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  2. Lifelong Planning A* - Wikipedia

    en.wikipedia.org/wiki/Lifelong_Planning_A*

    LPA* is an incremental version of A*, which can adapt to changes in the graph without recalculating the entire graph, by updating the g-values (distance from start) from the previous search during the current search to correct them when necessary. Like A*, LPA* uses a heuristic, which is a lower boundary for the cost of the path from a given ...

  3. Cross-interleaved Reed–Solomon coding - Wikipedia

    en.wikipedia.org/wiki/Cross-interleaved_Reed...

    In case the burst correction capability is exceeded, interpolation may provide concealment by approximation Simple decoder strategy possible with reasonably-sized external random access memory Very high efficiency

  4. Error detection and correction - Wikipedia

    en.wikipedia.org/wiki/Error_detection_and_correction

    Error-correcting codes are used in lower-layer communication such as cellular network, high-speed fiber-optic communication and Wi-Fi, [11] [12] as well as for reliable storage in media such as flash memory, hard disk and RAM. [13] Error-correcting codes are usually distinguished between convolutional codes and block codes:

  5. Error correction code - Wikipedia

    en.wikipedia.org/wiki/Error_correction_code

    Low-density parity-check (LDPC) codes are a class of highly efficient linear block codes made from many single parity check (SPC) codes. They can provide performance very close to the channel capacity (the theoretical maximum) using an iterated soft-decision decoding approach, at linear time complexity in terms of their block length.

  6. Hamming code - Wikipedia

    en.wikipedia.org/wiki/Hamming_code

    The main idea is to choose the error-correcting bits such that the index-XOR (the XOR of all the bit positions containing a 1) is 0. We use positions 1, 10, 100, etc. (in binary) as the error-correcting bits, which guarantees it is possible to set the error-correcting bits so that the index-XOR of the whole message is 0.

  7. List of proofreader's marks - Wikipedia

    en.wikipedia.org/wiki/List_of_proofreader's_marks

    BSI proof-correction marks (conforming to BS 5261C:2005) as prepared by the Chartered Institute of Editing and Proofreading; The style guide for publications of the European Union is presented in 24 European languages and includes a section on proofreading. Each edition has a sheet of proofreader's marks that appears to be the same apart from ...

  8. Erasure code - Wikipedia

    en.wikipedia.org/wiki/Erasure_code

    Erasure coding was invented by Irving Reed and Gustave Solomon in 1960. [1]There are many different erasure coding schemes. The most popular erasure codes are Reed-Solomon coding, Low-density parity-check code (LDPC codes), and Turbo codes.

  9. Logic Programming Associates - Wikipedia

    en.wikipedia.org/wiki/Logic_Programming_Associates

    Logic Programming Associates (LPA) is a company specializing in logic programming and artificial intelligence software. LPA was founded in 1980 [ 1 ] and is widely known for its range of Prolog compilers, the Flex expert system toolkit and most recently, VisiRule .