Komanduri, S., Fang, L., Huffaker, D. and Staddon, J. 2021. Around the Water Cooler: Shared Discussion Topics and Contact Closeness in Social Search. Proceedings of the International AAAI Conference on Web and Social Media. 6, 1 (Aug. 2021), 186-193. DOI:https://doi.org/10.1609/icwsm.v6i1.14272.