http://bndev.sourceforge.net
Customizing LearnerScore [1]
nTo make a new scoring scheme, must inherit LearnerScore
nMust override double getScore(int curNode, int candidate, Set[] parentTable)
ncurNode: index of the node being evaluated
ncandidate: index of candidate parent (-1 if not applicable; i.e., for structure scorer)
nparentTable: set of integers of currently evolving structure.