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Locally Decodable Codes

  • Reference work entry
  • First Online:
Encyclopedia of Algorithms

  • 190 Accesses

Years and Authors of Summarized Original Work

  • 2000; Katz, Trevisan

  • 2002; Goldreich, Karloff, Schulman, Trevisan

  • 2004; Kerenedis, de Wolf

  • 2007; Woodruff

  • 2007; Raghavendra

  • 2008; Yekhanin

  • 2009; Efremenko

  • 2010; Dvir, Gopalan, Yekhanin

  • 2010; Woodruff

  • 2011; Kopparty, Saraf, Yekhanin

  • 2013; Hemenway, Ostrovsky, Wootters

  • 2013; Guo, Kopparty, Sudan

  • 2015; Kopparty, Meir, Ron-Zewi, Saraf

Problem Definition

Classical error-correcting codes allow one to encode a k-bit message x into an n-bit codeword C(x), in such a way that x can still be accurately recovered even if C(x) gets corrupted in a small number of coordinates. The traditional way to recover even a small amount of information contained in x from a corrupted version of C(x) is to run a traditional decoder for C, which would read and process the entire corrupted codeword, to recover the entire original message x. The required information or required piece of xcan then be read off. In the current digital age where huge amounts of data need...

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Author information

Authors and Affiliations

  1. Department of Mathematics and Department of Computer Science, Rutgers University, Piscataway, NJ, USA

    Shubhangi Saraf

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  1. Shubhangi Saraf
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Correspondence to Shubhangi Saraf .

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Editors and Affiliations

  1. Department of Electrical Engineering and Computer Science, Northwestern University, Evanston, IL, USA

    Ming-Yang Kao

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Saraf, S. (2016). Locally Decodable Codes. In: Kao, MY. (eds) Encyclopedia of Algorithms. Springer, New York, NY. https://doi.org/10.1007/978-1-4939-2864-4_708

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