منابع مشابه
Using Possibility Theory in Expert Systems
This paper has two main objectives. The first objective is to give a characterization of a qualitative description of a possibility function. A qualitative description of a possibility function is called a consistent possibilistic state. The qualitative description and its characterization serve as qualitative semantics for possibility functions. These semantics are useful in representing knowl...
متن کاملElicitation, assessment, and pooling of expert judgments using possibility theory
The problem of modelling expert knowledge about numerical parameters in the field of reliability is reconsidered in the framework of possibility theory. Usually expert opinions about quantities such as failure rates are modelled, assessed and pooled in the setting of probability theory. This approach does not seem to always be natural since probabilistic information looks too rich to be current...
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شبکه خود سازمانده پرکاربردترین شبکه عصبی برای انجام خوشه بندی و کوانتیزه نمودن برداری است. از زمان معرفی این شبکه تاکنون، از این روش در مسائل مختلف در حوزه های گوناگون استفاده و توسعه ها و بهبودهای متعددی برای آن ارائه شده است. شبکه خودسازمانده از تعدادی سلول برای تخمین تابع توزیع الگوهای ورودی در فضای چندبعدی استفاده می کند. احتمال وجود سلول مرده مشکلی اساسی در الگوریتم شبکه خودسازمانده به حسا...
Approximate Reasoning in a Rule-Based Expert System using Possibility Theory: A Case Study
and the management of linguistically expressed uncertainty. Int.
متن کاملUsing Dempster-shafer’s Belief-function Theory in Expert Systems
The main objective of this paper is to describe how Dempster-Shafer’s (DS) theory of belief functions fits in the framework of valuation-based systems (VBS). Since VBS serve as a framework for managing uncertainty in expert systems, this facilitates the use of DS belief-function theory in expert systems.
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ژورنال
عنوان ژورنال: Fuzzy Sets and Systems
سال: 1992
ISSN: 0165-0114
DOI: 10.1016/0165-0114(92)90045-6