Approaches range from classical line‐simplification algorithms to advanced semantic compression methods that incorporate clustering and multi-resolution analysis.

Rudi Cilibrasi, , Ronald de Wolf, Algorithmic Clustering of Music Based on String Compression, Computer Music Journal, Vol. 28, No. 4 (Winter, 2004), pp. 49-67 ...

Fuzzy clustering was compared with the classification produced by TWINSPAN. (3) The first division of TWINSPAN contrasted species of wet environments (Agrostis canina, Sphagnum recurvum, Polytrichum ...