• Title/Summary/Keyword: 계층분석 의사결정기법

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Using AHP to Analyze the Evaluation Factors Related to Wildlife Passage Management (AHP기법을 활용한 야생동물이동통로의 기능개선을 위한 평가항목 분석)

  • Lee, Jin-Young;Rho, Paik-Ho;Lee, Jang-Won
    • Korean Journal of Environment and Ecology
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    • v.24 no.6
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    • pp.763-771
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    • 2010
  • The rapid increase of wildlife passage installation since the late 2000s was aimed to reduce roadkill caused by habitat fragmentation and losses related to road construction, but wildlife-vehicle collisions are now still occurred even near the wildlife passage area. This is the reason that the effectiveness of wildlife passage have not been evaluated in combination with absence of monitoring data and management strategy of the wildlife passage. The AHP method are used, in this study, to identify the evaluation factors affecting the effectiveness of the present 367 wildlife passages in a mitigation measures to reduce road effects on wildlife species. Ten evaluation factors are derived from third levels in the AHP analysis. Priority setting to identify appropriate management strategies in first level is selected among four second levels on facility, environment, wildlife species and management tool. The AHP analysis suggested that neighboring environments are the most important factor at the second level, and passage structure, harmony with natural surroundings, wildlife occurrence and monitoring of the passage are also important factors at the third levels. In summary, effective measurements of wildlife passage management is based on managing the passage with neighboring topography and natural surrounding. This is useful to establish wildlife passage management strategy in order to reduce the negative effects of roads on wildlife species.

Evaluating and Suggesting Key Risk Factors according to Risk Hierarchy of Occurrence Field in the Overseas Development Projects (발생영역별 리스크 위계에 따른 투자개발형 해외건설사업의 핵심 리스크 인자 도출 및 평가)

  • Lee, Jeong-Seok;Ahn, Byung-Ju;Kim, Jae-Jun
    • Korean Journal of Construction Engineering and Management
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    • v.13 no.2
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    • pp.70-79
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    • 2012
  • The Korean Government recently has been focused on strengthening competitiveness of order and stimulating construction market in the international construction industry. It has planned to extend the ODPs (overseas development projects) in order to diversifying the international construction market of which is domestic construction companies, placing too much emphasis on plant projects of the Middle East. However, literature review of risk analysis in the ODPs shows that the number of case study is several. Therefore, Authors asserted the necessity of risk analysis in the ODPs. The purpose of this study is to suggest a methodology that find KRFs (key risk factors) in the ODPs and analyze them, using AHP and Fuzzy theory. As a result, the 37 KRFs are selected and explained characteristics of them. A future direction of this study is to suggest a risk management model in the ODPs and prove feasibility of it.

Development Strategy and Priority Analysis of Korean Fabric Mills in Indonesia Using SWOT/AHP Analysis Theory (SWOT/AHP분석을 통한 인도네시아 진출 한국 섬유원단업체의 발전전략과 우선순위분석)

  • Jo, Myoung Rae;Lee, Min Jung
    • The Journal of the Korea Contents Association
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    • v.19 no.11
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    • pp.288-296
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    • 2019
  • The Korean textile industry faces a crisis, and overseas expansion is increasing. Indonesia, the third trading partner in the Korean textile industry, is the fifth largest country in terms of Korea's direct investment. This study intends to suggest a development strategy for Korean fabric mills to advance into Indonesia. First, the SWOT representative factors of the fabric mills considering the circumstances of Indonesia were derived through literature research and expert meeting. In order to derive the priority among these, AHP analysis was performed to derive the final weight and priority of the SWOT factors. Through this, I would like to suggest a management strategy that can be helpful to companies that have already entered Indonesia and are planning to enter the country in the future.

Determining Relative Weights of Criteria for Evaluating National Quarantine Station by the Analytic Hierarchy Process (AHP방법을 적용한 국립검역소 평가 준거의 가중치 결정)

  • Jeong, Mun-Yong;Lee, Moo-Sik;Kim, Dae-Kyung;Yoo, In-Sook
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.11 no.1
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    • pp.335-340
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    • 2010
  • In accordance with the increasing possibility that the new and reoccurring epidemics continuously appearing abroad flow into Korea, it is very important to evaluate the efficiency of quarantine management projects of National Quarantine Station. This study adopted the pairwise comparison approach using the analytical hierarchy process(AHP) that has been recognized with its scientific adequacy for allocating the weight, the relative importance of evaluation components. AHP technique is evaluated to be distinguished in measuring the impact by making hierarchy of, simplifying and systemizing the complicated multi-criteria decision making problems. The weights by evaluation indexes were 0.2 in the organization evaluation field and 0.8 in the service and program field. The quarantine business showed the highest value, 0.45, in the service and program field. The indexes were classified into the upper category (organization evaluation field, service and program evaluation field) and lower category (input/process/result/quarantine field, inspection field, hygiene management field, pathogenic organ investigation and monitoring field, epidemics prevention promotion/education field). The evaluation indexes that were finally selected were applied to the actual businesses in National Quarantine Station. Next, the minimum evaluation indexes were selected and so the evaluation system on the businesses in National Quarantine Station was more systemized.

