[Riedl et al. 2010] Riedl, C., Wagner, S., Leimeister, J. M. and Krcmar, H.: "Exploring Large Collections of Ideas in Collaborative Settings through Visualization" (20) ; 20. Annual Workshop on Information Technologies and Systems (WITS) 2010, St. Louis, MO, USA, 205 (53-10) (2010).