Proceedings of 3rd International Symposium on Uncertainty Modeling and Analysis and Annual Conference of the North American Fuzzy Information Processing Society最新文献

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Study on evaluation of grouting effects using artificial neural network 应用人工神经网络评价注浆效果的研究
T. Kawamura, T. Yausda, M. Matsushima, N. Yasuda, K. Kumagai, T. Iijima
{"title":"Study on evaluation of grouting effects using artificial neural network","authors":"T. Kawamura, T. Yausda, M. Matsushima, N. Yasuda, K. Kumagai, T. Iijima","doi":"10.1109/ISUMA.1995.527757","DOIUrl":"https://doi.org/10.1109/ISUMA.1995.527757","url":null,"abstract":"For planning of dam construction and management of construction, it is important to quantitatively evaluate grouting works on improvement of water tightness. The paper proposes that an evaluation system can be modeled based on a neural network using resistivity data measured on site. Sensitivity analysis is carried out using this system. From the above analysis, an experimental process and the sense of an engineer can be described with the model of the relationship between the variation of resistivity and the states of grouting put into rock mass.","PeriodicalId":298915,"journal":{"name":"Proceedings of 3rd International Symposium on Uncertainty Modeling and Analysis and Annual Conference of the North American Fuzzy Information Processing Society","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129777486","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Rules discovery in fuzzy relational databases 模糊关系数据库中的规则发现
J. Cubero, O. Pons, J. M. Medina, M. Vila
{"title":"Rules discovery in fuzzy relational databases","authors":"J. Cubero, O. Pons, J. M. Medina, M. Vila","doi":"10.1109/ISUMA.1995.527731","DOIUrl":"https://doi.org/10.1109/ISUMA.1995.527731","url":null,"abstract":"We are concerned with the problem of defining a fuzzy dependency in the framework of a fuzzy relational database. Of prime interest is the development of a fuzzy algebra operator, which allows us to store that information in a separated relation with fewer tuples. Its definition can be carried out through a crisp criterion or through a fuzzy one: we study the necessary restrictions for each case.","PeriodicalId":298915,"journal":{"name":"Proceedings of 3rd International Symposium on Uncertainty Modeling and Analysis and Annual Conference of the North American Fuzzy Information Processing Society","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130515667","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 14
Uncertainties in loads for ships structures 船舶结构载荷的不确定性
K. Atua, B. Ayyub
{"title":"Uncertainties in loads for ships structures","authors":"K. Atua, B. Ayyub","doi":"10.1109/ISUMA.1995.527739","DOIUrl":"https://doi.org/10.1109/ISUMA.1995.527739","url":null,"abstract":"Structural reliability analysis requires characterizing uncertainties in strength and loads for selected failure modes. The objective of this paper is to study the uncertainties associated with the vertical wave-induced bending moment on ship hull girders. Also, uncertainties in whipping effects are investigated. Spectral analysis was used to calculate the maximum life-time wave loads on a ship with and without whipping. This type of analysis requires knowing a set of basic random variables. The uncertainties in wave-induced and whipping bending moments were investigated using Monte Carlo simulation by randomly generating these basic random variables and calculating wave and whipping loads on a ship. A parameteric study was performed to investigate the effect of variability in these basic random variables on the uncertainties of wave loads.","PeriodicalId":298915,"journal":{"name":"Proceedings of 3rd International Symposium on Uncertainty Modeling and Analysis and Annual Conference of the North American Fuzzy Information Processing Society","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134623189","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Efficient fuzzy logic architectures suitable for silicon compilation 适用于硅编译的高效模糊逻辑体系结构
T. Wicks, M. Nigri, P. Treleaven
