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首页> 外文学位 >Protocoles de cooperation dans les systemes multiagents: Une approche basee sur les relations de dependances (French text).
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Protocoles de cooperation dans les systemes multiagents: Une approche basee sur les relations de dependances (French text).

机译：多代理系统中的协作协议：一种基于依赖关系的方法（法语文本）。

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摘要

The combined advance of telecommunication technologies and organizations structures implies the emergence of new information structures. In fact, virtual enterprises and virtual marketplaces are significant examples. These new structures are modeled as using intelligent software agents who interact, cooperate and compete in an open multiagent world.; This thesis presents a co-operation model for multiagent systems based on the utility theory, the dependency relations and the case based reasoning. The model allows an agent to reason on its peers, in particular to determine its relations and situations of dependence and to evaluate the profit relating to a coalition. We consider the integration of a co-operation mechanism, as an essential component in the design of autonomous agents, which are evolving in an open multiagent system. The concept of opening is fundamental for the applications considered in this thesis: virtual enterprises and virtual market-places. By open we mean that agents may enter or leave the agency at any moment.; As in such systems, the organization of the agents can't be conceived during the design phase, the cooperation is based on the dynamic formation of coalition. As we don't suppose that agents are benevolent, our model integrates a negotiation strategy using utility functions and risk evaluation.; To validate the model we have implemented prototypes on the MIAMI and LALO platforms. Mainly, the virtual enterprise building and the virtual market-place MIAMAP have been used for experimental evaluations.; The experimental results show that the model makes a balance between the need of the agents' individual rationality and the need for social coherence in the overall system. In fact, the most obvious consequence for the use of this model, is its capacity to improve the agents' social commitment.; This thesis brings contribution to three inter-linked domains in distributed artificial intelligence: agents' interaction, automated negotiation and conflict resolution, and coalition formation.; From the interaction modeling point of view, the model which we proposed allows to take into account the concept of influence and goals adoption, things absent in the approaches based exclusively on utility.; In regards to the negotiation and resolution of conflicts, we have used a combination of a negotiation strategy based on risk evaluation and the agents' relations of dependency. This combination has led to two significant consequences: on one hand the widening of the set of possible agreements between the agents and on the other hand the emergence of a balance between the individual performance of the agents and the global performance of the system.; With regard to the coalition formation, our model introduces two concepts: the persuasion and the social commitment. The persuasion concept allows an agent to convince by argumentation its partners to adopt its goals and the concept of social commitment allows making a balance between individual rationality and social coherence in the system.
机译：电信技术和组织结构的共同进步意味着新信息结构的出现。实际上，虚拟企业和虚拟市场就是重要的例子。这些新结构被建模为使用在开放的多代理世界中进行交互，合作和竞争的智能软件代理。本文基于效用理论，依赖关系和案例推理，提出了一种多智能体系统的合作模型。该模型允许代理人对同伴进行推理，尤其是确定其关系和依赖情况并评估与联盟有关的利润。我们认为合作机制的集成是自主代理程序设计的重要组成部分，而自主代理程序正在开放的多代理程序系统中发展。开放的概念是本文考虑的应用程序的基础：虚拟企业和虚拟市场。开放是指代理商可以随时进入或离开代理商。像在这样的系统中，无法在设计阶段构想代理的组织，因此合作是基于联盟的动态形成。因为我们不认为代理商是仁慈的，所以我们的模型整合了使用效用函数和风险评估的谈判策略。为了验证模型，我们在MIAMI和LALO平台上实现了原型。虚拟企业建设和虚拟市场MIAMAP主要用于实验评估。实验结果表明，该模型在整个系统中，在主体个体理性的需求与社会一致性的需求之间取得了平衡。实际上，使用此模型最明显的后果是其提高代理人的社会承诺的能力。本文为分布式人工智能中的三个相互联系的领域做出了贡献：代理人的交互，自动协商和冲突解决以及联盟的形成。从交互建模的角度来看，我们提出的模型允许考虑影响力和目标采用的概念，这些都是基于效用的方法中没有的东西。关于谈判和解决冲突，我们结合使用了基于风险评估的谈判策略和代理人的依存关系。这种结合导致了两个重大后果：一方面，代理之间可能达成的协议范围扩大，另一方面，代理的个人绩效与系统的整体绩效之间出现了平衡。关于联盟的形成，我们的模型引入了两个概念：说服力和社会承诺。说服力的概念使代理人能够通过说服说服其合作伙伴采用其目标，而社会承诺的概念则可以使个体理性与系统中的社会一致性保持平衡。

著录项

  • 作者

    Esmahi, Sidi Larbi.;

  • 作者单位

    Ecole Polytechnique, Montreal (Canada).;

  • 授予单位 Ecole Polytechnique, Montreal (Canada).;
  • 学科 Computer Science.
  • 学位 Ph.D.
  • 年度 2000
  • 页码 177 p.
  • 总页数 177
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 自动化技术、计算机技术;
  • 关键词

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