Evaluation on Risk at the Port of Mokpo and its Approaches based on Relative Importance of Risk Factors for Marine Traffic Environment (해상교통환경 위험요소의 상대적 중요도를 고려한 목포항 및 진입수로의 위험도 평가)

  • Lee, Hong-Hoon;Kim, Chol-Seong
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.19 no.4
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    • pp.375-381
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    • 2013
  • To assess the risk of marine traffic environments, with high confidential level, the risk factors comprising it should be identified and the risk acceptance criteria should be also provided. Furthermore, the relative importance of each risk factor(the weight of each risk factor on total risk) should be analyzed because the risk is expressed as the sum of risk factors comprising it. The twenty kinds of risk factors and its assessment criteria were suggested for the domestic marine traffic environments by an examination of the existing risk assessment models on the previous studies. The relative importance of each risk factor was also analyzed through the questionnaire using analytic hierarchy process by the marine traffic experts on the same studies. Based on these previous studies, the risk was evaluated at the port of Mokpo and its approaches on this study. The port of Mokpo and its approaches were divided into four sectors for the comparative evaluation, the result of the comparative evaluation on four sectors showed that the risk of the Jeongdeung-hae passage is the highest due to higher risk level of some risk factors(water movements, complexities, tug boats, pilotage, VTS) than the other sectors. The result of this evaluation is in accord with the analysis results of the other studies using various qualitative or quantitative risk analysis methods at the same sea areas.

Development of an Technique for Assessing Priority of Alternatives in Railroad Projects Considering Civil Petitions (민원을 고려한 철도대안 우선순위 판단기법 개발)

  • Chung, Sung-Bong;Song, Ki-Han;Hong, Sang-Yeon;Kim, Dong-Jun;Kim, Dong-Sun
    • Journal of Korean Society of Transportation
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    • v.23 no.7 s.85
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    • pp.87-98
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    • 2005
  • Through rail transit has many merits as a safe, environmental harmonic and scheduled transit, there are many problems to construct railroads because of the public resentment. However, there is no reasonable way to settle the conflict properly and it causes enormous social and economic losses. This paper suggests a methodology to evaluate public complaint using the AHP technique, which is generally used as the methodology to evaluate public complaint using the AHP technique, which is generally used as the Multi-Criteria Decision Making (MCDM). However, the result from the AHP has some defects to control conflicts because the interests related to railroad projects are so complex that it is hard to make people persuaded easily. Therefore, this paper suggests 'the improvement ranking method', 'the sensitive analysis', and 'the assessment of independence relationship' which can aid the basic AHP to be robust. And the AHP. modified by fuzzy method, is also suggested to apply this methodology to example rail paths in Korea.

A study on watershed hydrologic cycle quantification and an evaluation framework of its hydrologic soundness (유역 물순환의 정량화 및 건전성 평가체계 연구)

  • Lee, Sangho;Kang, Taeuk;Jin, Youngkyu;Jo, Young Sik;Jeong, Hyunsik
    • Proceedings of the Korea Water Resources Association Conference
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    • 2022.05a
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    • pp.119-119
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    • 2022
  • 인위적, 자연적 요인에 의한 물순환 왜곡과 물순환 건전성 저하는 이수, 치수, 환경 등 다양한 물 관리 분야의 문제를 일으키고 있다. 이에 건전한 유역 물순환 관리에 관한 사회적 요구가 증대되고 있다. 유역의 물순환 관리를 위해서는 유역 전반의 물 이동과 물 이용에 관한 정량적인 평가가 선행되어야 하고, 유역의 물순환 건전성을 평가할 수 있는 체계가 필요하다. 이 연구에서 물순환 정량화를 위해 자연계 및 인공계 물순환 요소를 반영한 유역 유출 모형을 구축하였고, 관측 자료와 모형을 통해 분석된 결과를 이용하여 물순환을 정량화하였다. 한편, 물순환 건전성 평가를 위해 물환경, 물이용, 물안전의 3가지 범주 내에 수질 관리, 비점오염 관리, 수생태 관리, 하천유지기능, 지하수 보전, 치수 관리, 이수 관리의 7가지 항목에 대한 건전성을 평가할 수 있는 평가지표와 기준을 제시하였다. 그리고 계층 분석적 의사결정 기법에 따른 가중치를 이용하여 7개의 평가항목을 종합한 물순환 건전성 지수(hydrologic soundness index; HSI)를 도입하였다. 구성된 물순환 정량화 및 건전성 평가체계를 경안천과 남강, 미호천, 황룡강 중권역에 적용하여 중권역별로 필요한 물순환 개선 사업과 투자 우선순위가 높은 표준유역을 식별하였다. 이 연구에서 제시한 물순환 정량화 및 건전성 평가체계는 유역의 다양한 물 문제를 객관적으로 진단하는 한 가지 방편으로서, 유역의 물 문제 해결을 위한 기술적 정보 제공에 이바지할 수 있다.

