Trinity College Dublin, Department of Computer Science
Cunningham, Pádraig; Doyle, Dónal; Loughrey, John. 'An Evaluation of the Usefulness of Case-Based Explanation'. - Dublin, Trinity College Dublin, Department of Computer Science, TCD-CS-2003-04, 2003, pp9
Computer Science Technical Report TCD-CS-2003-04
One of the perceived benefits of Case-Based Reasoning (CBR) is
the potential to use retrieved cases to explain predictions. Surprisingly, this
aspect of CBR has not been much researched. There has been some early work
on knowledge-intensive approaches to CBR where the cases contain
explanation patterns (e.g. SWALE). However, a more knowledge-light
approach where the case similarity is the basis for explanation has received
little attention. To explore this, we have developed a CBR system for
predicting blood-alcohol level. We compare explanations of predictions
produced with this system with alternative rule-based explanations. The casebased
explanations fare very well in this evaluation and score significantly
better than the rule-based alternative.
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