Soochan Hwang

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The accuracy of dietary assessments has emerged as a major concern in nutritional epidemiology and new dietary assessment tools using computer technology to increase accuracy have been developed in many countries. The purpose of this study was to develop a web-based computer-assisted personal interview system (CAPIS) for conducting dietary assessment and to(More)
In the new applications such as OIS, CAD/CAM, and AI, it is required to support not only fixed Is-A and Part-Of relationships but also various dynamic relationships including complicate constraints. However, existing object-oriented systems have many weakness in representing and manipulating those complex relationships. This paper presents an(More)
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