Giorgi, S., S. C. Guntuku, J. C. Eichstaedt, C. Pajot, H. A. Schwartz, and L. H. Ungar. “Well-Being Depends on Social Comparison: Hierarchical Models of Twitter Language Suggest That Richer Neighbors Make You Less Happy”. Proceedings of the International AAAI Conference on Web and Social Media, vol. 15, no. 1, May 2021, pp. 1069-74,