- Settore: 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 algorithm whose execution time, f(n), grows slower than the size of the problem, n, but only gives an approximate or probably correct answer.
Industry:Computer science
A balanced and nested grid (BANG) file is a point access method which divides space into a nonperiodic grid. Each spatial dimension is divided by a linear hash. Cells may intersect, and points may be distributed between them.
Industry:Computer science
A balanced binary search tree where the height of the two subtrees (children) of a node differs by at most one. Look-up, insertion, and deletion are O(log n), where n is the number of nodes in the tree.
Industry:Computer science
A balanced 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 then repeatedly merges the two streams and puts each merged run into one of two output streams until there is a single sorted output.
Industry:Computer science
A balanced search tree in which every node has between ⌈ m/2⌉ and m children, where m>1 is a fixed integer. m is the order. The root may have as few as 2 children. This is a good structure if much of the tree is in slow memory (disk), since the height, and hence the number of accesses, can be kept small, say one or two, by picking a large m.
Industry:Computer science
A balanced search tree in which every node has between ⌈ m/2⌉ and m children, where m>1 is a fixed integer. m is the order. The root may have as few as 2 children. This is a good structure if much of the tree is in slow memory (disk), since the height, and hence the number of accesses, can be kept small, say one or two, by picking a large m.
Industry:Computer science
A binary lattice data structure that succinctly represents a truth table by collapsing redundant nodes and eliminating unnecessary nodes.
Industry:Computer science
A binary relation R for which a R b and b R a implies a = b.
Industry:Computer science
