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한국정보기술응용학회 JITAM Vol.16 No.3 2009.09 pp.1-15
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4,800원
The paper analyzes a copyright owning firm’s incentive to enforce its copyright in the presence of file-sharing networks. I devise a two-period model where a copyright owner sells two different versions of a creator’s information good, and show that the firm’s overall profits are enhanced by a strategy of differential inter-temporal enforcement of the copyright protection, compared to strategies of no enforcement or full enforcement in both periods. If the firm enforces no copyright protection in the first period, the low-valuation consumers may make and consume copies that are imperfect substitutes for the original information good. If there is a significant increase in the willingness-to-pay of some low-valuation consumers after they experience the information good, the firm can extract the increased consumer surplus by enforcing a positive level of copyright protection in the second period. Social welfare, however, is maximized in the case of no enforcement.
An Alternative Evaluation of the Item-based Collaborative Filtering Using Simulated Online Shopping
한국정보기술응용학회 JITAM Vol.16 No.3 2009.09 pp.17-28
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4,300원
This paper presents a novel method for evaluating the usefulness of online product recommendation. Previous studies on evaluating recommendation systems have mostly relied on two methods:testing the accuracy of estimating user preferences by recommendation systems, or empirically testing the effectiveness with lab experiments involving human participants. The former does not measure the usefulness directly and hence can be misleading; the latter is expensive in that it requires a working online store system and test participants. In order to address the problems, the proposed approach uses simulation to imitate customer behavior and evaluate the usefulness of recommendation. Models for user behavior and an abstract Internet store are developed for simulation. Actual simulation experiments are performed to illustrate the use of the approach.
한국정보기술응용학회 JITAM Vol.16 No.3 2009.09 pp.29-43
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4,800원
The advancement of emerging technologies can create more national value, and this motivates many nations to invest their resources in the emerging technologies. However, due to limited financial and human resources, even a wealthy nation cannot afford to randomly invest its resource in all profitable technologies. Therefore, cautious appraisal and prioritization of the competitive technologies should be conducted first, and then concentrated investment should be done for only the selected technologies. In this study, we propose a quantitative criterion for prioritizing the targeted electronic device technologies. The prioritization scheme devised in this study consists of a growth layer, a profitability layer, a vitality layer, and an influence layer. The proposed model forecasts the most promising technologies by applying the revised version of the Analytic Hierarchy Process (AHP). We performed empirical experiments on 12 emerging electronic device technologies to analyze the practical applicability of our study. The experimental data was obtained from 70 experts in high-tech industry as a part of the 2004 Prioritization and Selection project that was carried out in South Korea. As a result, the proposed scheme was able to present the most promising areas for investment in the field of electronic device technology.
한국정보기술응용학회 JITAM Vol.16 No.3 2009.09 pp.45-58
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4,600원
This paper is an empirical study especially to understand recent Chinese internet banking users" behavior and intentions through the process quality, outcome quality, customer satisfaction, reuse and word of mouth on internet banking service. The results of this study are as follows. First, percieved process quality of internet banking service affects the outcome quality, and both quality have a direct relation to customer satisfaction. It is found that Chinese internet users perceive a difference between process quality and outcome quality of internet banking service. And the reuse of the internet banking is decided by customer satisfaction as well as the word of mouth of the internet banking. For successful internet banking business in China, internet marketers should recognize thatthe service quality consists of the process quality and the outcome quality, and they should organize a new campaign that takes this information into consideration. And considering the process quality effect, they should pay attention to service process as well as the direct merit of services.. And if an internet banking service properly meets customer demands, internet users would constantly use internet services and would share good experiences with their neighbors. Therefore the result of our study will be of working-level help for financial company in China.
Quantitative Hazard Analysis of Information Systems Using Probabilistic Risk Analysis Method
한국정보기술응용학회 JITAM Vol.16 No.3 2009.09 pp.59-71
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4,500원
Hazard analysis identifies probability to hazard occurrence and its potential impact on business processes operated in organizations. This paper illustrates a quantitative approach of hazard analysis of information systems by measuring the degree of hazard to information systems using probabilistic risk analysis and activity based costing technique. Specifically the research model projects probability of occurrence by PRA and economic loss by ABC under each identified hazard. To verify the model, each computerized subsystem which is called a business process and hazards occurred on information systems are gathered through one private organization. The loss impact of a hazard occurrence is produced by multiplying probability by the economic loss.
한국정보기술응용학회 JITAM Vol.16 No.3 2009.09 pp.73-86
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4,600원
To establish an effective security strategy, business enterprises need a security benchmarking tool. The strategy helps to lessen an impact and a damage in any threat. This study analyses many aspects of information security management and suggests a way to deal with security investments by considering important factors that affect security manager’s decision. To address the different threats resulting from a major cause of accidents inside an enterprise, we investigate an approach that followed ISO17799. We unfold a criminology theory that has designated many measures against the threat as suggested by General Deterrence Theory. The study proposes a coherent model of the theory to improve the security measures especially in handling and protecting company assets and human lives as well.
한국정보기술응용학회 JITAM Vol.16 No.3 2009.09 pp.87-100
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4,600원
The purpose of this study is to investigate the evolution of regional tourism resources from the perspective of business ecosystem network. A regional tourism structure changes due to various factors such as natural resources, facilities, festivals and events, public resources, and etc. An exploratory analysis was conducted to examine the interaction between resource characteristics and alliance complexity in the regional tourism industry. In the process, the duality of technology provides an insight into the interaction among several players within an alliance network which include regional attractions and tourism industry. As a result, we identified four types of tourism alliance network:functional, organizational, resource-oriented, and artificially-allied. The managerial implications are also discussed.
The Level of Self-Directedness : A Parameter for the Success of Cyber Education
한국정보기술응용학회 JITAM Vol.16 No.3 2009.09 pp.101-111
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4,200원
The study reveals the relationships between the level of self-directedness and educational performance of students in the cyber education environment. Where the motivations for participating cyber education may vary, the final destination of education may be the same-improving the level of self achievement by study. As the researchers believe that the paramount success factor of cyber education would be self-directedness, we probed the factors to build up self-directedness. Researchers developed the level of self-directedness as object-orientation, action-orientation, and learning orientation. Those composite orientations were compared with learning achievement. The study showed the significant relationship between some factors of self-directedness and educational performance.
The Effects of Project based Action Learning in Web-based SMEs : ALPACO Case
한국정보기술응용학회 JITAM Vol.16 No.3 2009.09 pp.113-124
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4,300원
How can action learning program promote organizational learning performance and especially project based team performance in Web-based small and medium-sized enterprises (SMEs)? This article discusses the association between project based team in action learning program and the performance of Web-based SME to be learning organization. In the case of ALPACO, action learning program that promote employee communication behavior, knowledge sharing, and organizational learning are found to be positively associated with the project based team performance and organizational learning. The results indicate that action learning program in SMEs indeed associated with greater knowledge sharing, learning communication skills and changing organizational culture. Learning organization can be, in turn, positively developed by project based team through action learning program for creating competitive advantage. Also, this study offers further support for the practical perspective on learning organization performance. The evidence from this case study suggests that the project team in action learning program play a significant role in team performance and the development of learning organization of the firm. Therefore, in the future, Web-based SMEs should consider making investments in action learning program that encourage project team’s effective management in decision making, knowledge sharing, and organizational learning.
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