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What is Why-Not Explanations

Chapter 13
Handbook of Research on Emerging Rule-Based Languages and Technologies: Open Solutions and Approaches
Special explanations that can also explain why a particular result was not returned. Why-Not Explanations exist in two variants, in one they rely on the user to ask consecutive questions to find the root cause, in the second the system automatically identifies the root cause and presents an explanation for that.
Published in Chapter:
The Debugging of Rule Bases
Valentin Zacharias (Forschungszentrum Informatik FZI, Germany)
Copyright: © 2009 |Pages: 24
DOI: 10.4018/978-1-60566-402-6.ch013
Abstract
This chapter presents an overview of the issues affecting and the tools used for the debugging of rule bases. It describes the challenges in debugging rules, presents a classification of the debugging methods developed in academia and the tools currently used in practice. This chapter explains the main debugging paradigms for rule based systems: Procedural Debugging, Explanations, Why-Not Explanations, Algorithmic Debugging, Explorative Debugging, Automatic Theory Revision and Automatic Knowledge Refinement.
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