- 行业: 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 set of items connected by edges. Each item is called a vertex or node. Formally, a graph is a set of vertices and a binary relation between vertices, adjacency. Formal Definition: A graph G can be defined as a pair (V,E), where V is a set of vertices, and E is a set of edges between the vertices E ⊆ ((u,v)
Industry:Computer science
A set of sets whose union has all members of the union of all sets. The set cover problem is to find a minimum size set. Formal Definition: Given a set S of sets, choose c ⊆ S such that U<sub>i=1</sub> c<sub>i</sub> = U<sub>i=1</sub> S<sub>i</sub>.
Industry:Computer science
A set of strings over some fixed alphabet. A characterization of inputs which may or may not be solved by algorithms.
Industry:Computer science
A set of strings over some fixed alphabet. A characterization of inputs which may or may not be solved by algorithms.
Industry:Computer science
A set of vertices in a graph such that for any pair of vertices, there is no edge between them and such that no more vertices can be added and it still be an independent set.
Industry:Computer science
A set of vertices in a graph such that for any pair of vertices, there is no edge between them.
Industry:Computer science
A set of vertices in an undirected graph in which there is an edge between every pair of vertices. In other words, a subgraph that is complete.
Industry:Computer science
A set of vertices in an undirected graph where every edge connects at least one vertex. The vertex cover problem is to find a minimum size set and is NP-complete.
Industry:Computer science
A set S<sub>1</sub> is a subset of another set S<sub>2</sub> if every element in S<sub>1</sub> is in S<sub>2</sub>. S<sub>2</sub> may have exactly the same elements as S<sub>1</sub>. Formal Definition: S<sub>1</sub> ⊆ S<sub>2</sub> iff ∀ s, s ∈ S<sub>1</sub> → s ∈ S<sub>2</sub>.
Industry:Computer science
A set S<sub>1</sub> is a superset of another set S<sub>2</sub> if every element in S<sub>2</sub> is in S<sub>1</sub>. S<sub>1</sub> may have elements which are not in S<sub>2</sub>.
Industry:Computer science
