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Realizing the NOSHAPE MAS Organizational Model: An Operational View 实现NOSHAPE MAS组织模型:一个操作视图
Pub Date : 2015-04-01 DOI: 10.4018/IJATS.2015040103
Hosny A. Abbas
Dynamic reorganization of multi-agent systems MAS is currently an interesting and active research area. New emerging concepts such as self-organization and emergence are also getting great focus by MAS research community because of their captivating benefits for engineering complex large-scale MAS applications. Dynamic reorganization is considered as an effective way for building adaptive MAS. This paper provides an operational view of the conceptually proposed NOSHAPE dynamic organizational model for dynamically reorganized multi-agent systems Abbas, 2014. The operational view concerns possible design decisions, implementation issues, and suggested usage of the NOSHAPE model for practically engineering real life applications. This paper also identifies the possible solutions to be applied throughout the system design to resolve these concerns.
多智能体系统的动态重组是当前研究的热点。自组织和涌现等新兴概念也因其在工程复杂的大规模MAS应用中具有诱人的优势而受到MAS研究界的关注。动态重组被认为是构建自适应MAS的有效途径。本文为动态重组的多智能体系统提供了概念性的NOSHAPE动态组织模型的操作视图(Abbas, 2014)。操作视图关注可能的设计决策、实现问题,并建议将NOSHAPE模型用于实际工程中的实际应用。本文还确定了在整个系统设计中应用的可能的解决方案,以解决这些问题。
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引用次数: 9
Design and Development of a Multi-Agent E-Learning System 多智能体电子学习系统的设计与开发
Pub Date : 2015-04-01 DOI: 10.4018/IJATS.2015040102
T. Kristensen, M. Dyngeland
In this paper the authors present the design and software development of an E-learning system based on a multi-agent MAS architecture. The multi-agent architecture is established on the client-server model. The MAS architecture is combined with the Dynamic Content Manager DCM model of E-learning developed at Bergen University College, Norway. The authors first present the quality requirements of the system before they describe the architectural decisions taken. They then evaluate and discuss the benefits of using a multi-agent architecture. Finally, the MAS architecture is compared with a pure service-oriented architecture SOA to observe that a MAS architecture has a lot of the same qualities as this architecture, in addition to some new ones.
本文介绍了一个基于多智能体MAS架构的电子学习系统的设计和软件开发。在客户端-服务器模型上建立了多代理体系结构。MAS架构与挪威卑尔根大学学院开发的电子学习动态内容管理器DCM模型相结合。作者在描述所采取的体系结构决策之前,首先提出了系统的质量需求。然后,他们评估和讨论使用多代理体系结构的好处。最后,将MAS体系结构与纯面向服务的体系结构SOA进行比较,观察到MAS体系结构除了一些新的特性外,还具有许多与此体系结构相同的特性。
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引用次数: 4
Agent-Based Simulation and Modeling for Service Allocation in Digital Manufacturing Market 基于agent的数字化制造市场服务分配仿真与建模
Pub Date : 2015-04-01 DOI: 10.4018/IJATS.2015040101
M. Dabbaghianamiri, F. Ameri, J. Jimenez
Manufacturing supply chains are increasingly becoming agile to keep up with the rapid changes in the market. Ability to assess and select new suppliers quickly is a necessity for rapid formation of agile supply chains. The Digital Manufacturing Market DMM was proposed as a virtual market for trading manufacturing services. In the DMM, buyers and sellers are represented by intelligent software agents. The DMM enables autonomous deployment of service-oriented supply chains from a pool of suppliers that are distributed geographically. In this paper, a simulated model of the DMM is proposed and implemented. The objective is to evaluate the performance of the market under different scenarios. The metrics used for evaluating the performance of the market include average customer wait time, utilization rate of the suppliers in the system, the number of matched services in a given time period, and the overall score of the created supply chains. The results show that a combination of dynamic capacity adjustment and discount policy improves the performance of the market.
