(This is all within the context of Monte Carlo.)

Is anyone storing a search DAG (as opposed to a tree) and using the firstChild/nextSibling representation? I'm having trouble seeing how this would work, since when you traverse children (e.g., in UCT) you have to know which move is associated with which child node. If a node might have more than one parent, the node can't store its last move.

Any clever solutions?

If not, any opinions (or better yet, evidence) as to whether the space savings or the DAG transposition table is more valuable?

Peter Drake
Assistant Professor of Computer Science
Lewis & Clark College
http://www.lclark.edu/~drake/



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