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JGraphs: A Toolset to Work with Monte-Carlo Tree Search-Based Algorithms Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-12-28 Vicente García-Díaz; Edward Rolando Núñez-Valdez; Cristian González García; Alberto Gómez-Gómez; Rubén González Crespo
Monte-Carlo methods are the basis for solving many computational problems using repeated random sampling in scenarios that may have a deterministic but very complex solution from a computational point of view. In recent years, researchers are using the same idea to solve many problems through the so-called Monte-Carlo Tree Search family of algorithms, which provide the possibility of storing and reusing
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A New Mail System for Secure Data Transmission in Cyber Physical Systems Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-12-28 Diego Piedrahita Castillo; Francisco Machío Regidor; Javier Bermejo Higuera; Juan Ramón Bermejo Higuera; Juan Antonio Sicilia Montalvo
This paper provides a complete study on email requirements, with special emphasis on its security aspects and architecture. It explores how current protocols have evolved, the environment in which they have been developed and the evolution of security requirements. This paper also analyzes email vulnerabilities and the reasons that have motivated the exploitation of them. The threats and solutions
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Voltage Regulation using Probabilistic and Fuzzy Controlled Dynamic Voltage Restorer for Oil and Gas Industry Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-12-28 Monika Gupta; Smriti Srivastava; Gopal Chaudhary; Manju Khari; Javier Parra Fuente
In a power distribution system, faults occurring can cause voltage sag that can affect critical loads connected in the power network which can cause serious effects in the oil and gas industry. The objective of this paper is to design and implement an efficient and economical dynamic voltage restorer (DVR) to compensate for voltage sag conditions in the oil and gas industry. Due to the complexity and
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A Review on Intrusion Detection Systems and Techniques Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-12-28 Nitesh Singh Bhati; Manju Khari; Vicente García-Díaz; Elena Verdú
An Intrusion Detection System (IDS) is a network security system that detects, identifies, and tracks an intruder or an invader in a network. As the usage of the internet is growing every day in our society, the IDS is becoming an essential part of the network security system. Therefore, the proper research and implementation of IDSs are required. Today, with the help of improved technologies at our
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Adaptive Decentralized Tracking Control for Nonlinear Large-Scale Systems Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-12-28 Karthik Chandran; Weidong Zhang; Rajalakshmi Murugesan; S. Prasanna; A. Baseera; Sanjeevi Pandiyan
Decentralized Model Reference Adaptive Control problems are investigated for a class of linear time-invariant two time-scale model, having fast and slow dynamics and unmatched interconnections. Design of full state feedback controller is a critical task to the system having interrelated dynamics and nonlinear interconnections of time varying lags, however, can be addressed by singular perturbation
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The Optimization of the Dynamic Mechanism of Jilin’s Economic Revitalization from the Perspective of Viterbi Algorithm’s Supply-Side Structural Reform Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-12-28 Yuzi Jin
Under the background of the rapid development of the Internet, the development information and social status that affect economic regeneration exist in the form of literal data in massive data information. The use of Viterbi algorithm can establish a digital model of information extraction, so as to quickly and accurately find the important content information in the Internet that influences the development
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Pattern Mining Approaches Used in Social Media Data Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-12-28 Jyotismita Chaki; Nilanjan Dey; B. K. Panigrahi; Fuqian Shi; Simon James Fong; R. Simon Sherratt
Social media conveys a reachable platform for users to share information. The inescapable practice of social media has produced remarkable volumes of social data. Social media gathers the data in both structured-unstructured and formal-informal ways as users are not concerned with the exact grammatical structure and spelling when interacting with each other by means of various social networking websites
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Research on the Evaluation of the Dissemination Ability of Sci-Tech Periodicals Based on Hesitant Fuzzy Linguistic Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-12-28 Bing Liu; Zhijun Lv; Nan Zhu; Dongyu Chang
