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2007 IEEE Symposium on Computational Intelligence in Multi-Criteria Decision-Making最新文献

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A Multi-Objective Solution Applying MOEA in Optical Networks 基于MOEA的光网络多目标解决方案
Y. Donoso, Carolina Alvarado, Alfredo J. Perez, Ivan Herazo
This paper shows the solution of a multiobjective scheme for multicast transmissions in MPLS networks with a GMLS optical backbone using evolutive algorithms. It has not been showed models that optimize one or more parameters integrating these two types of networks. Because the proposed scheme is a NP-hard problem, an algorithm has been developed to solve the problem on polynomial time. The main contributions of this paper are the proposed mathematical model and the algorithm to solve it
提出了一种基于进化算法的多目标多播传输方案。目前还没有模型能够将这两种类型的网络集成在一起来优化一个或多个参数。由于所提出的方案是一个np困难问题,因此开发了一种算法来在多项式时间上解决该问题。本文的主要贡献在于所提出的数学模型和求解算法
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引用次数: 1
Multi-Criteria Decision-Making: The Intersection of Search, Preference Tradeoff, and Interaction Visualization Processes 多准则决策:搜索、偏好权衡和交互可视化过程的交集
P. Bonissone
Summary form only given. The goal of the First IEEE Symposium of Computational Intelligence in Multicriteria Decision Making (MCDM 2007) is to provide a common forum for three scientific communities that have addressed different aspects of the MCDM problem and provided complementary approaches to its solution. The first approach is the search process over the space of possible solutions. We must perform efficient searches in multi- (or sometimes many-) dimensional spaces to identify the non-dominated solutions that compose the Pareto set. This search is driven by the solution evaluations, which might be probabilistic, stochastic, or imprecise, rather than deterministic. The second approach is the preference tradeoff process. We need to elicit, represent, evaluate, and aggregate the decision-maker's preferences to select a single solution (or a small subset of solutions) from the Pareto set. These preferences may be ill defined, and state or time-dependent rather than constant values. The aggregation mechanism may be as simple as a linear combination or as complex as a knowledge-driven model. The third approach is the interactive visualization process, which enables progressive decisions. We often want to embed the decision-maker in the solution refinement and selection loop. To this end, we need to show the impacts that intermediate tradeoffs in one sub-space could have in the other ones, while allowing him/her to retract or modify any intermediate steps to strike appropriate tradeoff balances. Given this perspective, we believe that MCDM resides in the intersections of these approaches
只提供摘要形式。首届IEEE多准则决策中的计算智能研讨会(MCDM 2007)的目标是为三个科学团体提供一个共同的论坛,这些团体已经解决了MCDM问题的不同方面,并提供了解决方案的互补方法。第一种方法是在可能解的空间上搜索过程。我们必须在多维(有时是多维)空间中执行有效的搜索,以识别构成帕累托集的非支配解。这种搜索是由解决方案评估驱动的,这些评估可能是概率的、随机的或不精确的,而不是确定的。第二种方法是偏好权衡过程。我们需要引出、表示、评估和汇总决策者的偏好,以便从Pareto集合中选择一个解决方案(或解决方案的一个小子集)。这些首选项可能定义不清,并且依赖于状态或时间,而不是恒定值。聚合机制可以像线性组合一样简单,也可以像知识驱动模型一样复杂。第三种方法是交互式可视化过程,它支持渐进式决策。我们经常希望将决策者嵌入到解决方案细化和选择循环中。为此,我们需要显示一个子空间中的中间权衡可能对其他子空间产生的影响,同时允许他/她撤销或修改任何中间步骤以达到适当的权衡平衡。从这个角度来看,我们认为MCDM存在于这些方法的交叉点
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引用次数: 4
