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NAFIPS 2006 - 2006 Annual Meeting of the North American Fuzzy Information Processing Society

3-6 June 2006

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Displaying Results 1 - 25 of 138
  • [Front cover]

    Publication Year: 2006, Page(s): C1
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  • [Breaker page]

    Publication Year: 2006, Page(s): 1
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  • [Breaker page]

    Publication Year: 2006, Page(s): 1
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  • [Commentary]

    Publication Year: 2006, Page(s): 1
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  • Staff or Society listings

    Publication Year: 2006, Page(s): 1
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  • Program Committee

    Publication Year: 2006, Page(s): 1
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  • Table of contents

    Publication Year: 2006, Page(s):1 - 8
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  • [Commentary]

    Publication Year: 2006, Page(s):1 - 10
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  • Possibilistic Ruin Thresholds for Pricing Catastrophe Insurance

    Publication Year: 2006, Page(s):1 - 3
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (315 KB) | HTML iconHTML

    The pricing of property/casualty insurance for widespread, catastrophic events (windstorms, flood, terrorism) is an effort fraught with uncertainty. Critical is the issue of how high premiums should be to prevent insured losses from exceeding the insurers capacity to pay claims. Known as the ruin problem, it is usually addressed in terms of exact thresholds based on precise probabilities of loss. ... View full abstract»

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  • Validation of Hybrid MinMax FuzzyNeuro Systems

    Publication Year: 2006, Page(s):4 - 7
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (348 KB) | HTML iconHTML

    The validation and verification (V&V) of hybrid fuzzyneuro (HFN) or hybrid neurofuzzy (HNF) systems becomes of increasing concern as these systems are fielded and embedded in the every day operations of medical diagnosis, pattern recognition, fuzzy control and other industries particularly so when life-critical and environment-critical aspects are involved. We provide in this paper a V&V p... View full abstract»

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  • On Two Approaches to Approximate Inclusion Operators

    Publication Year: 2006, Page(s):8 - 13
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (561 KB) | HTML iconHTML

    This paper is devoted to two extensions of the inclusion operator. The general idea advocated here is the tolerance for exceptions, thus defining an approximate inclusion. A first line for allowing for exceptions is quantitative and it is based on the weakening of the universal quantifier present in the logical view of the inclusion between regular or fuzzy sets. Another strategy is more qualitati... View full abstract»

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  • Sets With Type-2 Operations

    Publication Year: 2006, Page(s):14 - 18
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (392 KB) | HTML iconHTML

    In this paper, we examine the algebra formed by the subsets of the unit interval with operations induced by the order on the unit interval. This algebra can be obtained as a subalgebra of the truth value algebra of type-2 fuzzy sets View full abstract»

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  • Intelligent Control of Vehicle Semi-Active Suspension Systems for improved Ride Comfort and Road Handling

    Publication Year: 2006, Page(s):19 - 24
    Cited by:  Papers (11)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2881 KB) | HTML iconHTML

    In this paper we propose a neuro-fuzzy (NF) control strategy to enhance desired suspension performance. The proposed method consists of two parts: a fuzzy control strategy to establish an efficient controller to improve ride comfort and road handling (RCH) and an inverse mapping model to estimate the current needed for a semi-active damper. The fuzzy logic rules are extracted based on Skyhook and ... View full abstract»

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  • Investigation and Fuzzy Regime for Biogas Transport in Hydrophobic Permeable Polymer

    Publication Year: 2006, Page(s):25 - 30
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3638 KB) | HTML iconHTML

    This research aims to control methane and carbon dioxide by a new intelligent approach in landfills. This intelligent approach entails a new configuration of the gas collection system, new permeable hydrophobic polymer medium for gas collection, and an intelligent fuzzy system for modeling and controlling gas transport in the system. The new configuration of the gas collection system consisted of ... View full abstract»

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  • Predictive Fuzzy Control of Paper Quality

    Publication Year: 2006, Page(s):31 - 34
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1543 KB) | HTML iconHTML

    Pulp and paper quality depends on the quality of wood chips which depends on their physical and optical properties. Presently, there is no formally established knowledge concerning the co-influences of the several parameters governing the thermo-mechanical pulp and paper process (TMP). The main goal of this paper is to automatically generate fuzzy knowledge bases (FKBs) to characterize wood chip p... View full abstract»

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  • Predefining Numbers of Fuzzy Sets for Genetically Generated Fuzzy Knowledge Bases Using Clustering Techniques: Application to Tool Wear Monitoring

    Publication Year: 2006, Page(s):35 - 40
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4597 KB) | HTML iconHTML

