• Tuberculosis and Respiratory Diseases
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• 제70권2호
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• pp.143-149
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• 2011

Background: Stopping medical treatment by tuberculosis (TB) patients prior to completing treatment period is a major concern in private hospitals. We evaluated the impact of public-private mix (PPM) project on increasing treatment success rate of TB in a private tertiary hospital in Korea. Methods: Starting in February 2009, TB patients treated at Dankook University Hospital received health education and case monitoring activities by specially trained public health nurses (PPM project). On a retrospective basis, we reviewed medical records and compared the treatment outcome of TB patients treated under the PPM project (PPM group) to patients treated without the PPM project (control group) between January 2008 and June 2010. In addition, we also evaluated the risk factors treatment non-completion. Results: The number of patients in the PPM group and control group were 123 (85 pulmonary TB and 38 extrapulmonary TB) and 146 (101 pulmonary TB and 45 extra-pulmonary TB), respectively. The PPM group had demographic and clinical findings comparable to those of control group. The PPM group showed a significantly higher treatment success rate (93.5%) compared to the control group (77.9%). However, development of complications, proximity to the hospital, and presence of co-morbid disease did not influence the treatment success rate. Conclusion: The PPM project was effective at increasing the TB treatment success rate. An effort to improve and to expand the PPM project is needed in private Korean hospitals.

• 한국경영과학회:학술대회논문집
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• 대한산업공학회/한국경영과학회 1996년도 춘계공동학술대회논문집; 공군사관학교, 청주; 26-27 Apr. 1996
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• pp.213-216
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• 1996

R'||'&'||'D project management is a process of decisions concerned with the achievement of goals of objectives. Especially, defense R'||'&'||'D project planning is the key in the successfull management of defense development. The defense project managers are constantly having to perform "what if\ulcorner" exercise, such as what if the project is extended out for an additional cost\ulcorner In this reserch, we developed a schedule-cost analysis model based upon Critical Path Method(CPM) and Venture Evaluation and Review Technique(VERT) for schedule-cost trade off analysis defense R'||'&'||'D projects. In the first step, a deterministic model is developed as a heuristic which deterministic model is developed as a heuristic which determines the schedule extension and reduction cost as a function desired schedule. In the second step, a stochastic network simulation model is developed to analyse the project risk (sucess and failure). The expected time and cost can be determined for desired schedule under the assumptions of stochastic arc data (time and cost) with a various precedence relationships. This model provides the defense R'||'&'||'D managers with an estimated and expected cost for curtailing or extending a project a given amount of time. The effectiveness and efficiency of the proposed methods, a heuristic and stochastic networks simulations, have been demonstrated through examples.

• 한국IT서비스학회지
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• 제16권2호
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• pp.85-96
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• 2017

The revised "Software Industry Promotion Law" has been effective from 2013. This law is to be basis of the domestic public information sector and increases the opportunities for small and medium-sized firms in participating the public IT projects. The shortcomings of this law may be the increase of the risk and the decrease of quality of projects. These suggest that the competencies of project manager (PM) s are critical. Also, in general, an SI (System Integration) project is a one that provides a customer with a customer-tailored system for system integration. Particularly, in an SI project involved in a public institution or a large corporation, the ripple effect of success or failure of a project is becoming greater as the system requires higher cost and more time due to high complexity and large scale. One of the solutions to address these problems is to investigate the competencies of a PM. Thus, in this paper, we derived the major competencies using the RGT (Repertory Grid Technique) and categorized the resultant constructs using the content analysis. In addition, we analyzed the level of importance of competencies by applying the AHP (Analytic Hierarchy Process). The conclusion was that Problem-solving Skill and Leadership were the most important competencies of a project manager.

• The Journal of Asian Finance, Economics and Business
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• 제7권8호
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• pp.635-644
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• 2020

The construction industry in developing countries like Vietnam, which incorporates small and medium construction enterprises, is typically more prone to disputes and contract dispute-related lawsuits. A dispute may occur at any time in the life cycle of the project. It is sometimes solved with the intermediation of a lawyer or directly by stakeholders. Understanding the causes of disputes in a construction project not only improves the efficiency of a company but also increases the success of projects. This study was carried out using a questionnaire survey at construction projects in Ho Chi Minh City. Sample data with 117 observations were analyzed to find the disputing factors in construction projects: diversity of working style among the parties; reluctance to work; and poor teamwork. Correlation coefficient on a rank of factors between design consultant and contractor; Design consultant and project owners are positively correlated. The Exploratory Factor Analysis (EFA) analysis identified six groups of factors in construction disputes: cooperation, technology, economics, productivity, information, and behavior. The findings are useful for enterprise practice and provide participants with an overview of sources of dispute. Thus, a more complete risk management plan can be formulated, which will accelerate project progress and improve the likelihood of success.

