کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
470240 698422 2008 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Diagnostic reasoning and medical decision-making with fuzzy influence diagrams
موضوعات مرتبط
مهندسی و علوم پایه مهندسی کامپیوتر علوم کامپیوتر (عمومی)
پیش نمایش صفحه اول مقاله
Diagnostic reasoning and medical decision-making with fuzzy influence diagrams
چکیده انگلیسی

Influence diagrams have been widely used as knowledge bases in medical informatics and many applied domains. In conventional influence diagrams, the numerical models of uncertainty are probability distributions associated with chance nodes and value tables for value nodes. However, when incomplete knowledge or linguistic vagueness is involved in the reasoning systems, the suitability of probability distributions is questioned. This study intends to propose an alternative numerical model for influence diagrams, possibility distributions, which extend influence diagrams into fuzzy influence diagrams. In fuzzy influence diagrams, each chance node and value node is associated with a possibility distribution which expresses the uncertain features of the node. This study also develops a simulation algorithm and a fuzzy programming model for diagnosis and optimal decision in medical settings.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Computer Methods and Programs in Biomedicine - Volume 90, Issue 1, April 2008, Pages 9–16
نویسندگان
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