Although there is much discussion on the evaluation of the dissemination ability of sci-tech periodicals, there is no perfect evaluation method system in the existing studies, and especially the evaluation model is not operable. This paper converts the qualitative evaluation of the dissemination ability into a multi-criteria decision-making problem, and proposes a research method of sci-tech periodicals
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Novel Fuzzy Multi-Attribute Decision Making Method for the Selection of Open Unit Trusts Under Uncertainty Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-11-25 Adam Borovička
Investment decision making is a complex process. Important decision concerns the (pre)selection of potential investment instruments to compose an investment portfolio. Conscientious selection involves the application of quantitative multi-criteria procedures. The typical element of uncertainty (i.e. unstable return or investor’s vague preferences about the criteria importance) must be considered. This
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Multi-Criteria Decision Making Analysis Based on Target-Oriented OWA Operator Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-11-25 Meimei Xia
The target-oriented multi-criteria decision making is investigated based on the ordered weighted averaging (OWA) operator. The criteria evaluations are measured by using the likelihood of satisfying the targets of criteria. To aggregate the target-oriented criteria evaluations, the target-oriented OWA operator is firstly introduced, in which the target-oriented criteria evaluations are reordered and
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Uncertain Autoregressive Model via LASSO Procedure Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-11-25 Ziqian Zhang; Xiangfeng Yang; Jinwu Gao
Uncertain time series analysis is a method to predict future values based on imprecisely observed values. As a basic model of uncertain time series, an uncertain autoregressive model has been presented. However, the existing paper ignores the temporal dependence information embedded in time-series data. In dealing with this issue, this paper adds a least absolute shrinkage and selection operator penalty
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Mining Fuzzy Common Sequential Rules with Fuzzy Time-Interval in Quantitative Sequence Databases Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-11-25 Do Van Thanh; Truong Duc Phuong
There are two kinds of sequential rules. They are classical sequential rules and common sequential rules. The common sequential rules present the relationship between unordered itemsets in which all the items in the antecedent part have to appear before the ones in the consequent part. All existing algorithms for mining common sequential rules can not apply to quantitative sequence databases. Furthermore
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A Content-Based Approach to Profile Expansion Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-11-25 Diego Fernández; Vreixo Formoso; Fidel Cacheda; Victor Carneiro
Collaborative Filtering algorithms suffer from the so-called cold-start problem. In particular, when a user has rated few items, recommendations offered by these algorithms are not too accurate. Profile Expansion techniques have been described as a way to tackle this problem without bothering the user with additional information requests by increasing automatically the size of the user profile. Up
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On the Core, Bargaining Set and the Set of Competitive Allocations of Fuzzy Exchange Economy with a Continuum of Agents Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-11-25 Xia Zhang; Hao Sun; Moses Olabhele Esangbedo
In this paper, we present a new model closer to the real-life — called the fuzzy exchange economy with a continuum of agents (FXE-CA) — that combines fuzzy consumption and fuzzy initial endowment with the agent’s fuzzy preference in the fuzzy consumption set. To characterize the fuzzy competitive allocations of the FXE-CA, we define the indifference fuzzy core of a FXE-CA as the set of all fuzzy allocations
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FML-Based Reinforcement Learning Agent with Fuzzy Ontology for Human-Robot Cooperative Edutainment Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-11-25 Chang-Shing Lee; Mei-Hui Wang; Yi-Lin Tsai; Wei-Shan Chang; Marek Reformat; Giovanni Acampora; Naoyuki Kubota
The currently observed developments in Artificial Intelligence (AI) and its influence on different types of industries mean that human-robot cooperation is of special importance. Various types of robots have been applied to the so-called field of Edutainment, i.e., the field that combines education with entertainment. This paper introduces a novel fuzzy-based system for a human-robot cooperative Edutainment
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Interval Methods in Knowledge Representation Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-11-25
Please send your abstracts (or copies of papers that you want to see reviewed here) to [email protected], or by regular mail to Vladik Kreinovich, Department of Computer Science, University of Texas at El Paso, El Paso, TX 79968, USA…
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Robust Fuzzy Clustering Algorithms for Change-Point Regression Models Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-09-30 Kang-Ping Lu; Shao-Tung Chang
