Danescu-Niculescu-Mizil, C., Sudhof, M., Jurafsky, D., Leskovec, J., & Potts, C. (2013). A Computational Approach to Politeness with Application to Social Factors. In Proceedings of the 51st Annual Meeting of the Association for Computational Linguistics (pp. 250-259). [s.l.]: ACL. Retrieved from http://aclweb.org/anthology/P/P13/P13-1025.pdf.