進入電子化文件的時代，傳統大量的紙張文件在製作，管理與儲存形成企業與政府機關最大的成本浪費，企業除了導入ERP (Enterprise Resource Planning)的觀念來使企業組織最佳化以外，必須在工作流程系統上搭配文件管理系統，以應付每日無以數計的文件報表，因此，電子文件管理系統成為現今企業資訊的重要課題之一，本文針對部份電子文件管理系統的基礎理論架構與應用的技術加以探討‧
目前為止，大多數的金融機構與政府單位的資料，均使用大型主機系統來處理，其優點為穩定性高、速度快，但缺點為價格昂貴、圖形與應用程式支援較少，且大型主機使用與一般個人電腦不同的通訊協定（如：SNA）與文字碼（如：EBCDIC），一般使用者不易使用。然而近年來由於價格低廉的個人用電腦在速度上逐漸跟上大型主機，一部份原來由大型主機負擔的工作，可以轉移至個人電腦上來執行，以多層次的處理架構來彌補大型主機環境的缺點。因此在本文中，我們嘗試針對銀行實際上的需求，設計一套架構在NT上的信用卡文件管理系統，在信用卡部門文件處理流程中的紙張文件，均可利用此一系統加以控管與儲存。除了使用加密與壓縮技術來達到安全性與網路傳輸的速度外，並根據各單位使用者的職權與工作內容，將各種不同之系統功能分級，以期達到更好的安全控管效果。

Traditional paper work is the largest waste of enterprises or government. For the sake of processing unnumbered documents everyday, enterprises need to integrate electronic document management system with workflow system, besides setting up Enterprise Resources Planning in Enterprise. Thus electronic document management system becomes one of the most important issues all over the world. In this thesis we will discuss the infrastructure theorem and implementation technologies of electronic document management system.
Until now, most financial institutions and government use mainframe system to process their data and document. Mainframe has the advantage of stable and faster than other machine. But it’s too expensive, hard to maintain and few GUI support. And sometimes mainframe environment use SNA as protocols different from general personal computers (TCPIP). It’s not convenient for general users. However, personal computers become cheaper and cheaper. In other hand, the performance of personal computer becomes better and betters. Thus some processes were moved from mainframe to personal computers in order to reduce loading of mainframe. In this thesis, we try to design a system on NT server and it can fit the requirement of banks. Besides user ID and password, we define different levels of accessing permission according to users duties. We hope this can makes the system security better.

Chapter 1 Introduction
1.1 Motivation
1.2 Background
1.2.1 The rise of Electronic Commerce
(a) Definition of E-commerce
(b) Two different types of E-commerce
(c) Impact of Electronic Commerce
1.2.2 Tendency in the future
1.3 Guide to the thesis
Chapter 2 Infrastructure of Electronic Document Management System
2.1 Mainframe environment nowadays
2.1.1 RS/6000
2.1.2 DB2
2.1.3 ADSM
2.2 EDMS methodology
2.2.1 Four element of EDMS
(a) Documents
(b) People
(c) Processes
(d) Technology
2.2.2 Necessary technologies of EMDS
(a) Creation and Conversion
(b) Repository and indexing
(c) Searching and online viewing
(d) Workflow and routing
(e) Data management and security
Chapter 3 Important Technology of Document Management
3.1 Encryption
3.1.1 RSA public key
(a) Concept and characteristic of RSA
(b) Theory of RSA
(c) Analysis of security
3.1.2 ElGamal public key
(a) Introduction
(b) Algorithm
(c) Analysis of security
3.1.3 The block cipher
(a) Concept of block ciphers
(b) The structures of block ciphers
(c) Adopted operations of block ciphers
3.2 Compression
3.2.1 Text
3.2.2 Image
(a) Introduction of JPEG
(b) Format of JPEG
(c) Theorem of JPEG
3.2.3 Audio
(a) Introduction of MPEG
(b) Architecture of MPEG
3.2.4 Portable document format
Chapter 4 The Implementation of Electronic Document Management System
4.1 Requirement of banks
4.1.1 Workflow of credit card department
4.1.2 Documents of credit card
4.1.3 Related users and department
4.2 Architecture of implementation
4.2.1 Library server
4.2.2 Object server
4.2.3 Administrator client
4.2.4 User client
4.2.5 Statistics subsystem
4.2.6 Form printing subsystem
4.2.7 Database and encryption subsystem
4.3 Functions and result
4.3.1 Security
4.3.2 Data preprocess and indexing
4.3.3 Document file importing
4.3.4 Annotation
4.3.5 Form printing
Chapter 5 Conclusion and future work
5.1 Conclusion
5.2 Future work
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