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研究生:曾瑞敏
研究生(外文):Jui-min Tseng
論文名稱:學習者為中心的知識網路學習系統
論文名稱(外文):A learner-centered design supporting learning from the web of knowledge
指導教授:劉晨鐘劉晨鐘引用關係
指導教授(外文):Chen-Chung Liu
學位類別:碩士
校院名稱:國立中央大學
系所名稱:網路學習科技研究所
學門:教育學門
學類:教育科技學類
論文種類:學術論文
論文出版年:2011
畢業學年度:99
語文別:中文
論文頁數:86
中文關鍵詞:概念圖辭彙權重技術關聯法則網路搜尋知識網路內容過濾
外文關鍵詞:Concept mapTF-IDFCollaborative-based filteringContent-based filteringWeb searchingAssociation rulesWeb of Knowledge
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全球網際網路目前已成為學習者獲得知識的一個重要來源地。但是,學習者在使用網路進行相關資訊探索時可能遭遇到許多難題,因此本研究希望建置一個以資料探勘為基底之「學習者為中心的知識網路學習系統」(簡稱「學習者為中心系統」)來協助學習者解決在網路探索活動時所出現的問題。
「學習者為中心系統」主要是結合兩個工具,第一為概念圖,此工具用來幫助學習者管理相關知識、第二為一混合式的資訊過濾與資訊檢索技術,此技術用來幫助學習者處理龐大的資訊量,並找出隱藏在這些資訊量中重要的概念。為了評估此系統如何影響學習者進行網路搜尋,所以本研究實做一實證性研究,受試人員共30人(男15人、女15人),每位受試者分別參加各別兩次實驗.當受試者完成每次實驗後都會填寫相關實驗問卷。研究者藉由分析受試者在不同的兩次實驗環境下進行網路搜尋,所有的網路資訊搜尋行為,發現部分行為有所差異。研究者藉由回收受試者所填寫得實驗問卷進行相關網路搜尋策略向度分析,發現受試者使用「學習者為中心系統」比一般「線上搜尋系統」有較好的效率與成效。
WWW has been become the information places for learners to acquire knowledge. However, learners may encounter many difficulties while exploring the web. This study develops a learner-centered design supporting learning from the web of knowledge to help students to learn during exploring the web of knowledge.
The system combines concept map for knowledge management and a mechanism for filtering recommendation. To evaluate how and to what extent the system affects students in explorative learning; an empirical experiment with participants of 30 graduate students is conducted. Participants are randomly assigned in two scenarios and their searching process and results of questionnaires are analyzed. The result shows that the system may better benefit students to explore the web more efficiently and effectively than the group of participants without the system. The result also reveals that the participants’ exploring strategies may not vary with the implementation of different systems.
摘要 i
Abstract ii
致謝 iii
表目錄 vi
圖目錄 vii
第1章 緒論 1
1-1 研究背景與動機 1
1-2 研究目的與問題 3
第2章 文獻探討 4
2-1 知識網路學習 4
2-2 推薦系統 5
2-3 學習者為中心系統 7
第3章 系統設計 9
3-1 學習者為中心的知識網路學習系統 10
3-2 概念推薦機制 15
3-3 概念圖 18
第4章 研究方法 25
4-1 研究對象 25
4-2 實驗流程 25
4-3 研究工具 26
4-3-1 ISI 線上知識庫系統(線上搜尋系統) 27
4-3-2 學習者為中心系統 28
4-3-3 網路資訊搜尋行為之錄影分析指標 28
4-3-4 網路資訊搜尋策略之實驗問卷 30
4-3-5 電腦螢幕側錄(Camtasia)軟體 31
4-4 資料收集與分析 32
4-4-1 網路資訊搜尋行為分析方法 32
4-4-2 網路資訊搜尋策略分析方法 35
4-4-3 事後訪談 35
第5章 實驗結果與討論 36
5-1 網路資訊搜尋行為分析與訪談 36
5-1-1 關鍵字搜尋次數 36
5-1-2 不同概念(關鍵字)次數 38
5-1-3 使用邏輯次數 39
5-1-4 重複搜尋策略次數 41
5-1-5 下載論文次數 42
5-1-6 報告引用論文次數 43
5-2 網路資訊搜尋策略問卷分析與訪談 44
5-2-1 行為領域 44
5-2-1-1 控制向度 46
5-2-1-2 迷失向度 47
5-2-2 程序領域 49
5-2-2-1 問題解決策略向度 50
5-2-3 後設認知領域 52
5-2-3-1 有意義的思考向度 53
5-2-3-2 評估向度 55
第6章 結論與建議 58
6-1 結論 58
6-2 研究限制 61
6-3 未來建議 61
參考文獻 62
附錄A 線上搜尋系統實驗注意事項 70
附錄B 學習者為中心系統實驗注意事項 71
附錄C 線上搜尋系統實驗問卷 72
附錄D 學習者為中心系統實驗問卷 74
中文部分
范姜士勳.(2008).“使用資料探勘輔助學習者探索大型資料庫—學習者經驗之研究”.國立中央大學網路學習科技所,未出版,中壢市。
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