The Utility Function
in Prodigy
The Utility Function
in Prodigy
The utility function is intended to measure the expected usefulness
of a learned rule. This function is invoked by the
EBL learning module after it
generates a control rule. The utility function considers the cost
of matching the rule, the average savings when the rule is applied,
and the fraction of the time that the rule is applicable when it is
tested. If a given rule's utility drops below a threshold at any
time, it is removed.
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