- Industri: 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 forest of ordered trees used to contain ordered lists. The root of each tree is unique. An ordered list is represented by a traversal from the root (first element of the list) to a leaf (last list element). Lists with common prefixes share nodes. The last node in common has one child for each list. This allows rapid searches for subset inclusion of sequences.
Industry:Computer science
A formal, abstract definition of a computer. Using a model one can more easily analyze the intrinsic execution time or memory space of an algorithm while ignoring many implementation issues. There are many models of computation which differ in computing power (that is, some models can perform computations impossible for other models) and the cost of various operations.
Industry:Computer science
A four-part algorithm to select the k<sup>th</sup> smallest element of an array. Part 1) Consider the array as groups of 5 elements; sort and find the median of each group. 2) Use Select recursively to find x, the median of the medians. 3) Next partition the array around x. 4) Let i be the number of elements in the low side of the partition. If k ≤ i, use Select recursively to find the k<sup>th</sup> element of the low side. Otherwise Select the k-i<sup>th</sup> element of the high side.
Industry:Computer science
A full binary tree that represents a coding, such as produced by Huffman coding. Each leaf is an encoded symbol. The path from the root to a leaf is its codeword.
Industry:Computer science
A fully persistent data structure that allows meld or merge operations to combine two different versions.
Industry:Computer science
A function associated with an optimization problem which determines how good a solution is, for instance, the total cost of edges in a solution to a traveling salesman problem.
Industry:Computer science
A function computed by a Turing machine that need not halt for all inputs.
Industry:Computer science
A function from a partially ordered domain to a partially ordered range such that x < y implies f(x) < f(y).
Industry:Computer science
A function from a partially ordered domain to a partially ordered range such that x < y implies f(x) > f(y).
Industry:Computer science
A function from a partially ordered domain to a partially ordered range such that x ≤ y implies f(x) ≤ f(y).
Industry:Computer science
