Substitutional compression schemes proposed by Jakob Ziv and Abraham Lempel in 1977 and 1978. There are two main schemes, LZ77 and LZ78. Lempel-Ziv Welch compression is a variant of LZ78.
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Nearby terms: LEGOL « Le-Lisp « lemma « Lempel-Ziv compression » Lempel-Ziv Welch compression » Lenat, Doug » lenient evaluation