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中文論文名稱 重複利用性於學習元件儲存體之探討 — 以CORDRA為基礎的課程儲存系統
英文論文名稱 Reusability on Learning Object Repository — A CORDRA-Based Repository System
校院名稱 淡江大學
系所名稱(中) 資訊工程學系碩士班
系所名稱(英) Department of Computer Science and Information Engineering
學年度 94
學期 2
出版年 95
研究生中文姓名 鄒孟廷
研究生英文姓名 Mon-Tin Tzou
學號 693190786
學位類別 碩士
語文別 中文
口試日期 2006-06-01
論文頁數 80頁
口試委員 指導教授-施國琛
委員-施國琛
委員-林慧珍
委員-楊錦潭
中文關鍵字 儲存體  元資料  CORDRA  遠距教學 
英文關鍵字 Repository  meta-data  CORDRA  Distance Learning 
學科別分類 學科別應用科學資訊工程
中文摘要 儲存體為儲存電子檔案的系統,必須能夠管理內容物件及其描述資料,並能夠在標準之間有一定的相容程度。美國Advanced Distributed Learning Initiative提出CORDRA架構,希望透過此架構讓學習元件能夠被發現與重複使用。本研究實做一個CORDRA架構的系統,稱為MINE Registry,提供使用者註冊SCORM標準的課程,系統會紀錄此課程的描述資料,儲存課程,並記錄課程重複使用的關係。透過搜尋引擎找到符合條件的學習元件及重複使用的關係。
學習元件在搜尋時必須根據描述資料搜尋,課程設計者常忽略編輯描述資訊,透過Meta-data Wizard可以幫助課程編輯者在製作課程時自動填入課程的某些描述資訊,減少課程設計者的負擔。
英文摘要 Repository is a system which stores electronic files. The basic requirements are Meta-data Management, Content Management and Interoperability. Advanced Distributed Learning Initiative proposes CORDRA architecture which can register learning content and raise the reusability of content. In this research, a CORDRA-based repository system, named MINE Registry, is implemented. MINE Registry provides a portal for users to register SCORM-compatible courses. Not only the meta-data will be stored, but the reusability tree will be built. The Search Engine retrieves content and reusability trees which fit the search criteria.
The meta-data is necessary if a repository system wants to search for content. The editing of meta-data is often ignored by course developer. This study constructs a Metadata Wizard based on Deduction Engine to fill in metadata automatically. Not only the completeness of meta-data in SCORM specification can be achieved but also the total costs in meta-data generation can be reduced.
論文目次 目錄
第一章 緒論............................................................................................................1
1.1 研究動機與目的........................................................................................1
1.2 系統簡介....................................................................................................3
1.3 論文架構....................................................................................................4
第二章 背景知識....................................................................................................6
2.1 Repository..................................................................................................6
2.2 CORDRA...................................................................................................7
2.2.1 Handle System ...............................................................................9
2.3 SCORM....................................................................................................12
2.3.1 課程結構......................................................................................13
2.3.2 LOM.............................................................................................15
第三章 系統架構與分析......................................................................................22
3.1 MINE Registry.........................................................................................22
3.1.1 系統架構......................................................................................22
3.1.2 系統服務......................................................................................24
3.2 Meta-data Wizard.....................................................................................30
3.2.1 Meta-data 之分析........................................................................30
3.2.2 Meta-data Wizard Framework .....................................................32
第四章 系統實做..................................................................................................35
4.1 開發工具與環境......................................................................................35
4.2 系統架構實做..........................................................................................38
4.2.1 MINE Registry.............................................................................38
4.2.2 Meta-data Wizard.........................................................................55
第五章 結論與未來展望......................................................................................63
5.1 結論..........................................................................................................63
5.2 未來發展..................................................................................................64
參考文獻......................................................................................................................66
附錄一 Meta-data 條件及推導表............................................................................67
附錄二 英文論文......................................................................................................76

圖目錄
圖 2 - 1 CORDRA Architecture ....................................................................................9
