**Subject: **Problem in Fuzzy Risk Analysis

**From: **Francis Wat (*99902764r@polyu.edu.hk*)

**Date: **Tue Jul 11 2000 - 22:42:49 MET DST

**sorted by:**[ date ] [ thread ] [ subject ] [ author ]**Next message:**Martine De Cock: "Re: fuzzy clustering software???"**Previous message:**Alta de Waal: "Chaos Theory"**Next in thread:**Paul Victor Birke: "Re: Problem in Fuzzy Risk Analysis"**Reply:**Paul Victor Birke: "Re: Problem in Fuzzy Risk Analysis"**Reply:**ca314159: "Re: Problem in Fuzzy Risk Analysis"

Hi All,

I am a MPhil Student and now doing a research about risk analysis

to determine the overall risk of a project. A group of decision maker

need to input linguistic varables about the probability of failure and

severity of loss, then return a overall risk also in terms of lingusitc

variable. However, I want to know the difference between the following

two methodology.

1. Fuzzy expert system approach. i.e. define memebership function,

rule base, inference etc.

2. Based on fuzzy set theory approach. i.e. natural language

representation (define the fuzzy set of the linguistic variable), fuzzy

set evaluation of risk (based on fuzzy weight mean), then linguistic

approximation (using the euclidean method). this approach can be refer

to (Schmucker, K.J. (1984), Fuzzy Sets, Natural Language Computations

and Risk Analysis, Computer Science Press.)

Moreover, any recommandation can give on the calculation of the

group of decision perspective. e.g. can I just take the average of their

given lingustic variable to be a input variable to the system?

Thank a lots!!!

Francis

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**Next message:**Martine De Cock: "Re: fuzzy clustering software???"**Previous message:**Alta de Waal: "Chaos Theory"**Next in thread:**Paul Victor Birke: "Re: Problem in Fuzzy Risk Analysis"**Reply:**Paul Victor Birke: "Re: Problem in Fuzzy Risk Analysis"**Reply:**ca314159: "Re: Problem in Fuzzy Risk Analysis"

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