Methods for identifying a case with a missing decision from a set of decision rules in violation of a decision requirement are provided. The set of decision rules and decision requirement are received, and a set of decisions made by the decision rules is obtained. A decision detection constraint graph is built, which represents, for each case used by the set of decision rules, whether each decision in the set of decisions is made or not by a decision rule in the set of decision rules. A decision requirement constraint graph is built from the decision requirement, which represents, for each case used by the set of decision rules, the decisions required. For each case used by the set of decision rules, the decision requirement constraint graph and the decision detection constraint graph for the case are used to identify if the case is a case with a missing decision.
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