- Industria: Technology
- Number of terms: 2742
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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 nonbalanced k-way merge which reduces the number of output files needed by reusing the emptied input file or device as one of the output devices. This is most efficient if the number of output runs in each output file is different.
Industry:Computer science
A nondeterministic finite state machine that accepts finitary trees rather than just strings. The tree nodes are marked with the letters of the alphabet of the automaton, and the transition function encodes the next states for each branch of the tree. The acceptance condition is modified accordingly.
Industry:Computer science
A nondeterministic finite state machine that accepts infinite trees rather than just strings. The tree nodes are marked with the letters of the alphabet of the automaton, and the transition function encodes the next states for each branch of the tree. The expressive power of such automata varies depending on the acceptance conditions of the trees.
Industry:Computer science
A nondeterministic finite state machine whose states are labeled with boolean variables, which are the evaluations of expressions in that state. It may be extended with fairness constraints.
Industry:Computer science
A nondeterministic Turing machine having universal states, from which the machine accepts only if all possible moves out of that state lead to acceptance.
Industry:Computer science
A numbering of the vertices of a directed acyclic graph such that every edge from a vertex numbered i to a vertex numbered j satisfies i<j.
Industry:Computer science
A numeric function that maintains the order of input keys while changing their spacing. Formal Definition: A hash function f for keys in S such that k1, k2 ∈ S ∧ k1 > k2 → f(k1) > f(k2).
Industry:Computer science
A parallel algorithm which asymptotically requires at most a constant factor more work than the best known sequential algorithm or the optimal work.
Industry:Computer science
A parallel memory model in which multiple processors can read simultaneously from a single memory location, and multiple processors can write simultaneously to a single memory location.
Industry:Computer science
