On Sharp Boundary Problem in Rule Based Expert Systems in the Medical Domain

Authors:
Oladipupo O. Olufunke;Uwadia O. Charles;Ayo K. Charles
Affiliations:
Covenant University, Nigeria;University of Lagos, Nigeria;Covenant University, Nigeria
Venue:
International Journal of Healthcare Information Systems and Informatics
Year:
2010

Citing 7
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Abstract

Recently, the application of the conventional rule based expert system for disease risk determination in medical domains has increased. However, a major limitation to the effectiveness of the rule based expert system approach is the sharp boundary problem that leads to underestimation or overestimation of boundary cases, which ultimately affects the accuracy of their recommendation. In this paper, an expert driven approach is used to investigate the viability of a fuzzy expert system in the determination of risk associated with coronary heart disease with regards to the sharp boundary problem in rule based expert system.