the ncd source repo
all work (c) andrew r. cohen and paul m. b. vitanyi andrew.r.cohen@drexel.edu
unless otherwise specified, source license is GPL
refer to :
A.R. Cohen and P.M.B. Vitányi, The Cluster Structure Function, in preparation.
A.R. Cohen and P.M.B. Vitányi, Web Similarity in Sets of Search Terms Using Database Queries, SN Computer Science, 1, 161 (2020). https://doi.org/10.1007/s42979-020-00148-5. Also arXiv 1502.05957 (pdf).
A.R.Cohen and P.M.B. Vitányi, Normalized Compression Distance of Multisets with Applications, IEEE Transactions on Pattern Analysis and Machine Intelligence. 2015 Aug;37(8):1602-14,