This article presents a robust fuzzy procedure for estimating change-point regression models. We propose incorporating the fuzzy change-point algorithm with the M-estimation technique for robust estimations. The fuzzy c partitions concept is embedded into the change-point regression model so the fuzzy c-regressions and fuzzy c-means clustering can be employed to obtain the estimates of change-points
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A General Cipher for Individual Data Anonymization Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-09-30 Nicolas Ruiz
Over the years, the literature on individual data anonymization has burgeoned in many directions. While such diversity should be praised, it does not come without some difficulties. Currently, the task of selecting the optimal analytical environment is complicated by the multitude of available choices and the fact that the performance of any method is generally dependent of the data properties. In
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Uncertainty-Aware Dissimilarity Measures for Interval-Valued Fuzzy Sets Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-09-30 Emilio Torres-Manzanera; Pavol Král; Vladimír Janiš; Susana Montes
Dissimilarities are a very usual way to compare two fuzzy sets and also two interval-valued fuzzy sets. In both cases, the dissimilarity between two sets is a number. In this work, we introduce a generalization of the notion of dissimilarity for interval-valued fuzzy sets such that it assumes values on the set of subintervals instead of the set of numbers. This seems to be more realistic taking into
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Cross-Validation for the Uncertain Chapman-Richards Growth Model with Imprecise Observations Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-09-30 Zhe Liu; Lifen Jia
Regression analysis estimates the relationships among variables which has been widely used in growth curves, and cross-validation as a model selection method assesses the generalization ability of regression models. Classical methods assume that the observation values of variables are precise numbers while in many cases data are imprecisely collected. So this paper explores the Chapman-Richards growth
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MPE Computation in Bayesian Networks Using Mini-Bucket and Probability Trees Approximation Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-09-30 Andrés Cano; Manuel Gómez-Olmedo; Serafín Moral; Serafín Moral-García
Given a set of uncertain discrete variables with a joint probability distribution and a set of observations for some of them, the most probable explanation is a set or configuration of values for non-observed variables maximizing the conditional probability of these variables given the observations. This is a hard problem which can be solved by a deletion algorithm with max marginalization, having
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On Generating of t-Norms and t-Conorms on Bounded Lattices Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-09-30 Gül Deniz Çaylı
In this paper, we study t-norms and t-conorms on bounded lattices. We propose new methods for generating these operators, applicable on any bounded lattice M by use of the presence of a t-norm on [0M, k] and a t-conorm on [k, 1M] for an element k ∊ M\{0M, 1M}. In addition, some corresponding examples are provided for well understanding the structure of new t-norms and t-conorms.
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Modal Interval Probability: Application to Bonus-Malus Systems Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-09-30 Romàn Adillon; Lambert Jorba; Maite Mármol
Classical intervals have been a very useful tool to analyze uncertain and imprecise models, in spite of operative and interpretative shortcomings. The recent introduction of modal intervals helps to overcome those limitations. In this paper, we apply modal intervals to the field of probability, including properties and axioms that form a theoretical framework applied to the Markovian analysis of Bonus-Malus
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Distance-Based Consistency Measure and Priority Weights of Best-Worst Multi-Criteria Decision Making Method Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-09-30 Xiang-Qian Feng; Xiao-Dong Pang; Cui-Ping Wei
Best-Worst method (BWM) is a new multi-criteria decision-making method based on pairwise comparisons, but only the comparisons concerning the best and the worst alternatives or criteria. This method shows some significant advantages in the simplicity with a less requirement of comparison data and reliability with better consistency. This paper proposes a new consistency measure method based on the
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Interval Methods in Knowledge Representation Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-09-30
Please send your abstracts (or copies of papers that you want to see reviewed here) to [email protected], or by regular mail to Vladik Kreinovich, Department of Computer Science, University of Texas at El Paso, El Paso, TX 79968, USA.
