At the heart of Bzip2 is the Burrows Wheeler Transform. Dr Steve Bagley (and a live studio audience) explains how & why it works.
#compression #ComputerScience
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This video was filmed and edited by Sean Riley.
Computer Science at the University of Nottingham: https://bit.ly/nottscomputer
Computerphile is a sister project to Brady Haran's Numberphile. More at http://www.bradyharan.com