• The Journal of Asian Finance, Economics and Business
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• 제8권2호
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• pp.195-200
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• 2021

In recent years, Vietnam's economic growth rate has been attributed to the growth of many well-managed industries within Southeast Asia. Among them is the civil construction industry. Construction projects typically take a long time to complete and require a huge budget. Many socio-economic variables and factors affect total construction project costs due to market fluctuations. In recent years, crucial socioeconomic development indicators of construction reached a fairly high growth rate. Also, most infrastructure and construction projects have a high degree of complexity and uncertainty. This makes it challenging to predict the accurate project price. These challenges raise the need to recognize significant factors that influence the construction price index of civil buildings in Vietnam, both micro and macro. Therefore, this paper presents critical factors that affect the construction price index using the fuzzy extent analysis process in an uncertain environment. This proposed quantitative model is expected to reflect the uncertainty in the process of evaluating and ranking the influencing factors of the construction price index in Vietnam. The research results would also allow project stakeholders to be more informed of the factors affecting the construction price index in the context of Vietnam's civil construction industry. They also enable construction contractors to estimate project costs and bid rates better, enhancing their project and risk management performance.

• Asia pacific journal of information systems
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• 제23권2호
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• pp.41-66
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• 2013

IS outsourcing has an important meaning to the Korean SME's (Small and Medium Enterprises) which want to use the IS Services. The objective of this research is to manage IT risks occurred during IS outsourcing project process. This study tries to identify these risks using real option methodology. In order to perform this objective, this study set up the research model which is composed of two main concepts. The first one is the risk factors occurred during IS outsourcing project process: User's Risks, Supplier's Risks and Transaction's Risks. All of these risks are based on Transaction Cost Theory. The second one is the intention to get (or buy) Real Options to manage the risks. In the research model, two types of real option are included: option to abandon (put option) and option to defer (call option). This study uses questionnaires and statistics methodology (PLS) to analyze the hypotheses proposed in the research model. Compared with prior studies, this study is different in two ways. First, this study restricts the range of IT risks. Prior researches of IT Risk management in MIS area cover various range of IT risks, but this study focuses on the Korean SME's IT outsourcing risks on the basis of Transaction Cost Theory. This study tests the relationship between the risks and real option types. Second, this study tries to test the moderating effect of user's risks and supplier's risks on the relationship between transaction's risks and real option types. In IT outsourcing research area, almost studies focus on the direct relationships between IT risks and outsourcing success. But in reality, the co-relationship among IT risks may occur. There are some findings according to the research analysis. First, risks related with user's risks have strong causal relationships with the intention to get option to abandon (put) and option to defer. But risks related with supplier's risks have causal relationships only with option to abandon (put). Second, user's risks and supplier's risks have no moderating effect on the relationship between transaction's risks and real option types. According to the research results, this research have some important and interesting implications on the IS outsourcing business area. First, this study identifies the effective types of real option to minimize the risks occurred during the IT outsourcing projects. So IS outsourcing service users can manage (or minimize) effectively the risks, which occurred during outsourcing projects, using real options. Second, real option gives benefits to suppliers and users at the same time (i.e., win-win strategies between IS outsourcing service providers and users). Vendors (:IS outsourcing service providers) can offer users the real options which can minimize the occurrence of risks in time. "IN TIME" means that before the IS outsourcing project starts, vendors can offer users the opportunity to buy real options in appropriate prices to manage the possibility of the risks of IS outsourcing project. And users also have chance to minimize the IT outsourcing risks occurred during the project process using real options.