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An Information Dissemination Influence Model for Mobile Social Network under Multi-Role View Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-09-03 Jianfeng Li; Fangshuo Li; Wenxiang Wang; Jun Zhai
Mobile social networks are dominating in our society’s daily life because of fast advancements of information technologies. To further exploit benefits from the ubiquitous service, studying the influence of information dissemination in this kind of social network becomes a necessity. This paper proposes a mobile social network influence model with regard to multiple roles. In the model, the concept
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Why Black-Scholes Equations Are Effective Beyond Their Usual Assumptions: Symmetry-Based Explanation Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-08-28 Warattaya Chinnakum; Sean Aguilar
Nobel-Prize-winning Black-Scholes equations are actively used to estimate the price of options and other financial instruments. In practice, they provide a good estimate for the price, but the problem is that their original derivation is based on many simplifying statistical assumptions which are, in general, not valid for financial time series. The fact that these equations are effective way beyond
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Uncertainty in Information Market Games Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-08-28 Saadia El Obadi; Silvia Miquel
A new product can be produced and sold in a market thanks to the entrance of a patent holder into the market. This market is divided into submarkets controlled by only some firms and the profit attainable in each submarket is uncertain. In this paper, this situation is studied by means of cooperative games under interval uncertainty. We consider different ways of allocating the interval profit among
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Beyond Deep Learning: An Econometric Example Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-08-28 Ruofan Liao; Paravee Maneejuk; Songsak Sriboonchitta
In the past, in many areas, the best prediction models were linear and nonlinear parametric models. In the last decade, in many application areas, deep learning has shown to lead to more accurate predictions than the parametric models. Deep learning-based predictions are reasonably accurate, but not perfect. How can we achieve better accuracy? To achieve this objective, we propose to combine neural
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How to Take Both Non-Linearity and Asymmetry (Skewness) into Account in Binary Decision Making: Skew-Probit and Skew-Logit in Binary Kink Regression Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-08-28 Paravee Maneejuk
In many practical situations, it is desirable to predict binary (“yes”–“no”) decisions made by people. The traditional approach to this prediction assumes that the utility linearly depends on the corresponding parameters, and that the distribution of the difference between predicted and actual utility is symmetric — usually normal or logistic; the corresponding techniques are known as, correspondingly
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Comparing Medical Care Costs using Bayesian Credible Intervals for the Ratio of Means of Delta-Lognormal Distributions Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-08-28 Patcharee Maneerat; Sa-Aat Niwitpong
When considering the medical care costs data with a high proportion of zero items of two inpatient groups, comparing them can be estimated using confidence intervals for the ratio of the means of two delta-lognormal distributions. The Bayesian credible interval-based uniform-beta prior (BCIh-UB) is proposed and compared with the generalized confidence interval (GCI), fiducial GCI (FGCI), the method
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Ruin Probabilities of Continuous-Time Risk Model with Dependent Claim Sizes and Interarrival Times Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-08-28 Nguyen Huy Hoang; Bao Quoc Ta
In this paper we investigate an insurance continuous-time risk model when the claim sizes and inter-arrival times are m-dependent random variables. We provide an upper exponential bound for the ruin probability.
