Social Capital in the Blogosphere: A Case Study. - Matthew S. Smith; Nathan Purser; Christophe G. Giraud-Carrier (AAAI Spring Symposium: Social Information Processing, 2008)

Implicit affinity networks and social capital. - Matthew S. Smith; Christophe G. Giraud-Carrier; Nathan Purser (Inf. Technol. Manag., 2009)