Piotrkowicz, A., V. Dimitrova, J. Otterbacher, and K. Markert. “Headlines Matter: Using Headlines to Predict the Popularity of News Articles on Twitter and Facebook”. Proceedings of the International AAAI Conference on Web and Social Media, vol. 11, no. 1, May 2017, pp. 656-9, doi:10.1609/icwsm.v11i1.14951.