Analysis of information sources in references of the Wikipedia article "图 (数学)" in Chinese language version.
A weighted graph is a graph in which a number w(e), called its weight, is assigned to each edge e.
A graph is an object consisting of two sets called its vertex set and its edge set.
A graph is an object consisting of two sets called its vertex set and its edge set.
A graph is an object consisting of two sets called its vertex set and its edge set.
A graph is an object consisting of two sets called its vertex set and its edge set.