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資料庫反向工程中包含相依性資料探勘之驗證，王學亮、陳郁青、洪宗貝、錢炳全

近年來，藉由電腦與通訊架構之快速發展改變了全球經濟型態，其中，Internet的盛行改變了傳統的經濟交易 方式，電子金融支付工具將在Internet的數位經濟上扮演相當重要的角色。但其投資風險仍使各家業者步步為營，風險成因則主要是交易雙方權衡網路電子金融支付工具的重重限制，使得網路金融支付工具產生較高的交易成本(transaction cost)，因此針對消費者或廠商而言，小額的產品或服務交易無法順利達成。本研究針對電子金融支付工具的各類交易成本項目作一探討，並進一步引用福利經濟學之分析工具，評析電子金融支付工具在導入micropayment上若無建立交易基準將產生較大的絕對損失(deadweight loss)，造成交易成本的增加現象，本文建議建立市場電子貨幣的交易基準與中介機構(包含公正第三者之清算機構)，減少交易雙方之資訊不對稱與交易安全問題，期能降低交易成本與效率損失。

關鍵字： 小額付款(micropayment)、電子貨幣(electronic money)、交易成本(transaction cost)、電子商務(e-commerce)

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模糊決策方法於網路商店經營績效評估之研究，陳振東、胡國瑞、戴偉勝

隨著網際網路的快速發展以及全球資訊網的盛行，電子商務的經營型態不斷地推陳出新，使得企業紛紛在網路市場中成立網路商店，以期獲得更大的商機。因此，網路商店經營績效的衡量已成為目前重要的研究課題。然而，在進行網路商店經營績效衡量的過程中，由於經營型態的差異，評估因素的質化性，以及評估人員主觀的判斷所隱含的模糊性，使得網路商店經營績效的衡量更形困難。為此，本研究乃結合模糊理論與多準則決策方法，構建一個系統化的網路商店經營績效衡量模式，並以此模式為基礎，構建一個評估決策支援系統，以協助業者有效且即時地進行網路商店經營績效的評估，以達到提昇經營績效的目的。

關鍵詞：網際網路、網路商店、經營績效、模糊理論、決策支援系統

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駭客入侵方法與對策之研究，黃明達、朱家璁

防禦駭客入侵一直是探討資訊系統安全重要的課題之一。本研究蒐集目前常見的駭客入侵方法與工具，且透過實地操作這些方法與工具來入侵系統，以找出對策與防禦方法。最後以駭客入侵的角度製作出一份駭客攻防檢查表，希望除了能提供資訊系統安全的評等給予資訊部門主管參考之外，在填寫這份檢查表的同時，可以讓資訊部門人員查核系統的安全漏洞以圖改進。

關鍵字：駭客、資訊系統安全、網際網路安全、電腦病毒、檢查表

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以Hull and White價格樹模型探討台灣巨災指數選擇權價值，陳輝煌、葉立仁、鄭鎮樑

近十年來國際間天然災害頻傳，加上巨災再保能量的不足，進一步也促進巨災風險衍生性商品（如：巨災期貨、巨災指數選擇權、巨災買權價差交易、巨災債券）的發展，此些產品的設計，乃著眼於藉由巨災風險證券化的引入，將整個巨災投保的損失轉移給風險承受度更大的資本市場。

然在考量將此理念移轉國內時，可能須考量台灣巨災損失指數的設計、提供台灣巨災證券的參考定價以及熟悉台灣巨災衍生性商品的波動。因為唯有適時且足夠商品資訊或特性的掌握，才能吸引更多參與者加入這個市場。此外，為提供相關的價格資訊，則商品定價之初，便須考量巨災損失理賠上限、巨災損失平均反轉行程、巨災損失跳躍擴散行程等三大特色。

本研究乃著眼於上述巨災損失的三大特性，模擬台灣巨災損失指數的設計，透過Hull and White（1990∼1996）三元價格樹方法，並結合Merton（1976）之跳躍擴散模型（Jump-Diffusion Model）估計台灣巨災指數選擇權之參考訂價，並依不同估計模型，分析此巨災商品的波動特性。研究結果顯示，相較於Black and Scholes （1973）之B-S選擇權評價模型，台灣巨災因為具有平均反轉的特性，致使損失指數易收斂、選擇權買權價值較低、相關敏感特性較低。而巨災跳躍的特性，致使損失情況易大幅跳躍而上，相對地選擇權買權價值也將較高。

關鍵字：重大天然災害、價格樹、選擇權、平均反轉行程、跳躍擴散行程。

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有線電視產業與電信事業跨業經營之行為探討，郭裕昇、梁德昭

