@INPROCEEDINGS{JNL:Emoji2021,
  author =       {Keenan Jones and Jason~R.~C. Nurse and Shujun Li},
  title =        {The Shadowy Lives of Emojis: An Analysis of a Hacktivist Collective's Use of Emojis on {Twitter}},
  booktitle =    {Workshop Proceedings of the 15th International AAAI Conference on Web and Social Media (Proceedings of Emoji 2021: 4th International Workshop on Emoji Understanding and Applications in Social Media)},
  year =         {2021},
  articleno =    {4},
  doi =          {10.36190/2021.04},
  publisher =    {AAAI},
  note =         {preprint available online at \url{http://www.hooklee.com/pub.html}},
}