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Analysis on Response System against International Maritime Terrorism : Using Analytic Hierarchy Process(AHP) Method (국제해상테러 대응체계의 우선순위 분석 : 계층적 의사결정기법(AHP)을 이용하여)

  • Oh, Tae Kon
    • International Area Studies Review
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    • v.17 no.4
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    • pp.181-202
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    • 2013
  • After the Cold War, international terrorism and related issues have been the most urgent problems. However, Korea hasn't recognized this seriousness due to relatively slight damage. Yet the interest about the international maritime terrorism and related issues is increasing as the maritime terrorism issues emerged. This is because Korea is located next to three oceans and majority of international trades depend largely on international maritime transportation due to its scarce natural resources. Therefore this study has the purpose that it reviews the advanced researches and documents, analyzes the priority about response system against international maritime terrorism, suggests the practical solutions. For these purposes, it conducted Delphi technique to international maritime terrorism experts with response system factors selected among the advanced researches and documents. As the result of analysis, this study figured out that legal and institutional countermeasures are needed as international measures, strategic countermeasures are needed as domestic measures to set up the response system against international maritime terrorism. Synthetically, for the efficient and practical counteract against international maritime terrorism, the response institute against international maritime terrorism and the awareness of relevant experts are preferentially necessary.

A Study on the Importance Analysis for Improving the Efficiency of Seafarer's Policy (선원정책의 효율성 제고를 위한 중요도 분석에 관한 연구)

  • Choi, Jung-Suk;Lee, Jin-Suk;Kwon, Yu-Min
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.27 no.2
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    • pp.219-227
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    • 2021
  • This study aimed to determine the importance of the policies formulated through the Ministry of Maritime Affairs and Fisheries' master plan for Seafarer's policy. To confirm the importance of the Seafarer's policy, AHP analysis was conducted on the 3 main policies and 15 auxiliary policies established by the master plan for Seafarer's policy. To analyze the reliability of the survey, we investigated the inconsistency ratio of 34 respondents retrieved. We found that 25 respondents validated the reliability of the findings. The analysis showed that the policy of establishing a stable supply and demand system was the most important among the main policies for seafarers, while the policy of fostering seafarers linked to jobs was the most important one among the auxiliary policies. By group, the government recognized establishing a stable supply and demand system as a priority of policy. Dif erences were found on the fact that improving working conditions and expanding welfare were important for seafarers. This study, which analyzed the importance of the Seafarer's policy through AHP analysis, has the following implications. We established guidelines to enhance efficiency, such as budget allocation by policy according to the importance in implementing Seafarer's policies. Furthermore, our study can be used as basic data for establishing a master plan for Seafarer's policy by comparing differences in importance per group.

An Analysis of the Locational Selection Factors of the Small- and Medium-sized Hospitals Using the AHP : Centered on the Spine and Joint Hospitals (AHP를 이용한 중·소 병원 입지선택요인 분석 : 척추·관절 병원중심으로)

  • Kim, Duck Ki;Shim, Gyo-Eon
    • The Journal of the Korea Contents Association
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    • v.18 no.5
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    • pp.191-214
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    • 2018
  • This research empirically analyzed the selection factors and the locational selection factors of the medical service facilities according to the gradual increase of the importance of the selection factors and the locational selection factors regarding the establishments of the small- and medium-sized hospitals according to the rapid changes of the socio-economic conditions. By analyzing the priority order according to the levels of the importance of each evaluation item factor through a research related to the selection factors and the locational selection factors of the small- and medium-sized hospitals and by drawing what the important factors that have the influences on the competitiveness of the pre-existent small- and medium-sized hospitals are through the classification of the real estate locational factors and the non-locational factors, the purpose lies in utilizing them as the basic data and materials for the opening strategies of the small- and medium-sized hospitals considering the special, locational characteristics according to the important factors of the selection factors of the small- and medium-sized hospitals, regarding the medical suppliers that have been preparing, for opening the new, small- and medium-sized hospitals. Based on the results of the preceding researches and the researches on the case examples, 28 evaluation factors were arrived at in terms of the level of the medical treatment, the medical services, the accessibilities of the hospitals, the conveniences of the hospitals, and the physical environment. And, regarding the 28 detailed evaluation factors that had been collected, through the interviews with the related experts, the 5 factors of the medical level, the medical service, the expertise of the hospital, the convenience of the hospital, and the physical environment were selected as the upper class evaluation factors. And, according to each upper class, a total of 28 low-part evaluation factors were selected. Regarding the optimal evaluation factors that were selected, the optimal locational factors were selected by carrying out an AHP questionnaire survey investigation with 200 medical experts as the subjects. Regarding the AHP analysis results, similarly with the case examples of the precedent researches, the levels of the importance appeared in the order of the medical level, the medical services, the accessibility of the hospital, the physical environment, and the convenience. And the factors that were related to the facilities of a hospital appeared low. The results of this research can be applied in providing the basis for the decision-makings regarding the selections of the locations of the small- and medium-sized hospitals in the future.