在全球網際網路的蓬勃發展下，ICP（如媒體業）和ISP（如通訊業）兩大產業已發生了產業聚合的現象。

從新版電信法、有線廣播電視法中對有線電視業和電信事業跨業經營的禁令解除及固定通信網路服務的開放等情況來看，我國政府單位對於全球產業聚合之潮流也逐漸重視。另一方面，因為我國正積極推動台灣成為亞太營運中心，而電信中心又為其它中心之樞紐，此舉將使得我國的電信服務事業更邁向新紀元，也進一步為有線電視產業與電信事業的跨業經營行為加溫。

本研究之主要目的就是從產業聚合的觀點來探討有線電視業和電信事業之跨業現象，我們首先將跨業經營的各種型態提出，再對美國有線電視與電信事業跨業經營之現象做探討，並從技術面、法規面、市場面、資本流動等各方面來探討兩大產業之跨業現象，最後以「東森寬頻城市」為訪談對象，希望能夠理出台灣地區有線電視產業與電信事業跨業經營所可能牽引出的問題。

關鍵詞：網際網路、產業聚合、有線電視產業、電信事業、東森寬頻城市

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國內無線應用協定(WAP)通訊之潛在需求行為分析，蕭銘雄、許長舜

本研究主要在以問卷調查與統計分析的方式，探討WAP之需求行為，問卷主要包含三大層次，分別是個人特性因素、對WAP相關產品的涉入程度、以及對WAP的購買行為；其中，涉入程度又可分為三大構面，包括：(1)需求者對WAP的「知識經驗」、(2)對WAP的「產品知覺」、以及(3)對WAP的「利益知覺」，每一構面皆包含了數道問題。而後，由這三大構面進一步縮減歸納出需求者對WAP之整體涉入程度，再由涉入程度的高低來分析他對WAP的需求意願。統計分析結果發現，年齡層愈低者、或教育程度愈高者，其涉入程度明顯愈高，但涉入程度較高者，並未特別集中在高所得群、抑或低所得群；此外，三種涉入程度構面對消費者購買WAP行為的影響並不十分一致，但三個涉入程度構面都顯著影響消費者購買WAP的意願，且經進一步檢視資料發現，對WAP涉入程度愈深的消費者，他愈不傾向選購WAP，這可能是因目前WAP的服務品質並不十分出色，因此愈瞭解WAP的消費者，其購買意願便愈低。

關鍵詞：無線應用協定（WAP），涉入程度。

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電子金融支付工具中Micropayment機制之交易成本與效率分析，李宗政、鍾文榮

近年來，藉由電腦與通訊架構之快速發展改變了全球經濟型態，其中，Internet的盛行改變了傳統的經濟交易方式，電子金融支付工具將在Internet的數位經濟上扮演相當重要的角色。但其投資風險仍使各家業者步步為營，風險成因則主要是交易雙方權衡網路電子金融支付工具的重重限制，使得網路金融支付工具產生較高的交易成本(transaction cost)，因此針對消費者或廠商而言，小額的產品或服務交易無法順利達成。本研究針對電子金融支付工具的各類交易成本項目作一探討，並進一步引用福利經濟學之分析工具，評析電子金融支付工具在導入micropayment上若無建立交易基準將產生較大的絕對損失(deadweight loss)，造成交易成本的增加現象，本文建議建立市場電子貨幣的交易基準與中介機構(包含公正第三者之清算機構)，減少交易雙方之資訊不對稱與交易安全問題，期能降低交易成本與效率損失。

關鍵字： 小額付款(micropayment)、電子貨幣(electronic money)、交易成本(transaction cost)、電子商務(e-commerce)

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Journal of Information Management, Vol. 3, No.2, Sep. 2001
Abstract

Validation and Data Mining of Inclusion Dependencies in Database Reverse Engineering
Shyue-Liang Wang
Yu-Ching Chen
Tzung-Pei Hong
Been-Chian Chien

This work presents a data-mining-based database reverse engineering framework as well as validation methods using SQL functions for the discovery of inclusion dependencies. Database reverse engineering is a process that obtains domain semantics about a legacy database. It is a part of database maintenance and redesign work for better usage of corporate resources. Integration of data mining techniques with database reverse engineering can further automate the process. Three validation methods for the mining of inclusion dependencies are thus proposed. Complexity analysis shows that the proposed methods require less computation time and database queries.

Keywords: database reverse engineering, data mining, relational database, inclusion dependency

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The Application of Fuzzy Decision Method on Management Performance of Web Shops
Chen-Tung Chen
Kuo_June Hu
Wei-Shen Tai

As the applications of Internet and the fashion of world wide web (WWW), customers are able to browse the contents or get the information of products by the interactive and real-time interface of the shop webs. But there are many problems that cause the web shops could not attract customers and get profit. Many factors affect the management performance of the web shops, such as uncertainty and fuzzy features of the economics and techniques. These factors make the performance evaluation of the web shops more difficult. Combining the fuzzy sets theory with multiple criteria decision-making (MCDM) method, a systematic model is proposed to evaluate the performance of Web shop. And then, a decision support system based on this model has presented in this paper to improve the performance of the web shops.

