Assertion: graph's edge | /r/HasProperty | drawn as arrow
Facets:
value: usually
type: TEMPORAL
value: typically
type: DEGREE
Source sentences:
text: Intuitively, an undirected edge models a "two-way" or "duplex" connection between its endpoints, while a directed edge is a one-way connection, and is typically drawn as an arrow.
text: Directed edges are usually drawn as arrows and undirected edges as curves or line segments; see GraphTheory for examples.