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Lempel–Ziv–Welch (LZW) is a lossless data compression algorithm that is a variation of the Lempel-Ziv family of algorithms, specifically derived from the Lempel-Ziv 1977 (LZ77) and Lempel-Ziv 1981 (LZ78) compression methods. It was developed by Abraham Lempel, Jacob Ziv, and Terry Welch, and it was introduced in 1984.

Ancestors (6)

  1. Data compression
  2. Information theory
  3. Applied mathematics
  4. Fields of mathematics
  5. Mathematics
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