Edward Pultar, Martin Raubal. A case for space: physical and virtual location requirements in the CouchSurfing social network. In Xiaofang Zhou, Xing Xie, editors, Proceedings of the 2009 International Workshop on Location Based Social Networks, LBSN 2009, November 3, 2009, Seattle, Washington, USA, Proceedings. pages 88-91, ACM, 2009. [doi]
Abstract is missing.