델파이-엔트로피 기법을 이용한 정보시스템획득 시나리오 유형별 영향요인의 우선순위에 관한 연구
An Study on the Ranking of the Scenario-Specific Influencing Factors on Acquiring Information Systems Using the Delphi and Entropy Approach
Information systems acquired to effectively and efficiently support the whole value added process in the company are becoming complex and various. The range to support is also expanding to the outside beyond the enterprise inside the company. Diversity and complexity of information systems function, their robustness and accuracy, and expansion of the range to support refer to the difficulty of the acquiring of information systems and also to increase of acquiring costs. Thus, many company don't insist on the direct development anymore, they has been acquired information systems in purchasing or leasing a standard package. This study was started on the premise that the influencing factors are different on the acquiring information systems by scenarios (make, buy, rent). This study was performed using delphi and entropy approach. Firstly, the influencing factors summarized from previous researches are presented to the experts participating in brainstorming. The range of factors have been reduced and finally confirmed the factors, repeating the brainstorming using Delphi technique. Secondly, the weight of each factor is calculated by each acquiring scenarios. As a results, we find the priority of factors in each scenario. Some factors are very important in a scenario, but it's no longer critical in other scenario. For example, project scope, project range, and needed resources are always critical, but the factors developer, user training, project team, show a significant difference depending on the acquiring scenario. The research results showed the ranking of each factors depending on different scenario have a value not only in academic as well as in practice.
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