A Proposal of Visualization of Multi-Objective Pareto Solutions -Development of Mining Technique for Solutions- 多目标Pareto解的可视化研究-解挖掘技术的发展
T. Yoshikawa, Daisuke Yamashiro, T. Furuhashi
The rapid progresses of computers introduce evolutionary computations to next step, which is the demand for the variety of Pareto solutions in multi-objective optimization problems. We can calculate a large amount of Pareto solutions in a short time. However, it is difficult to use the acquired Pareto solutions effectively, because the Pareto solutions have multi-dimension of fitness values. This study tries to develop "mining of solutions" technique with visualization. This paper proposes a visualizing method for Pareto solutions which have multi-objective fitness values. The proposed method enables us to grasp the distributed structure of Pareto solutions and clarify the relationship among multi-objective fitness values. This paper shows that the visualized data enables us to interpret the characteristics of Pareto solutions through experimental result
计算机的快速发展将进化计算引入了下一个阶段,这是多目标优化问题中Pareto解的多样性的需求。我们可以在短时间内计算出大量的帕累托解。然而,由于Pareto解具有多维度的适应度值,使得获取的Pareto解难以有效利用。本研究尝试以可视化的方式发展“解的挖掘”技术。提出了一种具有多目标适应度值的Pareto解的可视化方法。该方法使我们掌握了Pareto解的分布结构,并阐明了多目标适应度值之间的关系。本文表明,可视化的数据使我们能够通过实验结果来解释帕累托解的特征
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引用次数: 4
Interactive Utility Maximization in Multi-Objective Vehicle Routing Problems: A "Decision Maker in the Loop"-Approach 多目标车辆路径问题中的交互效用最大化:一种“循环决策者”方法
M. Geiger, W. Wenger, W. Habenicht
The article presents an interactive multi-criteria approach for the resolution of rich vehicle routing problems. A flexible framework was built to be able to deal with various components of general vehicle routing problems, e.g. the consideration of multiple objectives or different types of specific complex side constraints such as time windows, multiple depots or heterogeneous fleets. In the framework, a local search approach on the basis of variable neighborhood search (VNS) constructs and improves solutions in real time. The decision maker is actively involved into the resolution process as the system allows the interactive articulation of preference information, influencing the global utility function that guides the search. Results of test runs on multiple depot multi-objective vehicle routing problems with time windows are reported, simulating different types of decision maker behaviors
本文提出了一种交互式多准则方法来解决丰富的车辆路径问题。建立了一个灵活的框架,能够处理一般车辆路径问题的各个组成部分,例如考虑多个目标或不同类型的特定复杂侧约束,如时间窗口,多个仓库或异构车队。在该框架中,基于可变邻域搜索(VNS)的局部搜索方法实时构建和改进了解。决策者积极参与到解决过程中,因为系统允许偏好信息的交互衔接,影响指导搜索的全局效用函数。报告了多车场多目标车辆路径问题的运行结果,模拟了不同类型的决策者行为
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引用次数: 7
Fuzzy Methods for Constructing Multi-Criteria Decision Functions 构造多准则决策函数的模糊方法
R. Yager
Summary form only given. Because of its ability to provide a bridge between linguistic expression and mathematical modeling fuzzy sets technology provides an idea framework for the construction of multi-criteria decision functions. In this talk we shall describe a number of aggregation operators associated with fuzzy set theory and see how they can be used to formulate multi-criteria decision functions. Particular attention was paid to formulating multi-criteria functions from linguistically specified user requirements.