制造业供应链越来越灵活,以跟上市场的快速变化。快速评估和选择新供应商的能力是快速形成敏捷供应链的必要条件。数字制造市场(DMM)是制造服务交易的虚拟市场。在DMM中,买卖双方由智能软件代理代表。DMM支持从地理上分布的供应商池中自主部署面向服务的供应链。本文提出并实现了DMM的仿真模型。目的是评估市场在不同情况下的表现。用于评估市场绩效的指标包括平均客户等待时间、系统中供应商的利用率、给定时间段内匹配服务的数量以及创建的供应链的总体得分。结果表明,动态容量调整与折扣政策相结合,可以提高市场绩效。
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引用次数: 2
Hierarchical Design Method for Multi-Agent Systems 多智能体系统的分层设计方法
Pub Date : 2015-04-01 DOI: 10.4018/IJATS.2015040104
Bouneb. Messaouda, S. D. Eddine
This paper proposes a new hierarchical design method for the specification and the verification of multi agent systems MAS. For this purpose, the authors propose the model of Refinable Recursive Petri Nets RRPN under a maximality semantics. In this model, a notion of undefined transitions is considered. The underlying semantics model is the Abstract Maximality-based Labeled Transition System AMLTS. Hence, the model supports a definition of a hierarchical design methodology. The example of goods transportation is used for illustrating the approach. For the system assessment, the properties are expressed in CTL logic and verified using the verification environment FOCOVE Formal Concurrency Verification Environment.
提出了一种新的多智能体系统规范与验证的分层设计方法。为此,作者提出了极大性语义下的可细化递归Petri网RRPN模型。在这个模型中,考虑了未定义转换的概念。其底层语义模型是基于抽象最大值的标记转换系统(AMLTS)。因此,该模型支持分层设计方法的定义。以货物运输为例来说明这种方法。对于系统评估,属性用CTL逻辑表示,并使用验证环境FOCOVE正式并发验证环境进行验证。
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引用次数: 1
Simulation Based Design for Adaptive Multi-Agent Systems with the ADELFE Methodology 基于仿真的ADELFE自适应多智能体系统设计
Pub Date : 2015-01-01 DOI: 10.4018/ijats.2015010101
W. Mefteh, F. Migeon, M. Gleizes, F. Gargouri
Complex systems are qualified by the heterogeneity of the involved actors, the large mass of data, the distribution of the manipulated information and the dynamic of the environment in which they are immersed. Designing such systems necessitate theory and methodology. This paper is situated in the AMAS theory and the ADELFE methodology. The AMAS theory Adaptive Multi-Agent System was proposed to model complex systems. The ADELFE methodology was proposed to guide the AMAS designer. Building AMAS systems is not an easy task. The objective of the authors' work is to make the task of the AMAS designer less difficult. This paper details two main contributions that the authors proposed in this field. The first contribution consists in improving the ADELFE methodology by simulation techniques. The second contribution consists in enhancing the AMAS agent behavior by giving it the ability to self-design.
复杂系统的特点是参与者的异质性、大量的数据、被操纵信息的分布以及所处环境的动态性。设计这样的系统需要理论和方法。本文以AMAS理论和ADELFE方法为背景。针对复杂系统建模问题,提出了自适应多智能体系统(AMAS)理论。提出了ADELFE方法来指导AMAS的设计者。建立AMAS系统不是一件容易的事。作者工作的目的是使AMAS设计者的任务不那么困难。本文详细介绍了作者在该领域提出的两个主要贡献。第一个贡献是通过模拟技术改进ADELFE方法。第二个贡献在于通过赋予AMAS智能体自我设计的能力来增强其行为。
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引用次数: 5
Simulation of Skulduggery in a Multi-Agent System 多智能体系统中欺诈行为的仿真
Pub Date : 2015-01-01 DOI: 10.4018/ijats.2015010102
Rasoul Ramezanian, Akram Emdadi
In a testing session, students may want to use the information of other students, which is cheating. The authors of this paper develop an artificial society to model and simulate this situation. They consider two control factors to increase the incentive of students to not cheat. The first factor is the penalty for similarity between responses as much as two answer-sheets of two students are the same, their final grades decrease. The second factor is the observers who look into the students and do not allow the observed students to cheat. In this model, agents participate in a test based on their level of knowledge, location and two above factors, deciding whether or not to cheat. These components are used to formulate the utility function. Taking advantage of the developed artificial society, the authors now study the above factors affecting the amount of cheating in a test session.
