Participation and Engagement in Inter-organizational Groups: Synthesizing Social Network Analysis with Ethnography to Evaluate Social Capital. - Tim Butcher; Caroline Chan; Paul Scriven; Seamus O'Reilly; Steven Pereira (DASC, 2011)

The Emergence of Converging Communities via Twitter. - Cecilia Loureiro-Koechlin; Tim Butcher (J. Community Informatics, 2013)