{"title":"Efficient fuzzy logic architectures suitable for silicon compilation","authors":"T. Wicks, M. Nigri, P. Treleaven","doi":"10.1109/ISUMA.1995.527722","DOIUrl":"https://doi.org/10.1109/ISUMA.1995.527722","url":null,"abstract":"The increasing complexity of fuzzy logic systems and their application to an ever widening set of problems leads to a requirement for automatic system generation methods. Fuzzy logic has proved to be a good alternative to traditional methods, with uses found in control, pattern matching and expert reasoning systems. Its use in embedded system controllers, in particular, brings about a need for efficient hardware solutions. This arises at a time when Application Specific Integrated Circuits (ASICs) are proving to be an increasingly attractive implementation route, in terms of cost, speed and reliability. Compilation methods which map a high level fuzzy logic description directly down to silicon are being developed. Efficient fuzzy logic architectures are therefore sought for the outcome of this mapping. This paper discusses the hardware requirements for fuzzy logic and develops a range of flexible implementation schemes which are suitable for silicon compilation.","PeriodicalId":298915,"journal":{"name":"Proceedings of 3rd International Symposium on Uncertainty Modeling and Analysis and Annual Conference of the North American Fuzzy Information Processing Society","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123276161","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Fuzzy modelling for automatic telephone answering systems 电话自动应答系统的模糊建模
K. Brownsey, M. Zajicek, P. Palau
{"title":"Fuzzy modelling for automatic telephone answering systems","authors":"K. Brownsey, M. Zajicek, P. Palau","doi":"10.1109/ISUMA.1995.527690","DOIUrl":"https://doi.org/10.1109/ISUMA.1995.527690","url":null,"abstract":"This paper is concerned with the use of fuzzy sets for automatic telephone answering systems for large organisations or organisations providing large amounts of vaguely structured information. Currently available commercial systems are generally based on hierarchical dialogue systems, reflecting a hierarchical information structure. The authors have been investigating alternative approaches where the information structures are less well defined. In these cases, callers often have a degree of vagueness about what information they require. The paper looks at the idea of using fuzzy sets for modelling both the domain of interest and the users emerging goals, as perceived by the system. It then goes on to describe two algorithms for traversing the information structures. Conclusions and further work are then discussed.","PeriodicalId":298915,"journal":{"name":"Proceedings of 3rd International Symposium on Uncertainty Modeling and Analysis and Annual Conference of the North American Fuzzy Information Processing Society","volume":"110 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116281398","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Qualitative and quantitative indices for simulation systems in distributed interactive simulation 分布式交互仿真中仿真系统的定性和定量指标
P. McCauley, R. Freeman
{"title":"Qualitative and quantitative indices for simulation systems in distributed interactive simulation","authors":"P. McCauley, R. Freeman","doi":"10.1109/ISUMA.1995.527788","DOIUrl":"https://doi.org/10.1109/ISUMA.1995.527788","url":null,"abstract":"The fidelity measurement question in distributed interactive simulation (DIS) needs to be answered. Its resolution is crucial to defining and resolving the interoperability issue of \"how to compare and contrast simulations of varying fidelities on a quantifiable basis\". Once such a measure of fidelity is modeled, it would allow high fidelity simulators to play fairly with low fidelity simulations. The Fidelity Subgroup of the DIS Standards Development Project has developed a Draft Fidelity Description Requirement (FDR) document, in a hierarchical taxonomy format. This framework provides an object oriented modular referent to model. The input and output descriptors are defined verbally, linguistically. Recent research would suggest this linguistic base can easily be transformed into quantifiable measures, indices. The paper provides a methodology for providing quantifiable fidelity indices through the application of fuzzy logic.","PeriodicalId":298915,"journal":{"name":"Proceedings of 3rd International Symposium on Uncertainty Modeling and Analysis and Annual Conference of the North American Fuzzy Information Processing Society","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128277942","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Reliability analysis of a reinforced concrete drainage structure 某钢筋混凝土排水结构可靠度分析
R. Patev, M. A. Leggett