    One of the problems surrounding fuzzy knowledge base generation using genetic algorithms is finding an optimal number of fuzzy sets for each premise. A genetic algorithm developed by the authors for the automatic generation of fuzzy knowledge bases uses a multi-objective method combining error minimization and simplification. This paper proposes solutions based on cluster analysis and validation i... View full abstract»

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  • Self-Configuration Fuzzy System for Inverse Kinematics of Robot Manipulators

    Publication Year: 2006, Page(s):41 - 45
    Cited by:  Papers (14)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3863 KB) | HTML iconHTML

    Kinematics is the study of motion without regard to the forces that create it. Generally, kinematics for robot manipulators includes two problems, forward kinematics problem and inverse kinematics problem. Because of the complexity of inverse kinematics, it is difficult to find the solutions for it. This paper applies a self-configuration fuzzy system to finding the solutions for inverse kinematic... View full abstract»

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  • Fuzzy Rough Sets as a Pair of Fuzzy Numbers: A New Approach and New Findings

    Publication Year: 2006, Page(s):46 - 51
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (6056 KB) | HTML iconHTML

    We study the properties of rough sets based on all the properties of sets including inclusion, strict inclusion and set equality ((Y. Y. Yao, 1996) and (Y. Y. Yao, 2003)). We add a counting function "count" to the rough set. We define rough inclusion, strict rough inclusion, rough equality, and rough inequality, based on the counting function associated with the rough set. Def: We say that a rough... View full abstract»

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  • Parameterized Quantum Gates and Multidimensional Uncertainty of Information

    Publication Year: 2006, Page(s):52 - 56
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (518 KB) | HTML iconHTML

    Quantum computation has shown a lot of promise in being able to provide computational results not possible with the modern computer. However, the design of new algorithms has been slow. One reason for this could be that we simply do not understand this new paradigm of computation enough to fully utilize it. We present here is an improvement of our previous generalization the basic quantum gates an... View full abstract»

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  • An Optimization of ac-cuts of Fuzzy Sets Through Particle Swarm Optimization

    Publication Year: 2006, Page(s):57 - 62
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2925 KB) | HTML iconHTML

    Given the representation theorem, it is well-known that any fuzzy set can be represented by its infinite family of alpha-cuts. While there have been a lot of theoretical investigations along this line, a surprisingly limited attention was paid to the optimization of the representation (approximation) of fuzzy sets by some finite, usually quite limited, family of their alpha-cuts. In this study, we... View full abstract»

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  • A New Form of Web Corpus: Display of Search Results Based on English Language Quality

    Publication Year: 2006, Page(s):63 - 68
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1524 KB) | HTML iconHTML

    A new form of Web corpus for English writing support is presented. When a Web search engine is used to refer to English sentence samples, identifying suitable samples from among the numerous search results is a troublesome task. In particular, nonnative English speakers have difficulty in determining the quality of English of each search result. The corpus system proposed in this paper evaluates t... View full abstract»

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  • Fuzzy Clustering of Batting Averages

    Publication Year: 2006, Page(s):69 - 72
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (314 KB) | HTML iconHTML

    One of the most troubling, yet intriguing aspects of Major League Baseball is the fact that there is a mind-boggling amount of statistical data for the game. Batting averages are the pinnacle example of this problem. Beyond praising the players with the largest numbers, there has never been a system for establishing valid relationships amongst every professional. Fuzzy clustering provides a sound ... View full abstract»

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  • On Epistasis for Measure of Genetic Algorithm Hardnesss

    Publication Year: 2006, Page(s):73 - 76
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (307 KB) | HTML iconHTML

    Aiming at the essence of epistasis and its significance in measuring genetic algorithm hardness, a theoretical analysis and a practical research are processed. Based on the analysis of the Euclidean normalization of epistasis variance and the extent of epistasis coefficient, which reflect the extent of epistasis of genetic algorithms, two theorems are formulated and proved. Then the experiments us... View full abstract»

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  • Notes on MS convergence for fuzzy number spaces

    Publication Year: 2006, Page(s):77 - 79
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (249 KB) | HTML iconHTML

    The relation between MS (myope structure) and other topological structures on fuzzy number is discussed. It is proved that the MS is strictly weaker than the Skorokhod topology, but it is topologically stronger than the sendograph metric. Some properties for the MS are given. The main result in this paper is a correction of the corresponding result in (R. Badard, 1987) View full abstract»

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  • Fuzzy Classification using Grammatical Evolution for Structure Identification

    Publication Year: 2006, Page(s):80 - 84
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1103 KB) | HTML iconHTML

    The use of grammatical evolution for automating the structure identification of fuzzy rule based classification systems is investigated in this paper. To demonstrate its usefulness, we apply this method to the iris species identification problem. We achieve favorable results by evolving the rule base of a fuzzy system with fixed membership functions View full abstract»

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