Citizen Engineering: Methods for "Crowdsourcing" Highly Trustworthy Results. - Zhi Zhai; David Hachen; Tracy Kijewski-Correa; Feng Shen; Gregory R. Madey (HICSS, 2012)

Haiti earthquake photo tagging: Lessons on crowdsourcing in-depth image classifications. - Zhi Zhai; Tracy Kijewski-Correa; David Hachen; Gregory R. Madey (ICDIM, 2012)

Citizen Engineering: Evolving OSS Practices to Engineering Design and Analysis. - Zhi Zhai; Tracy Kijewski-Correa; Ahsan Kareem; David Hachen; Gregory R. Madey (OSS, 2012)

Lessons Learned from an Experiment in Crowdsourcing Complex Citizen Engineering Tasks with Amazon Mechanical Turk. - Matthew Staffelbach; Peter Sempolinski; David Hachen; Ahsan Kareem; Tracy Kijewski-Correa; Douglas Thain; Daniel Wei; Greg Madey (CoRR, 2014)