{"title":"Reliability analysis of a reinforced concrete drainage structure","authors":"R. Patev, M. A. Leggett","doi":"10.1109/ISUMA.1995.527740","DOIUrl":"https://doi.org/10.1109/ISUMA.1995.527740","url":null,"abstract":"A reliability assessment was performed to examine potential modes of unsatisfactory performance for a six-barrel gravity drainage structure and pumping plant located under a 33-ft-high levee section. The structure is composed of reinforced concrete which has suffered severe structural deterioration and exposure of reinforcement. This structure is a critical element in the levee system that protects a major metropolitan area from river and bayou flooding. Loss of this structure during a projected flood event would lead to a high probability of loss of life because of its proximity to a highly populated area. Using soil-structure interaction analyses, the outer culvert wall was modeled as a beam-column subjected to lateral and vertical earth pressures, and hydrostatic water pressures. Monte Carlo simulations and first-order second-moment techniques were utilized to examine the reliability of the culvert for normal operating conditions and for projected floods of 50 and 100 years.","PeriodicalId":298915,"journal":{"name":"Proceedings of 3rd International Symposium on Uncertainty Modeling and Analysis and Annual Conference of the North American Fuzzy Information Processing Society","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125316499","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Interval based evidence sets 基于区间的证据集
Luis M. Rocha
{"title":"Interval based evidence sets","authors":"Luis M. Rocha","doi":"10.1109/ISUMA.1995.527767","DOIUrl":"https://doi.org/10.1109/ISUMA.1995.527767","url":null,"abstract":"The relationship between set theory and the modeling of human categorization processes is the starting point of a discussion aiming at the definition of mathematical structures capable of better representing human categorization and linguistic capabilities. It is maintained that a theory of belief which acknowledges subjectivity and observed dependence, is imperative in any attempt to model cognitive categorization. A connection between the Dempster-Shafer Theory of Evidence and Interval Valued Fuzzy Sets is proposed through the presentation of a structure called Evidence Set. This structure allows the introduction of all the recognized forms of uncertainty uncapturable by Fuzzy or Interval Valued Fuzzy Sets alone, as well as a representation of belief in a set arrangement.","PeriodicalId":298915,"journal":{"name":"Proceedings of 3rd International Symposium on Uncertainty Modeling and Analysis and Annual Conference of the North American Fuzzy Information Processing Society","volume":"15 3","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120908472","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 11
Determination of economic systems behaviour under uncertainty 不确定条件下经济系统行为的确定
A. Serguieva
{"title":"Determination of economic systems behaviour under uncertainty","authors":"A. Serguieva","doi":"10.1109/ISUMA.1995.527663","DOIUrl":"https://doi.org/10.1109/ISUMA.1995.527663","url":null,"abstract":"The paper discuses systems of difference equations with fuzzy parameters and presents some solution procedures with the purpose to study the dynamic behaviour of economic systems in case of uncertainty. The trajectories of the endogenous variables are evaluated firstly at contiguous moments of time, and then, simultaneously. The relations between different solutions are shown. The author also consider essential to provide an algorithm for computing the exact /spl alpha/-cuts of the obtained solutions.","PeriodicalId":298915,"journal":{"name":"Proceedings of 3rd International Symposium on Uncertainty Modeling and Analysis and Annual Conference of the North American Fuzzy Information Processing Society","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121466936","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Toward a fuzzy theory of oligopolistic competition 论寡头竞争的模糊理论
J. Greenhut, G. Norman, C. Temponi
{"title":"Toward a fuzzy theory of oligopolistic competition","authors":"J. Greenhut, G. Norman, C. Temponi","doi":"10.1109/ISUMA.1995.527708","DOIUrl":"https://doi.org/10.1109/ISUMA.1995.527708","url":null,"abstract":"Demonstrates how fuzzy mathematics can be utilized to achieve a clearer perspective of the long-run equilibrium of oligopolistic firms than is provided by models based strictly on crisp numbers. It accomplishes this objective by computing the fuzzy present value of lost opportunities of entrepreneurs. By linking the optimal fuzzy opportunity to the cost function of the oligopolist, a long-run equilibrium is obtained, which provides an efficiency that is generally believed by economists to be realized only under perfectly competitive market conditions. The fuzzy sets which are shown to generate a crisp long-run equilibrium outcome under true-to-life competitive conditions provide an integral mathematical tool for modeling economic decision-making in an entrepreneurial business world.","PeriodicalId":298915,"journal":{"name":"Proceedings of 3rd International Symposium on Uncertainty Modeling and Analysis and Annual Conference of the North American Fuzzy Information Processing Society","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124518568","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 25
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