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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/8665


    Title: 以可能性派翠網路為基礎之服務搜尋機制;Possibilistic Petri Nets-Based Service Discovery Mechanism
    Authors: 鄒修銘;Shiou-Ming Tso
    Contributors: 資訊工程研究所
    Keywords: 可能性派翠網路;派翠網路;網路服務;代理人;中間代理人;語意網;部分配對;知識本體;服務搜尋;semantic web;ontology;partial match;ASDL;possibilistic petri net;agent;web services;petri net;middle agent;matchmaking;service discovery
    Date: 2003-07-10
    Issue Date: 2009-09-22 11:32:38 (UTC+8)
    Publisher: 國立中央大學圖書館
    Abstract: 在以服務為導向之代理人架構中,代理人可透過中間代理人(Middle Agent)配對服務,而服務可以代理人服務或網路服務兩種形式遞送。為了搜尋服務,必須在中間代理人上開發配對引擎。本論文提出一個以可能性派翠網路(Possibilistic Petri Nets,PPN)為基礎之服務搜尋機制,作為中間代理人之配對方法。本系統使用以下特性建造配對機制:利用possibilistic transitions代表一個需求或服務,input places代表服務條件,而necessity則代表服務的匹配程度,並以此為理論基礎,開發出中間代理人,展現服務之部份配對(partial match)能力。此外,本論文亦提出一個將代理人服務與網路服務整合之方法,使網路服務亦能納入此中間代理人之搜尋空間。 In the service-oriented framework with agent, agents make requests for services through middle agents and services can be delivered by either agent services or web services. In order to discover services, a matching engine should be developed in middle agent. In this paper, a PPN-based (Possibilistic Petri Nets) matchmaking mechanism is proposed as a matching methodology in middle agent. We use the following features to build up the matchmaking mechanism: possibilistic transitions to represent a service or a request; input places to denote service conditions; and necessity measures to quantify the matching levels that an agent can provide the service for a request. A matching engine based on PPN has also been developed in middle agent to demonstrate service discovery capability. We also proposed a methodology that integrated the agent framework with Web Service platform.
    Appears in Collections:[資訊工程研究所] 博碩士論文

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