• 제목/요약/키워드: Fuzzy ranking

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퍼지 비교 기반 퍼지 숫자의 등급과 방법 (A Ranking Method for Fuzzy Numbers based on Fuzzy Comparisons)

  • 이지형;이광형
    • 한국정보과학회논문지:소프트웨어및응용
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    • 제28권12호
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    • pp.930-937
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    • 2001
  • 퍼지숫자의 정렬은 퍼지숫자를 크기 순서로 나열을 하는 것이다. 일반적으로 퍼지숫자의 정렬을 위해서는 퍼지숫자 사이의 비교가 필요한데. 피지숫자가 명확하지 않은 값을 표현하기 때문에. 그 비교 결과 역시 명확하지 않을 수 있다 따라서 그 비교결과를 이용한 정렬결과 역시 명확하지 않을 수 있다 그러나 지금가지 대부분의 연구는 퍼지숫자의 정렬 결과를 하나의 배역로만 명확하게 표현하였다. 본 논문 에서는 이러한 점을 고려하여 퍼지만족함수를 이용한 퍼지숫자 정렬방법을 제안한다. 퍼지만족함수는 두 퍼지숫자를 비교하여 그 대소를 0과 1사이의 퍼지집합으로 표현하는 퍼지비교방법이다. 제안하는 방법은 정렬결과로 단순히 하나의 배열만을 생성하지 않고, 퍼지숫자가 겹쳐서 생길 수 있는, 다른 가능한 정렬결 과들을 생성한다.

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FUZZY TRANSPORTATION PROBLEM IS SOLVED UTILIZING SIMPLE ARITHMETIC OPERATIONS, ADVANCED CONCEPT, AND RANKING TECHNIQUES

  • V. SANGEETHA;K. THIRUSANGU;P. ELUMALAI
    • Journal of applied mathematics & informatics
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    • 제41권2호
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    • pp.311-320
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    • 2023
  • In this article, a new penalty and different ranking algorithms are used to find the lowest transportation costs for the fuzzy transportation problem. This approach utilises different ranking techniques when dealing with triangular fuzzy numbers. Also, we find that the fuzzy transportation solution of the proposed method is the same as the Fuzzy Modified Distribution Method (FMODI) solution. Finally, examples are used to show how a problem is solved.

사용자 선호도 기반의 퍼지 랭킹모델에 관한 연구 (A Study on Fuzzy Ranking Model based on User Preference)

  • 김대원
    • 한국지능시스템학회:학술대회논문집
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    • 한국퍼지및지능시스템학회 2006년도 춘계학술대회 학술발표 논문집 제16권 제1호
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    • pp.94-95
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    • 2006
  • A great deal of research has been made to model the vagueness and uncertainty in information retrieval. One such research is fuzzy ranking models, which have been showing their superior performance in handling the uncertainty involved in the retrieval process. In this study we develop a new fuzzy ranking model based on the user preference. Through the experiments on the TREC-2 collection of Wall Street Journal documents, we show that the proposed method outperforms the conventional fuzzy ranking models.

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A Study on Fuzzy Ranking Model based on User Preference

  • Kim Dae-Won
    • 한국지능시스템학회논문지
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    • 제16권3호
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    • pp.326-331
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    • 2006
  • A great deal of research has been made to model the vagueness and uncertainty in information retrieval. One such research is fuzzy ranking models, which have been showing their superior performance in handling the uncertainty involved in the retrieval process. In this study we develop a new fuzzy ranking model based on the user preference. Through the experiments on the TREC-2 collection of Wall Street Journal documents, we show that the proposed method outperforms the conventional fuzzy ranking models.

