Title:	DEFINING CASE BASED REASONING CASES WITH XML
Author(s):	E. Asemota , S. Gallagher , G. Mcrobbie , S. Cochran
ISBN:	978-972-8924-30-0
Editors:	Nuno Guimarães and Pedro Isaías
Year:	2007
Edition:	Single
Keywords:	CBR, XML, Ultrasonic NDT, ill-define domain
Type:	Short Paper
First Page:	449
Last Page:	453
Language:	English
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Paper Abstract:	The interpretation of ultrasonic non-destructive destructive testing (UNDT) data is, largely, a human-centric activity which requires a significant level of expertise. As such, it is difficult to clearly define the rules used for interpreting this data. Many computational techniques have been both proposed and deployed to assist in the interpretation of this data: from procedural language developments through to advanced Artificial Intelligence-based solutions involving Expert Systems and Artificial Neural Networks. However, literature indicates that due to the ill-defined nature of the interpretation of UNDT data, solutions developed using the aforementioned techniques are often considered as being less than complete and robust solutions. Literature has, however, indicated that Case Based Reasoning (CBR) is a suitable technique for use in the interpretation of UNDT data. This paper supports the notion of using CBR in this domain with one caveat. That is, that within any such CBR solution for this domain, the use of rigid case definition is inappropriate. Rigid case definitions make it more likely that some degree of redevelopment of the CBR system will be required when a case definition changes. As it is expected that case definition will change in an ill-defined domain such as the interpretation of UNDT data, an alternative approach that manages such changes in case definition, is required. Such an approach would be able to handle the CBR case changes without necessitating any degree of system redevelopment, i.e. is one which is both flexible and configurable at runtime. This paper outlines the development of a run-time configurable case definition technique which enables a flexible case definition. The paper presents the pragmatic implementation of an XML-based, run-time configurable case definition solution. The body of work presented herein forms part of an overall program of research for the automatic interpretation of UNDT data.
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