The Data Compression Resource
http://www.data-compression.info/
Algorithms, links, comparisons, conferences, corpora and the home of the compressor ABC.
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Arturo Campos: Compression Programming
http://www.arturocampos.com/
Articles on various compression algorithms.
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Computer Programming Algorithms Directory
http://www.algosort.com/
Resources that describe computer programming algorithms.
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On the Road to Algorithms
http://www.hlcmklam.com/
Information on algorithms such as Bubble Sort and Random Number Generation, using HTML, Java and Perl. Collected by Lam Ka Chun (Raymond).
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