DirectedGraphQ[g] yields True if the graph g is a directed graph and False otherwise.
VertexCoordinateRules is an option for GraphPlot and related functions which specifies rules for determining the coordinates at which vertices should be placed.
DirectedGraph[g] gives a directed graph from the undirected graph g.DirectedGraph[g, conv] gives a directed graph using the conversion conv.
LineGraph[g] gives the line graph of the graph g.
FindGraphIsomorphism[g_1, g_2] finds an isomorphism that maps the graph g_1 to g_2 by renaming vertices.
EdgeWeight is an option and property for Graph and related functions that specifies an edge weight.
PropertyList[{obj, item}] lists the properties available for item in obj.
SimpleGraphQ[g] yields True if the graph g is a simple graph and False otherwise.
LineIntegralConvolutionPlot[{{v_x, v_y}, image}, {x, x_min, x_max}, {y, y_min, y_max}] generates a line integral convolution plot of image convolved with the vector field ...
BernoulliGraphDistribution[n, p] represents a Bernoulli graph distribution for n-vertex graphs with edge probability p.