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Tag: Data Compression 101

Where did the missing 44GB went? – Data compression 101

This is the second in a series of articles where I will go over the basics of common type of compressions. You can find the first article here Wikipedia in its English version has 3.5 billion words. All human knowledge compressed to 3.5 billion words. How do I know this?  I read it on Wikipedia. *** Some of you may be surprised to discover that the recent text version of Wikipedia can be downloaded in its entirety. As I’m writing this lines, the English version of Wiki is 58GB, but if someone will try to download it…

Replacing a sentence with a single character – Data compression 101

There is a legend about a famous 19th-century writer, Victor Hugo, who was on vacation. That writer wanted to know how the sale of his new book, “Les Misérables”, was progressing. So, what did he do? He wrote to the publisher. When the publisher opened the letter, he was surprised to find out that it contain a single character: “?” *** In data compression we are trying to represent relevant data in a minimal number of symbols. Take a file and shave of him every possible bit. Less is more, that is,  a website that takes less…