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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/8855

    Title: 多代理人系統中複合服務代理人的設計與實作;Design and Implementation of the Composite Service Agent in Multi-Agent Systems
    Authors: 張育銘;Yu-ming Chang
    Contributors: 資訊工程研究所
    Keywords: 電子商務;多代理人系統;複合服務;代理人;agent;muliti-agent system;composite service
    Date: 2004-07-05
    Issue Date: 2009-09-22 11:36:25 (UTC+8)
    Publisher: 國立中央大學圖書館
    Abstract: 由於網際網路的興盛,網路服務的發展越來越重要。除了簡單的網路 服務之外,複合服務的需求開始升高,然而目前的複合服務技術大多 是靜態的,無法因應網路環境的改變而改變,同時執行服務的行為都 一樣,不會因為使用者需求不同而有不同的複合服務行為。除了網路 服務之外,代理人服務也開始受到重視,然而目前的複合服務技術大 多針對某一種特定種類的服務,而不能同時使用多種不同種類服務來 合成複合服務。本論文將會提出一個基於PPN(Probabilistic Petri-Net) 整合SOA(Service Oriented Architecture)的MAS(Multi-Agent Systems) 系統的複合服務代理人架構,這個架構利用我們擴充的Contract Net Protocol 來與會使用到的服務簽訂合約,等到複合服務代理人實際被 使用者呼叫時,就會利用PPN 找出適合服務組合來執行複合服務。 我們也擴充了BPEL4WS 為BPEL4WS/AS,使之能夠同時使用網路 服務與代理人服務來組成複合服務。 Due to the raise of the Internet, the development of web services has become essential. Except for simple web services, the need of composite services starts to increase. The composing methods used in existing composite service technologies are mostly static, so it can not change while the network environment changes. Current composite service technologies always perform the same action to complete the composite service regardless of the user needs. In addition to web services, agent services have also attracted an increasing attention, but present composite service technologies usually focus on a single kind of service and can not compose different kinds of services. In this paper, we proposed a framework for composite service agents under PPN(Probabilistic Petri-Net)-based MAS(Multi-Agent Systems) which integrates SOA(Service Oriented Architecture). We extend the Contract Net Protocol to make contracts with services. When a user sends a request to the composite service agent, it will query PPN-based middle agent to find matched services for composing services. We also extends BPEL4WS engine to BPEL4WS/AS engine that can be used to compose both web services and agent services.
    Appears in Collections:[資訊工程研究所] 博碩士論文

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