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.

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