只提供摘要形式。模糊集技术能够在语言表达和数学建模之间架起一座桥梁,为构建多准则决策函数提供了一个思想框架。在这次演讲中,我们将描述一些与模糊集理论相关的聚合算子,并了解如何使用它们来制定多准则决策函数。特别注意根据语言规定的用户要求制订多标准功能。
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引用次数: 1
Managing Population Diversity Through the Use of Weighted Objectives and Modified Dominance: An Example from Data Mining 通过使用加权目标和修正优势来管理种群多样性:来自数据挖掘的一个例子
A. Reynolds, B. Iglesia
The most successful multi-objective metaheuristics, such as NSGA II and SPEA 2, usually apply a form of elitism in the search. However, there are multi-objective problems where this approach leads to a major loss of population diversity early in the search. In earlier work, the authors applied a multi-objective metaheuristic to the problem of rule induction for predictive classification, minimizing rule complexity and misclassification costs. While high quality results were obtained, this problem was found to suffer from such a loss of diversity. This paper describes the use of both linear combinations of objectives and modified dominance relations to control population diversity, producing higher quality results in shorter run times
最成功的多目标元启发式,如NSGA II和SPEA 2,通常在搜索中应用一种精英主义形式。然而,在多目标问题中,这种方法会在搜索的早期导致种群多样性的重大损失。在早期的工作中,作者将多目标元启发式方法应用于预测分类的规则归纳问题,最小化规则复杂性和错误分类成本。虽然获得了高质量的结果,但发现这个问题受到多样性丧失的影响。本文描述了使用目标的线性组合和修改优势关系来控制种群多样性,在更短的运行时间内产生更高质量的结果
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引用次数: 3
Nonlinear Dynamic System Identification Based on Multiobjectively Selected RBF Networks 基于多目标选择RBF网络的非线性动态系统辨识
N. Kondo, T. Hatanaka, K. Uosaki
In this paper, nonlinear dynamic system identification by using multiobjectively selected RBF network is considered. RBF networks are widely used as a model structure for nonlinear systems. The determination of its structure that is the number of basis functions is prior important step in system identification, and the tradeoff between model complexity and accuracy exists in this problem. By using multiobjective evolutionary algorithms, the candidates of the RBF network structure are obtained in the sense of Pareto optimality. We discuss an application to system identification by using such RBF networks having Pareto optimal structures. Some numerical simulations for nonlinear dynamic systems are carried out to show the applicability of the proposed approach.
本文研究了基于多目标选择RBF网络的非线性动态系统辨识问题。RBF网络作为非线性系统的一种模型结构得到了广泛的应用。其结构即基函数个数的确定是系统辨识的重要一步,在此问题中存在着模型复杂度与精度之间的权衡。采用多目标进化算法,获得了Pareto最优意义下的候选RBF网络结构。讨论了具有Pareto最优结构的RBF网络在系统辨识中的应用。对非线性动态系统进行了数值模拟,验证了该方法的适用性。
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引用次数: 16
Combining Aspiration Level Methods in Multi-objective Programming and Sequential Approximate Optimization using Computational Intelligence 基于计算智能的多目标规划与序列近似优化的期望水平方法结合
H. Nakayama, Y. Yun
Since Pareto optimal solutions in multi-objective optimization are not unique but makes a set, decision maker (DM) needs to select one of them as a final decision. In this event, DM tries to find a solution making a well balance among multiple objectives. Aspiration level methods support DM to do this in an interactive way, and are very simple, easy and intuitive for DMs. Their effectiveness has been observed through various fields of practical problems. One of authors proposed the satisficing trade-off method early in '80s, and applied it to several kinds of practical problems. On the other hand, in many engineering design problems, the explicit form of objective function can not be given in terms of design variables. Given the value of design variables, under this circumstance, the value of objective function is obtained by some simulation analysis or experiments. Usually, these analyses are computationary expensive. In order to make the number of analyses as few as possible, several methods for sequential approximate optimization which make optimization in parallel with model prediction has been proposed. In this paper, we form a coalition between aspiration level methods and sequential approximate optimization methods in order to get a final solution for multi-objective engineering problems in a reasonable number of analyses. In particular, we apply mu-nu-SVM which was developed by the authors on the basis of goal programming. The effectiveness of the proposed method was shown through some numerical experiments.
