language Processing},
  month     = {October-November},
  year      = {2018},
  address   = {Brussels, Belgium},
  publisher = {Association for Computational Linguistics},
  pages     = {3392--3401},
  url       = {http://www.aclweb.org/anthology/D18-1376}
}