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DCC
2008
IEEE

Re-pair Achieves High-Order Entropy

9 years 2 months ago
Re-pair Achieves High-Order Entropy
Re-Pair is a dictionary-based compression method invented in 1999 by Larsson and Moffat. Although its practical performance has been established through experiments, the method has resisted all attempts of formal analysis. In this paper we show that Re-Pair compresses a sequence T[1, n] over an alphabet of size and k-th order entropy Hk, to at most 2Hk + o(n log ) bits, for any k = o(log n).
Gonzalo Navarro, Luís M. S. Russo
Added 25 Dec 2009
Updated 25 Dec 2009
Type Conference
Year 2008
Where DCC
Authors Gonzalo Navarro, Luís M. S. Russo
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