圖 2 - 2 Handle 結構示意圖.......................................................................................11
圖 2 - 3 Handle System Architecture ..........................................................................12
圖 2 - 4 PIF Format.....................................................................................................14
圖 2 - 5 CO, Activity 的Meta-data[6]........................................................................16
圖 2 - 6 SCO, Asset 的meta-data[6] ..........................................................................17
圖 3 - 1 MINE Registry 架構圖.................................................................................23
圖 3 - 2 註冊程序......................................................................................................27
圖 3 - 3 搜尋程序......................................................................................................29
圖 3 - 4 Meta-data Wizard Framework.......................................................................32
圖 4 - 1 WSDL............................................................................................................40
圖 4 - 2 Content Object Registry 之UML .................................................................44
圖 4 - 3 註冊介面一..................................................................................................48
圖 4 - 4 註冊介面二..................................................................................................49
圖 4 - 5 註冊結果......................................................................................................49
圖 4 - 6 搜尋介面......................................................................................................50
圖 4 - 7 Reusability Tree 建構流程圖........................................................................51
圖 4 - 8 Reusability Tree based on meta-data .............................................................53
圖 4 - 9 Reusability Tree based on object...................................................................54
圖 4 - 10 Meta-data Wizard 之UML..........................................................................56
圖 4 - 11 Meta-data Editor Interface...........................................................................59
圖 4 - 12 User Profile 介面.........................................................................................60
圖 4 - 13 回答問題介面.............................................................................................60
圖 4 - 14 問題設計介面.............................................................................................60
圖 4 - 15 推導規則設計介面....................................................................................61
圖 4 - 16 Meta-data Wizard 介面...............................................................................62

表目錄
表 3 - 1 SCORM Meta-data 元件必備表...................................................................31
表 4 - 1 實驗硬體規格..............................................................................................35
表 4 - 2 Content Server 的資料表..............................................................................41
表 4 - 3 Master Catalog 的資料表..............................................................................42
表 4 - 4 meta-data 之XPath .......................................................................................46
表 4 - 5 OID-MID 資料表..........................................................................................47
表 4 - 6 新舊MID 資料表........................................................................................52
表 4 - 7 OID-MID 範例..............................................................................................53
表 4 - 8 新舊MID 範例............................................................................................53
參考文獻 [1] ADL Technical Team, CORDRA, http://cordra.net/
[2] Handle System, http://www.handle.net/
[3] S. Sun, L. Lannom, B. Boesch, Handle System Overview (RFC
3650), http://www.ietf.org/rfc/rfc3650.txt
[4] S. Sun, S. Reilly, L. Lannom, Handle System Namespace and
Service Definition (RFC 3651),
http://www.ietf.org/rfc/rfc3651.txt
[5] Advanced Distributed Learning, Sharable Content Object
Reference Model 2004 2nd Edition Overview,
http://www.adlnet.org/
[6] Advanced Distributed Learning, Sharable Content Object
Reference Model Content Aggregation Model (CAM) Version
1.3.1, http://www.adlnet.org/
[7] IEEE 1484.12.1-2002 Learning Object Meta-data Standard.
http://www.ieee.org/
[8] World Wide Web Consortium, Web Services Description
Language (WSDL) 1.1, http://www.w3.org/
[9] N. Freed, N. Borenstein, Multipurpose Internet Mail Extensions
(MIME) Part Two: Media Types (RFC2046),
http://www.ietf.org/rfc/rfc2046.txt
[10] World Wide Web Consortium, XML Query (XQuery),
http://www.w3.org/
[11] World Wide Web Consortium, XML Path Language (XPath),
http://www.w3.org/
[12] Sergey Brin, Lawrence Page, The Anatomy of a Large-Scale
Hypertextual Web Search Engine, WWW7
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