@inproceedings{OCSC-2007-ChenZTM,
	author        = "Chaomei Chen and Weizhong Zhu and Brian M. Tomaszewski and Alan M. MacEachren",
	booktitle     = "{Proceedings of the Second International Conference on Online Communities and Social Computing}",
	doi           = "10.1007/978-3-540-73257-0_30",
	isbn          = "978-3-540-73256-3",
	pages         = "265--274",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Tracing Conceptual and Geospatial Diffusion of Knowledge}",
	volume        = 4564,
	year          = 2007,
}