Designing Effective User Interfaces for Crowdsourcing: An Exploratory Study. - Robbie T. Nakatsu; Elissa B. Grossman (HCI (13), 2013)

A taxonomy of crowdsourcing based on task complexity. - Robbie T. Nakatsu; Elissa B. Grossman; Charalambos L. Iacovou (J. Inf. Sci., 2014)