• 대한토목학회논문집
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• 제42권5호
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• pp.681-688
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• 2022

최근의 연구에 의하면 국내 대부분의 건설사는 리스크 관리를 효과적으로 하고 있지 못하며, 리스크 관리 시스템의 개선이 필요한 것으로 판단된다. 또한 리스크 관련 연구도 대부분 거시적인 관점에서의 리스크를 다루고 있으며 프로젝트 시공단계에서의 공정리스크를 다룬 연구는 거의 없는 실정이다. 따라서 본 연구에서는 공정리스크 중 흙막이공에서 발생할 수 있는 리스크 요인의 분석 및 분류를 통해 리스크 대응 방안을 제시하고자 하였다. 이를 위하여 리스크 전문가를 대상으로 워크숍을 실시하여 아파트 흙막이공 시공 중에 발생할 수 있는 리스크를 식별 및 분석하였다. 연구 결과 95 % 신뢰구간에서 49.7억 원의 절감이 가능할 것으로 예상되었으며, 최대 발생 가능한 비용은 150억 원에서 100억 원가량으로 줄어들었다. 리스크 저감 비율 기준으로 별다른 투입비용 없이 리스크를 저감할 수 있는 리스크, 리스크 대응 시 효과가 큰 리스크와 효과가 미미한 리스크로 구분하여 나타났다. 따라서 본 연구에서 제시한 유형들과 리스크 요인들을 지침으로 삼아 현장 여건에 맞는 적절한 대응 전략을 갖추고 체계적으로 대응할 경우 프로젝트를 성공적으로 운영하는 데 도움이 될 것으로 기대한다.

• 한국건설관리학회:학술대회논문집
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• 한국건설관리학회 2007년도 정기학술발표대회 논문집
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• pp.479-482
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• 2007

건설클레임중에서 설계자와 감리자를 상대로 하는 클레임은 그다지 주목받지 못하였다. 그러나 건설현장에서 설계자나 감리자에 기인하여 클레임이 상존하고 있는 실정이다. 실제로 설계자와 감리자와 관련된 클레임은 전문책임과 관련된 사항이므로 판단하기가 무척 어려운 면이 있긴 하지만, 실제 클레임으로 비화될 경우 설계자나 감리자의 자체재무능력만으로 해결하기 어려운 것이 현실이다. 현장에서는 많은 설계자나 감리자들은 클레임의 위험에 노출되어 있으면서도 그에 대책에 마련되어 있지 못한 실정이다. 따라서 본 연구에서는 설문조사를 통하여 설계자/감리자가 당면하고 있는 클레임에 대한 인식을 조사하였고, 그에 대한 대처방안을 조사하여 제시하였다.

• 정보처리학회논문지D
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• 제17D권6호
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• pp.443-452
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• 2010

COTS(Commercial Off The Shelf) 시스템은 점점 더 재사용 개발에 있어서 중요한 일중의 하나로 되어가고 있다. 그것은 개발될 소프트웨어 품질 혹은 프로젝트 일정에 영향을 미칠 수 있는 COTS의 신뢰성을 포함한다. COTS 분석의 결과가 생길 수 있는 위험의 결과와 함께 프로젝트에 문서화되어야 한다. 효율적인 위험관리는 문제에 쉽게 대처할 수 있게 해주며, 그것이 수용할 수 없는 예산이나 일정 지연이 되지 않도록 해준다. 본 연구에서는 COTS 개발 시, 프로세스 이정표와 노력에 관한 위험요소 분석에 대한 기준을 제시한다.

• 한국항해항만학회지
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• 제47권2호
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• pp.57-65
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• 2023

In 2017, the International Maritime Organization (IMO) adopted MSC.428 (98), which recommends establishing a cyber-risk management system in Ship Safety Management Systems (SMSs) from January 2021. The 27th International Association of Marine Aids to Navigation and Lighthouse Authorities (IALA) also discussed prioritizing cyber-security (cyber-risk management) in developing systems to support Maritime Autonomous Surface Ship (MASS) operations (IALA guideline on developments in maritime autonomous surface ships). In response to these international discussions, Korea initiated the Korea Autonomous Surface Ship technology development project (KASS project) in 2020. Korea has been carrying out detailed tasks for cybersecurity technology development since 2021. This paper outlines the basic concept of ship network security equipment for supporting MASS ship operation in detailed task of cybersecurity technology development and defines ship network security equipment interface for MASS ship applications.