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Showing 1-20 of 7,187 results
  1. Novel Correlation Measure for Generalized Orthopair Fuzzy Sets and Its Decision-Making Applications

    A generalized orthopair fuzzy set (GOFS), also known as a q -rung orthopair fuzzy set ( q -ROFS), is a higher variant of ordinary fuzzy sets by relaxing...

    Paul Augustine Ejegwa, Arun Sarkar in Operations Research Forum
    Article 31 March 2023
  2. MCDM Method for Evaluating and Ranking the Online Shop** Websites Based on a Novel Distance Measure Under Intuitionistic Fuzzy Environment

    This paper explores the concept of online shop** malls in terms of information technology as a multi-criteria decision-making (MCDM) challenge...

    Vanita Rani, Satish Kumar in Operations Research Forum
    Article 11 October 2023
  3. Prioritization of healthcare systems during pandemics using Cronbach’s measure based fuzzy WASPAS approach

    Pandemics are well-known as epidemics that spread globally and cause many illnesses and mortality. Because of globalization, the accelerated...

    Muhammet Deveci, Raghunathan Krishankumar, ... Rumeysa Tuna Deveci in Annals of Operations Research
    Article Open access 03 May 2022
  4. Fuzzy reliability framework under hesitant and dual hesitant fuzzy sets to air conditioning system

    The utmost need of any system is that it should be reliable, thus, making reliability one of the most crucial aspects of engineering. There are...

    Aayushi Chachra, Mangey Ram, Akshay Kumar in OPSEARCH
    Article 21 December 2023
  5. A fuzzy multi-objective optimization model for sustainable location planning using volumetric fuzzy sets

    The volumetric fuzzy sets (VFSs) are used to manage the uncertainties in two-dimensional variables. This study applies VFSs to find the optimal...

    Madjid Tavana, Hosein Arman, ... Sadegh Mansoori in Annals of Operations Research
    Article 13 July 2023
  6. Using new fuzzy regression aptness and healthcare equity indices in cancer hospitals network design: a fuzzy multi-objective mathematical model

    Cancer hospitals could provide all required services for cancer patients and decrease the time-wasting of cancer-curing procedures and patients...

    Mina Haghshenas, Arash Nemati, Ebrahim Asadi-Gangraj in OPSEARCH
    Article 08 February 2024
  7. Tail dependence-based fuzzy clustering of financial time series

    In this paper, we propose a new fuzzy clustering of time series with entropy regularization. Following a model-based approach, the dissimilarity...

    Pierpaolo D’Urso, Giovanni De Luca, ... Paola Zuccolotto in Annals of Operations Research
    Article 20 December 2023
  8. Fuzzy clustering of financial time series based on volatility spillovers

    In this paper we propose a framework for fuzzy clustering of time series based on directional volatility spillovers. In the case of financial time...

    Roy Cerqueti, Pierpaolo D’Urso, ... Vincenzina Vitale in Annals of Operations Research
    Article Open access 23 August 2023
  9. On two dominances of fuzzy variables based on a parametrized fuzzy measure and application to portfolio selection with fuzzy return

    Yang and Iwamura (Appl Math Sci 46:2271–2288, 2008) introduced a new fuzzy measure as a convex linear combination of possibility and necessity...

    Justin Dzuche, Christian Deffo Tassak, ... Louis Aimé Fono in Annals of Operations Research
    Article 17 November 2020
  10. Solving zero-sum two-person game with triangular fuzzy number payoffs using new fully fuzzy linear programming models

    Many situations involve uncertainty, which we can handle with the help of triangular fuzzy numbers (TFNs). Many scenarios arise in which players in a...

    Gaurav Sharma, Sapan Kumar Das, Ganesh Kumar in OPSEARCH
    Article 15 April 2023
  11. Estimating and predicting the human development index with uncertain data: a common weight fuzzy benefit-of-the-doubt machine learning approach

    One of the most important composite indicators (CIs) to assess the development of countries or regions is the human development index (HDI) which is...

    Hashem Omrani, Zijiang Yang, Raha Imanirad in Annals of Operations Research
    Article 22 June 2024
  12. Fuzzy clustering with entropy regularization for interval-valued data with an application to scientific journal citations

    In recent years, the research of statistical methods to analyze complex structures of data has increased. In particular, a lot of attention has been...

    Pierpaolo D’Urso, Livia De Giovanni, ... Vincenzina Vitale in Annals of Operations Research
    Article Open access 02 March 2023
  13. Intuitionistic fuzzy pattern recognition model in assessment of the social empowerment index for Azerbaijan

    In this work, an intuitionistic fuzzy pattern recognition model is developed to evaluate the social empowerment index (SEI) for Azerbaijan. The...

    G. Imanov, A. Aliyev in Discover Analytics
    Article Open access 04 July 2024
  14. Multicriteria decision-making method under the complex Pythagorean fuzzy environment

    The concept of complex fuzzy set (CFS) and complex intuitionistic fuzzy set (CIFS) is two recent developments in the field of fuzzy set theory. The...

    Madad Khan, Inam Ul Haq, ... Muhammad Bilal in DECISION
    Article 01 December 2022
  15. Assessing Potential of Organizations with Fuzzy Entropy

    Assessing the performance of organizations in the near future has been a challenging problem because of the factors of subjective assessment of the...

    Manish Aggarwal, R. Krishankumar, ... R. R. Yager in Operations Research Forum
    Article 17 February 2023
  16. Multi-objective Service Composition Optimization in Smart Agriculture Using Fuzzy-Evolutionary Algorithm

    Agricultural applications can take advantage of improved services provided by the Internet of Things paradigms to manage data effectively. It is...

    Shalini Sharma, Bhupendra Kumar Pathak, Rajiv Kumar in Operations Research Forum
    Article 09 May 2024
  17. Develo** an integrated fuzzy credit rating system for SMEs using fuzzy-BWM and fuzzy-TOPSIS-Sort-C

    Financial institutions employ credit rating systems to classify new borrowers, set loan terms, and determine collateral requirements. Small and...

    Pranith Kumar Roy, Krishnendu Shaw, Alessio Ishizaka in Annals of Operations Research
    Article 30 April 2022
  18. Measurement of the efficiency of a Multi–Input–Multi–Output (MIMO) production process using transfer function and fuzzy logic

    Transfer function and fuzzy logic were used to measure the efficiency of a Multi–Input–Multi–Output production process. The process studied was used...

    Francis Ikechukwu Obidike, Chidozie Chukwuemeka Nwobi-Okoye in OPSEARCH
    Article 15 April 2023
  19. Robust DTW-based entropy fuzzy clustering of time series

    Time series are complex data objects whose partitioning into homogeneous groups is still a challenging task, especially in the presence of outliers...

    Pierpaolo D’Urso, Livia De Giovanni, Vincenzina Vitale in Annals of Operations Research
    Article Open access 02 December 2023
  20. Profit maximization fuzzy 4D-TP with budget constraint for breakable substitute items: a swarm based optimization approach

    The concept of breakable substitute items and budget constraints is to be used in decision-making problems. For demonstration, a fixed charge...

    Pravash Kumar Giri, Manas Kumar Maiti, Manoranjan Maiti in OPSEARCH
    Article 23 February 2023
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