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palish
on April 11, 2011
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Visualizing Directed Edges in Graphs: Don't Use Ar...
It's an arrowhead. It goes in the direction it points.
For example, (A -> B) is drawn:
A @===---- B
bOR_
on April 11, 2011
[–]
They test a few different schemes, but it is sort of embarrassing that in their final summary graph (figure 9), they use the arrowheads again to indicate which representation performs best.
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For example, (A -> B) is drawn: