## Graph

Of Graph Theory.

A mathematical structure composed of a set of objects and a set of relationships connecting those objects. The objects are referred to as vertices or nodes; the relationships arcs or edges.

This concept's ID is **@3782~19**

### Contains

- data graph
A graph composed of a set of data and a set of relationships connecting those data.

- simple directed graph
A graph with no more than one arc (edge) between any pair of vertices (nodes).

- arc
A relationship between vertices in a graph.

- node
One of a set of objects in a graph .

- hypergraph
A graph in which an edge can join any number of vertices.