在考试中,学生可能想要使用其他学生的信息,这是作弊。本文的作者开发了一个人工社会来模拟和模拟这种情况。他们考虑了两个控制因素来增加学生不作弊的动机。第一个因素是对答案相似度的惩罚,如果两个学生的两张答题纸相同,他们的最终成绩就会下降。第二个因素是观察学生的观察员,不允许被观察的学生作弊。在这个模型中,代理人根据他们的知识水平、位置和上述两个因素参与一个测试,决定是否作弊。这些组件用于表示效用函数。利用发达的人工社会,作者现在研究了上述影响考试作弊数量的因素。
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引用次数: 0
Behavioral Modeling of Multi Agent System: High Level Petri Net Based Approach 多智能体系统行为建模:基于高级Petri网的方法
Pub Date : 2015-01-01 DOI: 10.4018/ijats.2015010104
R. K. Chatterjee, N. Neha, A. Sarkar
Modeling interactions between agents and the Multi-Agent System MAS behavior based on role based collaboration among the participating agents are the key factors to design of effective MAS dynamics. In this paper, a High level Multi Agent Petri Net called HMAP has been proposed which is capable of describing, analyzing and modeling dynamics of such MAS which are characterized as asynchronous, distributed, parallel and non-deterministic agent based systems. Proposed HMAP is also effective towards modeling roles, collaborations and interactions among the heterogeneous agents in MAS environment. Moreover the HMAP is useful in formal analysis of several behavioral properties of MAS like, Reachability, Home properties, Boundedness, Liveness and Fairness. The proposed mechanism has been illustrated using a suitable case study of Medical Emergency System. Moreover, to further validate the proposed concepts of HMAP, it has been simulated using Color Petri Net based tool called CPN Tool, with some restriction.
基于角色协作的智能体交互建模和多智能体系统MAS行为是设计有效MAS动力学的关键因素。本文提出了一种高级多智能体Petri网(HMAP),能够描述、分析和建模异步、分布式、并行和不确定性智能体系统的动态。所提出的HMAP对于MAS环境中异构agent之间的角色、协作和交互建模也是有效的。此外,HMAP还可用于形式化分析MAS的一些行为属性,如可达性、归属属性、有界性、活跃性和公平性。本文以医疗急救系统为例,对所提出的机制进行了说明。此外,为了进一步验证所提出的HMAP概念,使用基于彩色Petri网的CPN工具对其进行了仿真,并进行了一些限制。
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引用次数: 6
Integrating Multi-View Model and Agent Paradigm in the Supply Chain Design 供应链设计中多视图模型与Agent范式的集成
Pub Date : 2015-01-01 DOI: 10.4018/ijats.2015010103
Souheila Boudouda, Mahmoud Boufaïda
The aim of the presented work is to contribute to the field of the supply chain design that spans multiple organizations. It is based on a methodological approach that outlines two main results: a conceptual model and an operational one. These two models take into account the different characteristics and mechanisms of the supply chain. The conceptual level is based on four views: product, organizational, functional and informational. At this level, a meta-model that contains the basic generic concepts of the supply chain is proposed. The operational level uses the agent paradigm to model the different actors of the supply chain and the relationships between them. According to the characteristics of supply chains, a negotiation protocol between the different agents is presented. Simulations prove that the presented negotiation protocol can increase the efficiency and successful cooperation ratio for supply chain negotiation.
所提出的工作的目的是为跨多个组织的供应链设计领域做出贡献。它基于一种方法方法,概述了两个主要结果:概念模型和操作模型。这两种模型考虑了供应链的不同特征和机制。概念层基于四个视图:产品、组织、功能和信息。在这个层次上,提出了一个包含供应链基本通用概念的元模型。操作层使用代理范式对供应链的不同参与者及其之间的关系进行建模。根据供应链的特点,提出了不同代理之间的协商协议。仿真结果表明,所提出的协商协议能够提高供应链协商的效率和合作成功率。
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引用次数: 1
Consumer Choice and Aggregate Demand: An ABM Approach to Understanding the Impacts of Satisficing Behavior 消费者选择与总需求:一种理解满足行为影响的ABM方法
Pub Date : 2014-10-01 DOI: 10.4018/ijats.2014100101
Omid Roozmand, Dg Webster
