• Journal of Information Technology Applications and Management
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• v.11 no.3
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• pp.35-62
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• 2004

Recently, IT outsouricng has been one of the major concerns of many companies. This paper explores the relationship between information technology outsourcing risk factors and outsourcing performance. It is based upon a three-phase process utilizing IPO (Input-Process-Output) system. The first phase means the outsourcing planning risks t~at arise from overall environment of outsourcing, organizational refuse, and wrong contracts. The second phase implies outsourcing operational risks, which are occurred while out-sourcing perform and consist of organizational acceptances of outsourcing, partnership and hidden costs. The last phase is outsourcing performance based on four perspective of BSC(Blanced Scored Card). The survey was performed on the IT/IS firms, and the data was collected from 53 service receivers. The result of the analysis are as follows. First, Outsourcing planning risks positively affects the operational risks. Second, Outsourcing operational risks negatively affects the Outsourcing Performance.

• Journal of Information Technology Applications and Management
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• v.24 no.4
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• pp.153-170
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• 2017

As the digital economy goes global, firms are trying to find suppliers that can address their managerial goals and strategies. The alternatives are not confined to domestic firms. Firms have been trying to connect to foreign partners worldwide. Although offshore outsourcing grants firms various benefits, they present big cultural challenges. However, there is little research on the impact of cultural or country factors on outsourcing. The goal of this paper is to synthesize the outsourcing success literature and develop propositions for outsourcing success in the context of offshore outsourcing. This paper proposes that cultural effects should be included in evaluating the success of offshore outsourcing. Knowledge sharing and the scope of outsourcing are adopted in the base outsourcing success model from previous literature. In the extended model partnership quality is included as a mediator and organizational capability and outsourcing relationship type are also included as moderator. Finally, the integrated framework of offshore outsourcing success includes cultural factors as moderators of the relationships between outsourcing success antecedents and the success of offshore outsourcing. Reasoning for propositions, managerial implications, and future research directions are discussed.

• Journal of Technology Innovation
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• v.12 no.1
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• pp.49-65
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• 2004

This study investigates the effect of technology outsourcing on the value of the firm in Korea. The result shows that the technology outsourcing in the high growth industries gives positive effects on the value of the firm. The results supports the investment opportunity hypothesis. With respect to the free cash flow hypothesis, this study finds no supporting evidences. The paper concludes that growth is the dominant factor for determining the effect of technology outsourcing on the value of the firm.

• STI Policy Review
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• v.3 no.1
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• pp.80-95
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• 2012

Few studies have focused on the impact of R&D outsourcing on technological innovation and productivity despite the increased importance of R&D outsourcing. This study analyzes the productivity effects of investment in R&D outsourcing with a sample of Korean manufacturing industries from 2001 to 2009. The estimation results show a nonlinear U-shaped relationship between productivity and the share of R&D outsourcing capital for total R&D capital. This implies that the cost of R&D outsourcing outweighs its benefits in the early stages of R&D outsourcing. The U-shaped relationship is particularly pronounced in high-technology industries.

• Journal of Information Technology Services
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• v.2 no.1
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• pp.157-172
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• 2003

Despite the continual growth of IT outsourcing market, the outsourcing contracts are mostly short-term contracts. Because these short-term contracts need continual recontracts, the research on the factors that influence the outsourcing recontracts is needed. This research has been done to find out the factors of making the outsourcing recontracts successfully by stating the relationship between outsourcing recontract and the outsourcing performance factors. As a result of this research, customer factors and innovation factors are found to be influential factors on whether you make a recontract or not. And also the research have showed customer factors are major decision criteria on outsourcing recontracts.

• Journal of Information Technology Services
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• v.8 no.3
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• pp.135-143
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• 2009

The Outsourcing Industry has grown swift pace and evolved over time, and the Global IT Outsourcing market has shown signs of a steady growth. In the Korean company, however, IT Outsourcing is not active as that of the advanced countries and there is lack of literature to understand the characteristics of IT Outsourcing in the Korean company. This paper, therefore, analyze the outcomes surveying 65 companies in Korea to investigate how IT Outsourcing risk factors affects IT Outsourcing intention. Based on our literature reviews based on number of key articles, journals, and the focus group interviews, IT Outsourcing risk factors are proposed into four different domains: Transaction, Client, Vendor, Environment perspectives. It found that one factor(Vendor perspectives) is closely related to the IT Outsourcing intention of the Korean company. Finally, this paper analyzed the pros and cons of IT Outrcing offers a guide to the risk factors.

