P. Turchin, The SESHAT Databank Project: the 2014 Report, Cliodynamics: The Journal of Quantitative History and Cultural Evolution, vol.5, issue.1, 2014.
DOI : 10.21237/C7CLIO5125311

P. Turchin, Dynamics of political instability in the United States, J. Peace Res, vol.49, issue.4, pp.1780-2010, 2012.

K. Feeney, D. O-'sullivan, W. Tai, and R. Brennan, Improving Curated Web-Data Quality with Structured Harvesting and Assessment, International Journal on Semantic Web and Information Systems, vol.10, issue.2, pp.35-62, 2015.
DOI : 10.4018/ijswis.2014040103