The maintenance of case-based reasoning systems is remarkably important for the continuous working ability of case-based reasoning applications. To ensure the utility of these applications case properties like correctness, consistency, incoherence, minimality, and uniqueness are applied to measure the quality of the underlying case base. Based on the case properties, the conflict graph presents a novel visualization of conflicts between cases and provides a technique on how to eliminate these conflicts and therefore maintain the quality of a case base. An evaluation on ten real world case bases shows the applicability of the introduced technique.
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