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Why the Use of Convex Combinations Works Well for Interval Data: A Theoretical Explanation Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-08-28 Rungrapee Phadkantha; Woraphon Yamaka
One of the main objectives of econometrics is to predict future values of important economics-related quantities, such as unemployment level, stock prices, currency exchange rates, etc. — and especially to predict how different possible economy-boosting measures will affect these quantities. To perform this prediction, we design a model of such effect and train it on the available data. Usually, the
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On Statistics of Random Sets for Partial Identification of Econometric Structures Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-08-28 Jirakom Sirisrisakulchai; Chon Van Le; Uyen Pham
In this paper, we emphasize and elaborate on two important and relatively new aspects in uncertainty analysis in order to increase the credibility of empirical results in statistics in general, and in econometrics in particular, namely, the problem of partial identification, and the use of random set statistics. We elaborate on the current interests in partially identified models, exemplified by econometric
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The Black-Litterman Model for Portfolio Optimization on Vietnam Stock Market Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-08-28 Bao Quoc Ta; Thao Vuong
The Black-Litterman asset allocation model is an extended portfolio management model to construct optimal portfolios by combining the market equilibrium with investor views into asset allocation decisions. In this paper we apply Black-Litterman model for portfolio optimization on Vietnames stock market. We chose ARIMA methodology utilized in financial econonometrics to predict the views of investor
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A Mixed Copula-Based Vector Autoregressive Model for Econometric Analysis Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-08-28 Woraphon Yamaka; Sukrit Thongkairat
In many practical applications, the dynamics of different quantities is reasonably well described by linear equations. In economics, such linear dynamical models are known as vector autoregressive (VAR) models. These linear models are, however, only approximate. The deviations of the actual value of each quantity from the predictions of the linear model are usually well described by normal or Student-t
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Intuitionistic Fuzzy Partial Logistic Regression Model Using Ridge Methodology Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-08-24 Gholamreza Hesamian; Mohammad Ghasem Akbari; Mehdi Roozbeh
This paper applies a ridge estimation approach in an existing partial logistic regression model with exact predictors, intuitionistic fuzzy responses, intuitionistic fuzzy coefficients and intuitionistic fuzzy smooth function to improve an existing intuitionistic fuzzy partial logistic regression model in the presence of multicollinearity. For this purpose, ridge methodology is also involved to estimate
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Project Time-Cost-Quality Trade-off Problem: A Novel Approach Based on Fuzzy Decision Making Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-08-24 Esmaeil Keshavarz; Abbas Shoul
Trade-off problems concentrate on balancing the main parameters of a project as completion time, total cost and quality of activities. In this study, the problem of project time-cost-quality trade-off is formulated and solved from a new standpoint. For this purpose, completion time and crash cost of project are illustrated as fuzzy goals, also the dependency of implementing time of each activity and
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A Weighted-Logic Representation of C-Revising Ordinal Conditional Functions Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-08-24 Safia Laaziz; Younes Zeboudj; Salem Benferhat; Faiza Haned Khellaf
The problem of belief change is considered as a major issue in managing the dynamics of an information system. It consists in modifying an uncertainty distribution, representing agents’ beliefs, in the light of a new information. In this paper, we focus on the so-called multiple iterated belief revision or C-revision, proposed for conditioning or revising uncertain distributions under uncertain inputs
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A New Method for Ranking Interval Type-2 Fuzzy Numbers Based on Mellin Transform Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-08-24 Yanbing Gong; Lin Xiang; Shuxin Yang; Hailiang Ma
Interval type-2 fuzzy sets provide us with additional degrees of freedom to represent the uncertainty and the fuzziness of the real word than traditional type-1 fuzzy sets. Interval type-2 fuzzy numbers ranking has an important role in the decision making analysis. In this paper, the probatilistic mean value and variance of interval type-2 fuzzy numbers are proposed based on the Mellin transform for
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Covering Problem for Solutions of Max-Archimedean Bipolar Fuzzy Relation Equations Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-08-24 Vijay Lakshmi Tiwari; Antika Thapar
This paper discusses the resolution of max-Archimedean bipolar fuzzy relation equations. In the literature, many methods have been proposed based on 0-1 integer programming problem or reduction methods for the optimization with bipolar fuzzy relation equations. A new concept based on the idea of covering and the notions of leading, non-leading variables are introduced in the present paper for finding
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Vectorized Kernel-Based Fuzzy C-Means: a Method to Apply KFCM on Crisp and Non-Crisp Numbers Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-08-24 Hadi Mahdipour Hossein-Abad; Mohsen Shabanian; Iman Abaspur Kazerouni
Kernel methods are a class of algorithms for pattern analysis to robust them to noise, overlaps, outliers and also unequal sized clusters. In this paper, kernel-based fuzzy c-means (KFCM) method is extended to apply KFCM on any crisp and non-crisp input numbers only in a single structure. The proposed vectorized KFCM (VKFM) algorithm maps the input (crisp or non-crisp) features to crisp ones and applies
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On the Use of m-Probability-Estimation and Imprecise Probabilities in the Naïve Bayes Classifier Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-08-24 Javier G. Castellano; Serafín Moral-García; Carlos J. Mantas; Joaquín Abellán
Within the field of supervised classification, the naïve Bayes (NB) classifier is a very simple and fast classification method that obtains good results, being even comparable with much more complex models. It has been proved that the NB model is strongly dependent on the estimation of conditional probabilities. In the literature, it had been shown that the classical and Laplace estimations of probabilities
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Multi-Level Fine-Scaled Sentiment Sensing with Ambivalence Handling Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-08-24 Zhaoxia Wang; Seng-Beng Ho; Erik Cambria
Social media represent a rich source of information, such as critiques, feedback, and other opinions posted online by Internet users. Such information is typically a good reflection of users’ sentiments and attitudes towards various services, topics, or products. Sentiment analysis has become an increasingly important natural language processing (NLP) task to help users make sense of what is happening
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Interval Methods in Knowledge Representation Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-08-24
Please send your abstracts (or copies of papers that you want to see reviewed here) to [email protected], or by regular mail to Vladik Kreinovich, Department of Computer Science, University of Texas at El Paso, El Paso, TX 79968, USA.
