臺灣博碩士論文加值系統

為了讓網路學習營造如同在教室上課的氣氛，強化合作學習的功能，增強學習者間的網路社交活動，勢必需要一種機制，讓學習者知道學習伙伴的存在，以利於學習者間的溝通。如果缺乏這層機制，則學習者必須先行進入聊天室，運氣好時，有其他學習者已經在聊天室討論，則可以參與討論；否則，當沒有人在聊天室時，也只能透過留言版或電子郵件來提出問題，然後等待回答了。當學習者於學習上遇到問題時，透過這機制能即時邀請其他學習伙伴或助教進入聊天室或電子白版一起討論。
本研究所實作的「訊息代理人」，目的是來完成這一學習者間的互動機制，作為學習者進入聊天室討論的先前搓合媒介，透過網路教學平台上的「訊息代理人」，提供線上學習者的背景資料，以協助學習者能快速的找到可以立即討論的學習伙伴，以營造及增進合作學習的功能，並增強學習者間的網路社交層面，提升整體學習成效。本研究以JAVA程式語言為開發訊息代理人的工具，搭配JADE代理人開發平台及CORBA分散式架構，來實作訊息代理人系統，可作為未來網路教學平台持續擴充代理人功能的基礎。
本研究的主要貢獻有二，一為增強即時互動機制，讓學習者可以跟相同興趣的學習者進行即時溝通；二為建立異質化網路教學平台資料庫，實現網路教學平台資料庫透明化服務。

第一章 緒論 1
第一節 研究背景 1
第二節 研究動機 2
第三節 研究目的 3
第四節 研究限制 4
第二章 代理人 5
第一節 前言 5
第二節 代理人的WHAT認知層面 6
第三節 代理人的WHEN認知層面 17
第四節 代理人的WHERE認知層面 18
第五節 代理人的HOW認知層面 19
第六節 代理人的WHO認知層面 35
第七節 個案討論 36
第八節 本章結論 39
第三章 研究工具 43
第一節 JAVA 43
第二節 JAVA RMI 45
第三節 CORBA 46
第四節 VisiBroker for JAVA 50
第五節 Voyager 51
第六節 JADE 52
第七節 本章結論 59
第四章 系統規劃 61
第一節 網路教學平台介紹 61
第二節 異質化網路教學平台資料庫架構規劃 65
第三節 訊息代理人系統架構規劃 66
第五章 系統設計實作 73
第一節 系統設計 73
第二節 系統測試 75
第六章 結論及後續研究工作 79
第一節 結論 79
第二節 系統實作所遇到的問題 80
第三節 後續研究工作 80
參考文獻 81
附錄A idl實做程式碼摘錄 85
附錄B 登錄首頁jsp碼摘錄 87
附錄C　登錄成功新增代理人之jsp碼摘錄 88
附錄D　訊息代理人JAVA程式碼摘錄 89
附錄E　傳送代理人使用者介面jsp摘錄 91

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