About

An edge model a relationship between two node in a graph. Every edge model therefore a binary relationship (relationship between two elements) .

An Edge is also known as:

• Links
• Arcs
• Lines
• Arrows (only for directed graph)

A edge in a property graph always has:

• a direction, (that can be navigated regardless of direction)
• a type,
• two nodes (a start node and an end node if directed).
• quantitative properties (such as weights, costs, distances, ratings, time intervals, or strengths)

An existing edge will never point to a non-existing node.

A sequence of edges between two nodes is called a path

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Representation

Edge can be represented in term of linear algebra vectors