Data compression method combining properties of PPM and CTW
pp. 268-283
in: Setsuo Arikawa, Ayumi Shinohara (eds), Progress in discovery science, Berlin, Springer, 2002Abstract
Universal compression and leaning has been interacting with each other. This paper combines two compression schemes, PPM (Prediction by Partial Match) and CTW (Context Tree Weighting), to a scheme which can predict the multi-alphabet probabilities to attain better compression ratio.