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研究生： 張昇賀
Sheng-Ho Chang
論文名稱： 設計與實作一個以文件式為基礎且無集中處理的工作流程系統
The Design and Implementation of a Document-based and Non-centralized Workflow Management System
指導教授： 黃冠寰
Hwang, Gwan-Hwan
學位類別： 碩士
Master
系所名稱： 資訊教育研究所
Graduate Institute of Information and Computer Education
論文出版年： 2006
畢業學年度： 94
語文別： 中文
論文頁數： 87
中文關鍵詞： 工作流程 、工作流程管理系統 、參與者 、文件式為基礎 、資訊安全
英文關鍵詞： Workflow, Workflow Management System, Participants, Document-based, Security
論文種類： 學術論文
相關次數： 點閱：238  下載：8 
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    • 工作流程管理系統(WfMS, Workflow Management System)是一套自動協調溝通參與者(Participants)共同處理文件、資訊或工作的系統，以達到商業自動化或其他應用程序自動化等目標。基本上目前在各種曾被提出或實做過的的分散式工作流程管理系統，都必須有部分的工作經由某些集中式工作流程引擎來運作。本篇論文提出一個完全不需集中式工作流程引擎的分散式工作流程系統，命名為XDWfMS (XML-based Non-centralized Workflow Management System)。此系統具有以下的特色：(一) 採用XML技術作為文件交換與儲存的格式；(二) 文件基礎(Document-based)的系統；(三) 文件具自我資料保護的能力; (四) 運用電子簽章來識別流程參與者的動作，包括動作執行的時間及結果; (五) 在系統架構上不存在任何集中處理的工作流程引擎，僅需透過XDWfMS文件傳遞來進行流程的運作。實際的系統實作及相關的數據證明了提出系統架構的可行性。

    Workflow management systems (WfMSs) are software systems for supporting coordination and cooperation among members of an organization whilst they are performing complex business tasks. According to our survey, the previously proposed and implemented distributed WfMSs need the existence of some centralized workflow engines for their operations. In this thesis, we proposed a distributed WfMS which does not need any centralized workflow engine. It is called XDWfMS (XML-based Non-centralized Workflow Management System). It is with the following features: (1) It employs the XML technology for the document exchange and storage; (2) It is document-based system; (3) The generated workflow document is protected by itself without the need of a server; (4) The technology of the digital signature is applied to authenticate the action of all the particapants; (5) There is no any centralized workflow engine needed during the execution of a workflow. The implementation and the related experimental results demonstrate that the proposed system is practical.

    1.緒論 1 1.1工作流程管理系統 1 1.2分散式工作流程管理系統 3 1.3系統特色 4 1.4論文架構 5 2.文獻探討 6 3. XDWFMS系統架構和運作模式 11 3.1分散式工作流程系統架構 11 3.1.1活動執行單位(Activity Enactment Unit) 13 3.1.2時間戳印單位(Time Stamping Server) 13 3.1.3監控單位(Monitor Server) 14 3.2運作模式 15 3.3流程運作 16 4.語法 20 4.1文件架構 20 4.2標頭區塊 23 4.3工作流程語法定義區塊 25 4.3.1 活動語法定義(Activity Syntax Definition) 26 4.3.1.1呈現物件 27 4.3.1.2參與者語法定義 33 4.3.2 轉移語法定義(Transition Syntax Definition) 41 4.4安全語法定義區塊 48 4.4.1資訊安全問題探討 48 4.4.2演算法語法定義 54 4.4.3加解密語法定義 56 4.4.4電子簽章語法定義 59 4.4.5時間戳印語法定義 62 4.5執行結果語法區塊 63 4.6時間戳印語法區塊 65 4.7電子簽章語法區塊 66 5.實作與實驗結果 67 5.1範例 67 5.2範例實驗結果 69 5.3加解密與電子簽章時間性實驗結果 71 5.4實驗結果討論 72 6.結論 74 7.參考文獻 75 附錄 78 A. 78 B. 85

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