Satisficing behavior is one of the most important subjects in consumer behavior studies. Satisficing consumers select any affordable bundle of items with utility larger than their satisfaction threshold. This contrasts to maximizing behavior, where the consumer selects the bundle of items with the highest possible utility within his or her budget constraint. The authors hypothesize that, all else equal, satisficers will purchase more goods overall when compared with maximizers. Furthermore, satisficers will also purchase more disposable rather than durable goods because they are less concerned with maximizing the total value of their purchases. To test these hypotheses, an agent-based model of consumer behavior has been developed that allows for decision making based on either satisficing or maximizing rules. Satisficer agents use a modified genetic algorithm to find a satisficing bundle. Maximizer agents apply dynamic programming to find the best bundle of items. The aggregated results of consumer agents’ purchases support aforementioned hypotheses when consumers select from three types of products: 1) cheap disposable, 2) cheap durable, and 3) expensive durable. The hypotheses also hold when a more realistic set of items is constructed based on the common economic assumption that supply curves are upward sloping. In this latter case, consumers choose bundles from a total of 5 types of items, each of which differs in price, quality, and durability. Consumer Choice and Aggregate Demand: An ABM Approach to Understanding the Impacts of Satisficing Behavior
满意行为是消费者行为研究的重要课题之一。满意的消费者会选择任何价格合理且效用大于满意阈值的商品。这与最大化行为形成对比,在最大化行为中,消费者选择在其预算限制内具有最高可能效用的商品包。作者假设,在其他条件相同的情况下,总体而言,满足者会比最大化者购买更多的商品。此外,满足者也会购买更多的一次性用品,而不是耐用品,因为他们不太关心最大化他们购买的总价值。为了验证这些假设,一个基于代理的消费者行为模型已经被开发出来,该模型允许基于满足或最大化规则的决策。满意代理使用一种改进的遗传算法来找到一个满意的包。最大化代理应用动态规划来找到最佳的项目集。当消费者从三种类型的产品中进行选择时,消费者代理购买的汇总结果支持上述假设:1)廉价一次性产品,2)廉价耐用产品,3)昂贵耐用产品。当基于供给曲线向上倾斜的共同经济假设构建一组更现实的项目时,这些假设也成立。在后一种情况下,消费者从总共5种类型的物品中选择捆绑包,每种类型的价格、质量和耐用性都不同。消费者选择与总需求:一种理解满足行为影响的ABM方法
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引用次数: 1
Applications of Intelligent Agents in Mobile Commerce: A Review 智能代理在移动商务中的应用综述
Pub Date : 2014-10-01 DOI: 10.4018/ijats.2014100103
S. Sankaranarayanan, S. Ganesan
Mobile phone usage and its adoption have been growing at exponential rates. It is this exponential growth rate that has led many to predict Mobile Commerce (M-Commerce) as the next major evolution of Electronic Commerce (E-Commerce). While M-Commerce comes rich with unique features, it is currently lacking in usage when compared to traditional e-commerce. There are many challenges that must be addressed in this respect. These challenges are mostly inherent in the mobile devices, communication network, legal and regulatory infrastructure. The use of agents in e-commerce has long been explored in the context, resulting in a number of agent based e-commerce systems. It is not surprising then to note that many researchers believe that the problems that the M-Commerce now faces can be addressed well using agent technology. While there is an abundance of information on the use of agent based systems in other areas, there has been no great surge yet in the use of agent based systems in real world M-Commerce applications. The authors believe that this slow adoption of this agent technology is due to a lack of standards. There has been a quite an amount of research work carried out in the use of software intelligent agents in the M-Commerce applications like Shopping, Hotel, and Airline industries. These are outlined in the paper with appropriate screenshots and descriptions.
移动电话的使用和采用一直在以指数级的速度增长。正是这种指数级的增长速度使得许多人预测移动商务(M-Commerce)将成为电子商务(E-Commerce)的下一个主要演变。虽然移动商务具有丰富的独特功能,但与传统电子商务相比,目前移动商务的使用率还很低。在这方面有许多挑战必须加以解决。这些挑战主要存在于移动设备、通信网络、法律和监管基础设施中。代理在电子商务中的应用早已在这一背景下进行了探索,产生了许多基于代理的电子商务系统。因此,毫不奇怪,许多研究人员认为,移动商务现在面临的问题可以通过代理技术很好地解决。虽然在其他领域有大量关于使用基于代理的系统的信息,但在现实世界的移动商务应用中使用基于代理的系统还没有出现很大的增长。作者认为,这种代理技术的缓慢采用是由于缺乏标准。在购物、酒店和航空等移动商务应用中,软件智能代理的使用已经进行了相当多的研究工作。这些在论文中有适当的截图和描述。
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引用次数: 1
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International journal of agent technologies and systems
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