Conceptual Foundations of Crowdsourcing: A Review of IS Research. - Jay Pedersen; David Kocsis; Abhishek Tripathi; Alvin Tarrell; Aruna Weerakoon; Nargess Tahmasbi; Jie Xiong 002; Wei Deng; Onook Oh; Gert-Jan de Vreede (HICSS, 2013)