• Journal of Information Technology Applications and Management
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• v.10 no.3
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• pp.75-92
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• 2003

In order to investigate IS(Information Systems) outsourcing cost estimation model preference of firms, this study reviews previous literatures on outsourcing and firm characteristics. The relationships between firm characteristics and IS outsourcing cost estimation model preference are analysed. Four major factors of firms characteristics are found and classified. IS outsourcing cost estimation model with SLA are found to have a strong relationship with organizational culture. Future research will be needed to verify the result of this exploratory study.

• KSII Transactions on Internet and Information Systems (TIIS)
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• v.18 no.4
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• pp.998-1019
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• 2024

Mobile cloud computing is a very attractive service paradigm that outsources users' data computing and storage from mobile devices to cloud data centers. To protect data privacy, users often encrypt their data to ensure data sharing securely before data outsourcing. However, the bilinear and power operations involved in the encryption and decryption computation make it impossible for mobile devices with weak computational power and network transmission capability to correctly obtain decryption results. To this end, this paper proposes an outsourcing decryption algorithm of verifiable transformed ciphertext. First, the algorithm uses the key blinding technique to divide the user's private key into two parts, i.e., the authorization key and the decryption secret key. Then, the cloud data center performs the outsourcing decryption operation of the encrypted data to achieve partial decryption of the encrypted data after obtaining the authorization key and the user's outsourced decryption request. The verifiable random function is used to prevent the semi-trusted cloud data center from not performing the outsourcing decryption operation as required so that the verifiability of the outsourcing decryption is satisfied. Finally, the algorithm uses the authorization period to control the final decryption of the authorized user. Theoretical and experimental analyses show that the proposed algorithm reduces the computational overhead of ciphertext decryption while ensuring the verifiability of outsourcing decryption.

• Journal of Korea Society of Digital Industry and Information Management
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• v.7 no.2
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• pp.173-183
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• 2011

The business is faced with the situation must improve a power in an increasingly competitive environment due to the recent rapid advance in information technology and the opening and expansion of global market, fast technological change, and various customer demand. The rapid change in information technology is having an effect on not only all the processes to develop products, but information contents that is provided for the purpose of customer value, and the appearance of products. In other words, the information technology is being recognized as a very important factor among other factors for companies to enhance their competitiveness. In addition, it is more efficient to focus on key factor to maintain the competitive advantage on the using of information technology by outsourcing information systems, rather than by operating the systems under their own. Since the global financial crisis, the long-term recession has been increasing companies who is ready to adopt outsourcing or adopted already. This study is to understand the environment and unique characteristics of outsourcing services and related industries focusing on information system operation and management in information outsourcing services, and is to set the concept needed through my theory that is connected to the service quality and customer satisfaction. A lot of business wiew the improvement of service quality and ensuring customer satisfaction as the major factors of business growth, and lots of ongoing studies have focused on service management in the Information outsourcing service industry. Yet few studies have ever concentrated on the quality of information system operation management service. This study, moreover, is to define the quality of service related with customer satisfaction from customer's viewpoint, measuring effects on customer satisfaction. The quality of outsourcing service on information system in this study is a great help to companies who are offering information outsourcing service, and company's managers and staffs who outsourcedto specialized company.

• Journal of Information Technology Applications and Management
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• v.13 no.4
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• pp.181-195
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• 2006

In recent years, increasing attention has been paid on how to manage a successful relationships between the receiver and provider of the Information Systems(IS) outsourcing services. This study explores the sources of influence for successful outsourcing relationships. Based on the Jaworski's control combination model for marketing, we (1) propose a management combination model of outsourcing relationships where trust is introduced as an intervening variable and outsourcing compleyity as a moderating variable, (2) test this model using a sample of 94 outsourcing projects in 36 organizations that have outsourced there IS functions to external service providers. The results indicated several significant findings. First, the deployment of management mechanism such as contract mechanism and trust building has a significant effect on the outsourcing success through trust only. Second, complexity of outsourcing activities has a moderating effect on relationship management combinations.