Exploring characteristics of collective content: a field study with four user communities. - Thomas Olsson 002; Hannu Toivola; Kaisa Väänänen-Vainio-Mattila (CHI Extended Abstracts, 2008)

Collective Content as a Facilitator of Community Interaction: A User Study of Four Close-Knit Communities. - Thomas Olsson 002; Hannu Toivola; Minna Wäljas; Kaisa Väänänen-Vainio-Mattila; Jaakko Lehikoinen (HCI (12), 2009)