[Blohm et al. 2011] Blohm, I., Riedl, C., Leimeister, J. M. and Krcmar, H.: "Idea Evaluation Mechanisms for Collective Intelligence in Open Innovation Communities: Do Traders outperform Raters?"; International Conference on Information Systems 2011 (ICIS) 2011, Shanghai, China, 286 (49-11) (2011), 1-24.