Xmlppm

Jul 20, 2023

XML-Conscious PPM Compression

XMLPPM is a data compression program that compresses XML files from 5 to 30 better than any existing text or XML-specific compressors. It is a combination of the well-known Prediction by Partial Match PPM algorithm for text compression, first described by Cleary and Witten in 1984, and an approach to modeling tree-structured data called Multiplexed Hierarchical Modeling MHM that I have developed.



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