https://github.com/Cyan4973/FiniteStateEntropy http://www.byronknoll.com/cmix.html https://github.com/FLIF-hub/FLIF
Conformal Prediction: Machine Learning with Confidence Intervals https://news.ycombinator.com/item?id=13582893
http://queue.acm.org/detail.cfm?id=3055303 http://webppl.org/ http://pages.cs.wisc.edu/~bsettles/ibs08/lectures/03-sequencemodels.pdf
https://ro-che.info/articles/2017-08-20-understanding-ans
https://github.com/dsnet/compress
https://fgiesen.wordpress.com/2015/05/26/models-for-adaptive-arithmetic-coding/
http://bijective.dogma.net/compres10.htm
http://marknelson.us/2012/10/09/the-random-compression-challenge-turns-ten/