Lim, E.-P., D. Correa, D. Lo, M. Finegold, and F. Zhu. “Reviving Dormant Ties in an Online Social Network Experiment”. Proceedings of the International AAAI Conference on Web and Social Media, vol. 7, no. 1, Aug. 2021, pp. 361-9, doi:10.1609/icwsm.v7i1.14390.