- 産業: Technology
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The National Institute of Standards and Technology (NIST) — known between 1901 and 1988 as the National Bureau of Standards (NBS) — is a measurement standards laboratory and a non-regulatory agency of the United States Department of Commerce. The institute's official mission is to promote U.S. ...
A k-way merge sort that sorts a data stream using repeated merges. It distributes the input into two streams by repeatedly reading a block of input that fits in memory, a run, sorting it, then writing it to the next stream. It merges runs from the two streams into an output stream. It then repeatedly distributes the runs in the output stream to the two streams and merges them until there is a single sorted output.
Industry:Computer science
A k-way merge sort which uses three input and three output streams.
Industry:Computer science
A language for which membership can be decided by an algorithm that halts on all inputs in a finite number of steps --- equivalently, can be recognized by a Turing machine that halts for all inputs.
Industry:Computer science
A language for which membership can be decided by an algorithm that halts on all inputs in a finite number of steps --- equivalently, can be recognized by a Turing machine that halts for all inputs.
Industry:Computer science
A language for which membership can be decided by an algorithm that halts on all inputs in a finite number of steps --- equivalently, can be recognized by a Turing machine that halts for all inputs.
Industry:Computer science
A language for which the membership cannot be decided by an algorithm --- equivalently, cannot be recognized by a Turing machine that halts for all inputs.
Industry:Computer science
A language in NP such that every language in NP can be reduced to it in polynomial time.
Industry:Computer science
A language L is NC many-one reducible or NC reducible to L', written L ≤<sub>m</sub><sup>NC</sup> L' if there is a function f in FNC such that x ∈ L if and only if f(x) ∈ L'.
Industry:Computer science
A language L is P-hard under NC many-one reducibility if L' ≤<sub>m</sub><sup>NC</sup> for every L' ∈ P. A language L is P-complete under NC reducibility if L ∈ P and L is P-hard.
Industry:Computer science
