Crowdsourcing civility: A natural experiment examining the effects of distributed moderation in online forums. - Cliff Lampe; Paul Zube; Jusil Lee; Chul Hyun Park; Erik W. Johnston (Gov. Inf. Q., 2014)

Crowdsourced, voluntary collective action in disasters. - Chul Hyun Park; Erik W. Johnston (DG.O, 2015)

Determinants of data sharing in U.S. city governments. - Eric W. Welch; Mary K. Feeney; Chul Hyun Park (Gov. Inf. Q., 2016)

A framework for analyzing digital volunteer contributions in emergent crisis response efforts. - Chul Hyun Park; Erik W. Johnston (New Media Soc., 2017)