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A Hybrid Multilingual Fuzzy-Based Approach to the Sentiment Analysis Problem Using SentiWordNet Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-05-21 Youness Madani; Mohammed Erritali; Jamaa Bengourram; Francoise Sailhan
Sentiment Analysis or in particular social network analysis (SNA) is a new research area which is increased explosively. This domain has become a very active research issue in data mining and natural language processing. Sentiment analysis (opinion mining) consists in analyzing and extracting emotions, opinions or attitudes from product’s reviews, movie's reviews, etc., and classify them into classes
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Self-Adaptive Optimization for Improved Data Sanitization and Restoration Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-05-21 Geeta S. Navale; Suresh N. Mali
Nowadays, Data Sanitization is considered as a highly demanded area for solving the issue of privacy preservation in Data mining. Data Sanitization, means that the sensitive rules given by the users with the specific modifications and then releases the modified database so that, the unauthorized users cannot access the sensitive rules. Promisingly, the confidentiality of data is ensured against the
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A Lexicographic Approach to Fuzzy Linear Assignment Problems with Different Types of Fuzzy Numbers Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-05-21 Boris Pérez-Cañedo; Eduardo R. Concepción-Morales
The fuzzy linear assignment problem (FLAP) is an extension of the classical linear assignment problem (LAP) to situations in which uncertainty in the cost coefficients is represented by fuzzy numbers. FLAP applications range from the assignment of workers to tasks to multiple-criteria decision analysis in fuzzy environments and many other engineering applications. Most FLAP formulations assume that
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Hyperintensional Reasoning Based on Natural Language Knowledge Base Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-05-21 Marie Duží; Aleš Horák
The success of automated reasoning techniques over large natural-language texts heavily relies on a fine-grained analysis of natural language assumptions. While there is a common agreement that the analysis should be hyperintensional, most of the automatic reasoning systems are still based on an intensional logic, at the best. In this paper, we introduce the system of reasoning based on a fine-grained
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Numerical Linear Programming under Non-Probabilistic Uncertainty Models — Interval and Fuzzy Sets Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-05-21 Keivan Shariatmadar; Mark Versteyhe
This paper considers a linear optimisation problem under uncertainty with at least one element modelled as a non-probabilistic uncertainty. The uncertainty is expressed in the coefficient matrices of constraints and/or coefficients of goal function. Previous work converts such problems to classical (linear) optimisation problems and eliminates uncertainty by converting the linear programming under
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A New Fine-Kinney Method Based on Clustering Approach Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-05-21 Cansu Dagsuyu; Murat Oturakci; Esra Sarac Essiz
In this study, a new approach to Fine-Kinney risk assessment method is developed in order to overcome the limitations of the conventional method with clustering algorithms. New risk level of classes are attempted to determine with K-Means and Hierarchical clustering algorithms with using two different distance functions which are Euclidean and Manhattan distances. According to the results, K-Means
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Interval Methods in Knowledge Representation Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-05-21
Please send your abstracts (or copies of papers that you want to see reviewed here) to [email protected], or by regular mail to Vladik Kreinovich, Department of Computer Science, University of Texas at El Paso, El Paso, TX 79968, USA.