AGGREGATION OPERATORS OF CUBIC PICTURE FUZZY QUANTITIES AND THEIR APPLICATION IN DECISION SUPPORT SYSTEMS

  • Ashraf, Shahzaib;Abdullah, Saleem;Mahmood, Tahir
    • Korean Journal of Mathematics
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    • 제28권2호
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    • pp.343-359
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    • 2020
  • The paper aim is to resolve the issue of ranking to the fuzzy numbers in decision analysis, artificial intelligence and optimization. In the literature lot of ideologies have been established for ranking to the fuzzy numbers, that ideologies have some restrictions and limitations. In this paper, we proposed a method based on cubic picture fuzzy information's, for ranking to defeat the existing restrictions. Further introduced some cubic picture fuzzy algebraic and cubic picture fuzzy algebraic* aggregated operators for aggregated the information. Finally, a multi-attribute decision making problem is assumed as a practical application to establish the appropriateness and suitability of the proposed ranking approach.

RANKING EXPONENTIAL TRAPEZOIDAL FUZZY NUMBERS WITH CARDINALITY

  • Rezvani, Salim
    • 대한수학회논문집
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    • 제29권1호
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    • pp.187-193
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    • 2014
  • In this paper, we want to represent a method for ranking of two exponential trapezoidal fuzzy numbers. In this study a new Cardinality between exponential trapezoidal fuzzy numbers is proposed. Cardinality in this method is relatively simple and easier in computation and ranks various types of exponential fuzzy numbers. For the validation the results of the proposed approach are compared with different existing approaches.

타입-2 퍼지값의 순위결정 (A Ranking Method for Type-2 Fuzzy Values)

  • Lee, Seungsoo;Lee, Kwang H.
    • 한국지능시스템학회:학술대회논문집
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    • 한국퍼지및지능시스템학회 2002년도 춘계학술대회 및 임시총회
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    • pp.145-148
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    • 2002
  • Type-1 fuzzy value is used to show the uncertainty in a given value. But there exist many situations that it needs to be extended to type-2 fuzzy value because it is difficult to determine the crisp membership function itself. Intrinsically type-2 fuzzy values are more expressive and powerful than type-1 fuzzy values, but, at the same time, more difficult to be compared or ranked . In this paper, a ranking method for type-2 fuzzy values is proposed. It is based on the satisfaction function which shows the possibility that one type-2 fuzzy value is greater than the other type-2 fuzzy value Some properties of the proposed method are also analyzed .

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A NEW APPROACH FOR RANKING FUZZY NUMBERS BASED ON $\alpha$-CUTS

  • Basirzadeh, Hadi;Abbasi, Roohollah
    • Journal of applied mathematics & informatics
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    • 제26권3_4호
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    • pp.767-778
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    • 2008
  • Comparison between two or more fuzzy numbers, along with their ranking, is an important subject discussed in scholarly articles. We endeavor in this paper to present a simple yet effective parametric method for comparing fuzzy numbers. This method offer significant advantages over similar methods, in comparing intersected fuzzy numbers, rendering the comparison between fuzzy numbers possible in different decision levels. In the process, each fuzzy number will be given a parametric value in terms of $\alpha$, which is dependent on the related $\alpha$-cuts. We have compared this method to Cheng's centroid point method [5] (The relation of calculating centroid point of a fuzzy number was corrected later on by Wang [12]). The proposed method can be utilized for all types of fuzzy numbers whether normal, abnormal or negative.

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Non-Additive Ranking of Release Scenarios in a Low and Intermediate Waste Repository

  • Kim, Seong-Ho;Kim, Tae-Woon;Jaejoo Ha
    • 한국방사성폐기물학회:학술대회논문집
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    • 한국방사성폐기물학회 2004년도 학술논문집
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    • pp.188-188
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    • 2004
  • In the present study, a multicriteria decision-making (MCDM) problem of ranking of important radionuclide release scenarios in a low and intermediate radioactive waste repository is to treat on the basis of non-additive fuzzy measures and fuzzy integral theory. Ranking of important scenarios can lead to the provision of more effective safety measure in a design stage of the repository. The ranking is determined by a relative degree of appropriateness of scenario alternatives.(omitted)

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