Keywords：Internet, Web shop, Management performance, Fuzzy set theory, Decision support system.

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The Study of Hackers' Intrusion Methods and Countermeasures.
Ming-Dar Hwang
Wilson Ju

When discussing the security of the information systems, the protection of hacker's intrusion is the one of the most important issues. In this thesis, by collecting and manipulating the popular hacker's intrusion methods and tools, we would like to find the corresponding policies to protect the information systems. Finally, we present a checklist of hacker's intrusion methods and countermeasures which can both provide a good reference to the directors of the information department and can check the weakness of the system security by using this checklist.

Keywords：Hacker, Information System Security, Internet Security, Computer Virus、Checklist.

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The Valuation of Taiwan Catastrophe Option with Hull and White’s Pricing Tree Model
Hui-Huang Chen
Li-Jen Yeh
Chen-Liang Cheng

Due to the shortage of international reinsurance capacity, the high development of insurance rise exchange and catastrophe insurance derivatives has been treated a good resolution. These related products, as catastrophe futures, catastrophe index options and catastrophe bonds, have payoffs that depend on indices that measured insured losses from catastrophe events in specific geographical regions. In principle, insures can use these securitized styles to transfer their regional exposure to numerous international investors.

After adopting the concepts of catastrophe risk securitization, we also concern whether the framework is acceptable. Additionally, due the losses cap, mean-reverting and jump-diffusion characteristics, we make use of trinomial pricing tree of Hull and White（1996）combined with jump-diffusion process of Merton（1976）to follow the related behaviors, then to estimate the suitable value and analyze their relative sensitivity of catastrophe index claims.

As shown in the result, the mean-reverting behavior of Taiwan catastrophe losses series would lead to reduce the call value and the related sensitivity which was estimated by Black-Scholes option pricing model. On the contrast, the jump behavior would derive losses index to rise quickly.

Keywords: Catastrophe、Pricing Tree、Option、Mean Reverting Process、Jump Diffusion process.

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Discussion The Behavior of The Cross- Ownership of CATV-Industry and Telecommunication-Industry
Yu-Sheng Guo
The-Chaw Liang

As the internet grows and rises, the ICPs (Internet Content Providers) and the ISPs (Information Service Providers) tends to be converged nowadays.

We can understand that our government pay much attention to match up the trend of industry convergence from issue the Telecommunications Law, Cable-broadcasting Television Law. And that Law remove an embargo on CATV-Industry and Telecommunication-Industry’s corss-ownership. With the Fixed Telecommunications Network Carrier open up, we can say that the liberalization of Telecommunications has be improved. It’s can help us to remove the ban quickly.

The purpose of this study is to discuss the cross-ownership of the cable industry and the telecommunication industry. This paper looks phenomenon of this cross-ownership operation into phases of technique, law, market, and capital flows. It takes EThome as the object of study to discuss the issues of the cable-cross- telecommunication operations.

Keywords: internet, industry convergence, CATV Industry, telecommunication- industry, Ethome

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A Study on the Potential WAP Demands in Taiwan
Ming-Shong Shiaw
Charng-Shun Sheu

This study aimed at analyzing individuals’ potential demand for wireless application protocol (WAP). For this purpose, it first constructed an analyzing process for WAP, which included individuals’ characteristics, the involvement of WAP related products, and the potential purchase behavior. For the involvement of WAP related products, it also constructed a 3-dimension structure, which included the knowledge on and experience of mobile phone and internet surfing, the knowledge on WAP, and the benefits from WAP, to describe it. Then by conducting a survey, it acquired the data needed. Based on the results of statistical analysis, it concluded that the younger the individuals, and/or the better-educated the individuals, the higher degrees of involvement they are in. Moreover, the higher degrees of involvement the individuals are in, the less willingness they will have.

Keywords：wireless application protocol (WAP), degree of involvement

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The Transaction Cost and Efficiency Analysis of Electronic Money with Micropayment Mechanism
Chung Cheng Lee
Wen Jung Chung

The revolution of computer-to-communication has been changing the global economic style in these years. Especially, the prevalence of Internet modifies the traditional transaction system. In the meantime, the electronic money (e-money) plays the key role in this modern world. However, the increasing transaction cost inherited from limitation of e-money will hamper the willingness of consumer and merchant to use e-money as media in small–value payment transaction. This research studies various transaction cost stipulated in the e-money system and adopts analyzing tools with welfare economics to evaluate the deadweight loss associating from transaction cost by using e-money with micro payment mechanism. Setting up the transaction benchmark and Trusted Third Party such as Payment Clearing Service etc., are recommended to diminish the transaction cost and inefficiency resulting from information dissymmetry and security problem.

Key words and phrases: electronic commerce, business process reengineering, Internet, supply chain, pharmaceutical industry

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