[rules-users] Noob question: graph searching, query, root node for a given node

[Wolfgang Laun]

Terms like "root" and "parent" are used with trees. You might call
these nodes "nodes with indegree 0".
-W


On 18/06/2014, Borris <borris at chaos.org.uk> wrote:
> Good question. I'm supporting a graph rather than a tree, so theoretically
> there could be more than one node that has no parents. But in my particular
> use case I am constraining the data so that there is never more than one
> root node.
>
> So how to find the root node (singular) from an arbitrary node in the graph
> is my goal.
>
>
>
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