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On the Structure of the Classes of Copulas and Quasi-Copulas with a Given Diagonal Section Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-05-21 Juan Fernández-Sánchez; Manuel Úbeda-Flores
In this paper we provide an alternative proof to that given in Ref. 1 to the fact that the class of multivariate copulas with a given diagonal section δ — denoted by 𝒞δ — is a singleton if, and only if, the unique element of the class is the copula of comonotonicity among random variables. This will be used to prove that, for any diagonal δ different from the diagonal of the comotonic copula, 𝒞δ
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Estimating and Controlling Overlap in Gaussian Mixtures for Clustering Methods Evaluation Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-04-08 Radhwane Gherbaoui; Mohammed Ouali; Nacéra Benamrane
The ad hoc nature of the clustering methods makes simulated data paramount in assessing the performance of clustering methods. Real datasets could be used in the evaluation of clustering methods with the major drawback of missing the assessment of many test scenarios. In this paper, we propose a formal quantification of component overlap. This quantification is derived from a set of theorems which
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Improving Classification Accuracy Using Hybrid of Extreme Learning Machine and Artificial Algae Algorithm with Multi-Light Source Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-04-08 Devikanniga D; R. Joshua Samuel Raj
Among other machine learning techniques, the extreme learning machine has evidently proved its diagnostic accuracy on many cases in medical domain. Its accuracy mainly depends on the optimal parameters that are used in training. The proposed work is based on optimizing the extreme learning machine using the recently proposed meta-heuristic optimization technique named artificial algae algorithm with
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Uncertainty Measurement for a Tolerance Knowledge Base Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-04-08 Bin Qin; Fanping Zeng; Kesong Yan
A knowledge base is an important notion of rough set theory. A tolerance knowledge base is its generalization. Measures of uncertainty as important evaluation tools in the fields of machine learning can measure the dependence and similarity between two targets. This paper investigates uncertainty measurement for a tolerance knowledge base by using its knowledge structure. The knowledge structure of
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Fuzzy Binary Rough Set Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-04-08 Yu-Ru Syau; En-Bing Lin; Churn-Jung Liau
In this paper, we provide a definition of α-fuzzified lower and upper approximations for fuzzy sets based on the α-cut of fuzzy binary relations. We show that the definition is a proper generalization of the previous one for approximations of crisp sets and compare it with an existing definition in the context of fuzzy tolerance relation.
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Fuzzy Regression Model Based on Geometric Centroid and Incentre Points and Application to Performance Evaluation Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-04-08 Yanbing Gong; Lin Xiang; Gaofeng Liu
Fuzzy regression model is developed to construct the relationship between independent variable and dependent variable in a fuzzy environment. In order to increase the explanatory performance of fuzzy regression model, the least-squares method usually is applied to determine the numeric coefficients based on the concept of distance. In this paper, we consider the fuzzy linear regression model with fuzzy
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Kappa Regression: An Alternative to Logistic Regression Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-04-08 József Dombi; Tamás Jónás
In this study, a new regression method called Kappa regression is introduced to model conditional probabilities. The regression function is based on Dombi’s Kappa function, which is well known in fuzzy theory. Here, we discuss how the Kappa function relates to the Logistic function as well as how it can be used to approximate the Logistic function. We introduce the so-called Generalized Kappa Differential
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Performance Efficiency of Public Health Sector Using Intuitionistic Fuzzy DEA Int. J. Uncertain. Fuzziness Knowl. Based Syst. (IF 1.375) Pub Date : 2020-04-08 Alka Arya; Shiv Prasad Yadav
Out of several generalizations of fuzzy set theory for various objectives, the notions of intuitionistic fuzzy sets (IFSs) is very useful in modeling real life problems. In existing fuzzy data envelopment analysis (FDEA) models, the inputs and outputs are limited to fuzzy input and fuzzy output data. In real life problems, the input data and output data can be considered as linguistic/vague characterized