由于多目标优化中的Pareto最优解不是唯一的,而是一个集合,因此决策者需要从中选择一个作为最终决策。在这种情况下,DM试图找到一个解决方案,在多个目标之间取得良好的平衡。期望级方法支持DM以交互的方式完成此工作,并且对于DM来说非常简单、容易和直观。通过各个领域的实际问题,观察了其有效性。早在80年代,就有学者提出了满意权衡法,并将其应用到实际问题中。另一方面,在许多工程设计问题中,目标函数的显式形式无法用设计变量来表示。在给定设计变量值的情况下,通过一些仿真分析或实验得到目标函数的值。通常,这些分析的计算成本很高。为了使分析次数尽可能少,提出了几种并行优化与模型预测的顺序近似优化方法。为了在合理的分析次数下得到多目标工程问题的最终解,本文将期望水平法与序列近似优化法结合起来。特别地,我们应用了作者在目标规划的基础上开发的mu-nu支持向量机。数值实验表明了该方法的有效性。
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引用次数: 1
Obtaining robust decisions under uncertainty by sensitivity analysis on OWA operator 通过对OWA算子的敏感性分析,获得不确定条件下的鲁棒决策
M. Zarghami, R. Ardakanian, F. Szidarovszky
The successful design and application of the ordered weighted averaging (OWA) method as a decision making tool depends on the efficient computation of its order weights. The most popular methods for determining the order weights are the fuzzy linguistic quantifiers approach and the minimal variability methods which give different behavior patterns for OWA. These methods will be compared by using sensitivity analysis on the outputs of OWA with respect to the optimism degree of the decision maker. The theoretical results are illustrated in a water resources management problem. The fuzzy linguistic quantifiers approach gives more information about the behavior of the OWA outputs in comparison to the minimal variability method. However, in using the minimal variability method, the OWA has a linear behavior with respect to the optimism degree and therefore it has better computation efficiency. A simulation study is also reported in this paper, where the dependence of the optimal decision on the uncertainty level is examined. Also based on obtained sensitivity measure, a new combined measure of goodness has been defined to have more reliability in obtaining optimal solutions
有序加权平均(OWA)方法作为一种决策工具的成功设计和应用取决于其阶权的高效计算。最常用的确定顺序权重的方法是模糊语言量词方法和最小可变性方法,它们给出了OWA的不同行为模式。这些方法将通过对OWA的输出相对于决策者的乐观程度的敏感性分析进行比较。最后以一个水资源管理问题为例说明了理论结果。与最小可变性方法相比,模糊语言量词方法提供了更多关于OWA输出行为的信息。而在最小变率法中,OWA对乐观度呈线性关系,因此具有较好的计算效率。本文还进行了仿真研究,研究了最优决策对不确定性水平的依赖关系。在得到灵敏度测度的基础上,定义了一种新的组合优度测度,使其在求最优解时具有更高的可靠性
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引用次数: 6
A Decision Making Framework for Dressing Consultant 着装顾问决策框架
Ching-I Cheng, D. Liu
The project, Dressing Consultant, aims to provide a system which functions as a personal wearing advisor to help general users choose a correct clothing for occasions. ALCOVE (attention learning covering network) neural network model is used to train the matchmaker as a fashion editor. In addition, image processing techniques are employed at pre-processing stage to obtain the essential data of garments and to build a digital wardrobe for individuals. On the occasions when user has trouble finding an outfit for a special event, what user could do is to make a decision of the style of apparel to the system and let the system go through piece of garments in the digital wardrobe, and the matchmaker will then find several matched pairs. Eventually, the most similarly suitable and matched garments pair is shown in 3D show room. This paper focuses on making decision of correct clothing according to those classifying and matching rules extracted from fashion industry
这个名为“穿衣顾问”的项目旨在提供一个作为个人着装顾问的系统,帮助普通用户在不同场合选择正确的服装。采用注意学习覆盖网络(ALCOVE)神经网络模型,将媒人训练为时尚编辑。此外,在预处理阶段采用图像处理技术,获取服装的基本数据,构建个人的数字衣橱。当用户在寻找特殊场合的服装时遇到困难时,用户可以做的是向系统做出服装风格的决定,让系统在数字衣柜中挑选一件衣服,然后媒人会找到几对匹配的衣服。最终,最相似、最匹配的服装在3D展示厅中展示。本文的重点是根据从时尚行业中提取的分类和匹配规则进行正确的服装决策
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引用次数: 8
期刊
2007 IEEE Symposium on Computational Intelligence in Multi-Criteria Decision-Making
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