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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/9010

    Title: 遞送進階旅行者資訊服務之設計與實作;Design and Implementation of Delivering Advanced Traveler Information Services
    Authors: 王怡程;Daniel Wang
    Contributors: 資訊工程研究所
    Keywords: 進階旅行者資訊系統;代理人;Agent;Web Service;ATIS
    Date: 2005-07-08
    Issue Date: 2009-09-22 11:39:24 (UTC+8)
    Publisher: 國立中央大學圖書館
    Abstract: 由於旅行者的需求不斷的產生而且變得複雜,研發出功能更強大的進階旅行者資訊系統是必然需要的。然而仍有以下兩個問題須待解決: 1. 如何利用現有的軟體所提供之服務來快速地建立一個有彈性的進階旅行者資訊系統? 2. 如何在有限的資源下有效的執行複雜的服務呢? 為了要解決這些問題,本文提出一套服務遞送機制及遞送最佳化的地理圖層服務。 透過這機制網際服務便可以用動態的方式來傳送,也就是說服務可以藉由代理人技術的力量來主動提供旅行者資訊服務給旅行者,而不需要使用者主動的人為操作。 並且,透過地理圖層的最佳化,有效地降低網路的傳輸量,充分的使用網路頻寬,使得分散式的網際服務能夠更快速地傳送服務結果到旅行者端。 As The complexity of the requirements for Advanced Traveler Information Systems(ATIS) continues to grow, the research towards better and faster development of ATIS is gaining increasing attentions. However, two issues on the delivery of services remain to be addressed: 1. how to quickly build a flexible ATIS to incorporate services that reside in the extant software; and 2. how to perform complex services on the devices of limited resources like on-board PCs. In this paper, we propose a service delivery mechanism based on web services and agent technology to alleviate these issues. Based on the proposed mechanism, a flexible and extensible ATIS can be developed and its services can be delivered in a systematic manner. Based on the proposed performance optimization of delivering map services, the results of map services are delivered fast to user.
    Appears in Collections:[資訊工程研究所] 博碩士論文

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