A. Gabadinho, G. Ritschard, N. Müller, and M. Studer, Analyzing and visualizing state sequences in R with TraMineR, Journal of Statistical Software, vol.40, issue.4, pp.1-37, 2011.
DOI : 10.18637/jss.v040.i04
URL : http://doi.org/10.18637/jss.v040.i04

E. Meyer, Eric's archived thoughts: Acid redux, p.http, 2008.

H. Ung, J. Dalle, and . Id, Project management in the Wikipedia community, Proceedings of the 6th International Symposium on Wikis and Open Collaboration, WikiSym '10, pp.1-13, 2010.
DOI : 10.1145/1832772.1832790