• Journal of Technology Innovation
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• v.24 no.1
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• pp.25-48
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• 2016

With the drastic changes toward open innovation, there have been many studies focusing on analyzing the characteristics of open innovation and fostering the open innovation. The most prominent research in open innovation literature is related to the partner selection. In partner selection process, what is important is to identify the expected performance when conducting open innovation with this partner. Therefore, this study suggests an integrative framework of BSC-AHP to support the effective partner selection. The aim of this study is to select the most desirable partner which maximize the performance of the firm after conducing open innovation. This paper employs BSC framework to prepare and characterize relevant decision criteria for the partner selection, and employs AHP to evaluate the partner alternatives under the prepared decision criteria.

• Journal of the Korea institute for structural maintenance and inspection
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• v.24 no.3
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• pp.26-38
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• 2020

Mixture design of self-compacting concrete is a typical multi-criteria decision making problem and conventional mixture designs are based on the low level engineering method like trials and errors through iteration method to satisfy the various requirements. This study concerns with performing the straightforward multiobjective design optimization of economic SCC mixture considering relative importances of the various requirements and cost-effectives of SCC. Total five requirements of 28day compressive strength, filling ability, segregation stability, material cost and mass were taken into consideration to prepare the objective function to be formulated in form of the weighted-multiobjective mixture design optimization problem. Economic SCC mixture computational design can be given in a rational way which considering material costs and the relative importances of the requiremets and from the result of this study it is expected that the development of SCC mixtue computational design and the consequent univeral concrete material design optimization methodology can be advanced.

• Proceedings of the Korea Water Resources Association Conference
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• 2015.05a
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• pp.444-444
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• 2015

현제 도시유역의 산업화와 도시화로 인해 유역 내 불투수면적의 증가는 직접 유출량 증가, 지하수자원 고갈, 침투량 감소, 증발산량의 감소 등의 물 순환 체계의 변화를 가져왔다. 이러한 도시 유역 내 물 순환 체계 변화를 개선하기 위해 여러 국가에서 저영향개발(Low Impact Development, LID)의 개발 및 도입이 진행되고 있다. LID는 분산형 빗물관리 시설로써 유역 내 소규모의 LID 요소기술을 대상유역에 적용하여 강우유출수를 저류, 체류, 방지 및 처리하는 시설을 의미한다. LID는 궁극적 목표로 계획단계에서 개발이전의 수문기능을 유지하기 위해 보전, 영향최소화, 유출이동시간 유지, 추가유출량 감소, 오염발지에 초점을 맞추어 계획된다. 현제 LID의 성능 및 적용성에 대한 다양한 연구가 진해되어지고 있으나, LID 요소기술별 시공 비용, 유지관리 비용, 강우유출수 저감효율, 비점오염원 저감효율, 적용위치 등의 다양한 인자를 복합적으로 고려하여 LID요소기술별 적용성 평가를 수행한 연구는 미미한 실정이다. 따라서 본 연구에서는 LID 요소기술 중 나무화분 여과장치, 옥상녹화, 빗무정원, 투수성포장, 침투트렌치, 빗물통, 식생수로 등의 총 7가지 LID 요소기술을 대상으로 연구를 수행하였다. LID 요소기술의 적용성평가를 수행하기 위해 시공비용, 유지관리비용, 강우유출수 저감효율, 비점오염원 저감효율, 적용위치 등의 촐 5가지 평가인자를 Entropy 방법을 이용하여 평가인자별 가중치를 산정하였다. 이후 다기준의사결정 방법 중 PROMETHEE 방법을 이용하여 LID 요소기술의 우선순위를 산정하였다. 현제 PROMETHEE 방법을 이용하여 LID 요소기술별 우선순위를 산정한 결과 옥상녹화가 첫번째 우선순위로 분석되었으며, 침투트렌치, 나무화분여과장치, 투수성포장, 식생수로, 빗물통, 빗물정원 순으로 분석되었다. 따라서 국내에 LID를 적용할 경우 옥상녹화, 침투트렌치, 나무화분 여과 장치 등의 LID 요소기술의 적용성 및 기대효과가 클 것으로 판단된다. 그러나 국내의 모든 지역을 대상으로 적용하기에는 문제가 있으며, 국내 LID 요소기술 적용 시 기초자료로 사용될 수 있을 것으로 판단된다. 대상지역별 신뢰도 높은 LID 요소기술 적용성 평가를 위해서는 대상유역 내 시공된 LID 요소기술을 계측하여 비점오염원 및 우수유출수 저감효율, 시공 비용, 연간 유지관리 비용을 분석하여 평가를 수행되어 한다고 판단된다.

• Spatial Information Research
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• v.20 no.6
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• pp.33-43
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• 2012

As part of recent sustainable transport, bike has come into the spotlight as a green transport at close range to link between walking and public transit and also alterative to solve problems of existing vehicle travel. Some arguments on promotion of using bicycles have already been made in Europe, the U.S and other developed countries. To be sure, much has been written extensively in description of utilization of bike oriented by supplier, for examples, Level of Service with bike path, infrastructure such as bicycle racks and lounge etc. Therefore, our study has been differentiated in development of new evaluation model focused on level of bike user's satisfaction, comprehensively considering suitability for bikeway installation, connectivity of the public transportation system and stability in Incheon City. ANP(Analytic Network Process) analysis which is able to allow consideration of the interdependence of criteria has been hired due to multi-collinearity instead of AHP used in multi-criteria decision analysis. Last but not least, we drew bike route on a case-by-case for maintenance and improvement of its facility in Namdong-gu and Bupyeong-gu. To conclude, suggested finding has dem onstrated the validity of evaluation scheme for bikeways which is appropriate for type and purpose and ultimately this can be used to establish policy decision making for improvement of bikeway.

• Journal of the Korean GEO-environmental Society
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• v.21 no.10
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• pp.11-16
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• 2020

Korea's agricultural reservoir is one of the country's major infrastructures and plays an important role in people's lives. However, aging reservoirs are a risk for life and property. Currently, large and small dams and reservoirs have been constructed nationwide for more than 40 years of aging. Dams and reservoirs built nationwide are managed by various institutions. Therefore, it is difficult to manage all dams and reservoirs due to cost and time. Managers in the field with less management personnel and lack of expertise should be able to quickly identify risk factors for multiple reservoirs. In this study, risk factors such as seepage, leakage, settlement slide, crack and erosion were selected. To assess the risk of the items, we used the analytical hierarchical process (AHP), one of the Multi-Criteria Decision Making (MCDM) methods. The analysis showed that seepage has the greatest impact on reservoir collapse. It is judged that the priority of detailed diagnosis can be determined by evaluating the risk of dam reservoir collapse in a convenient way in advance using the calculated weight.

• 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.

• Journal of Korea Water Resources Association
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• v.55 no.2
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• pp.159-170
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• 2022

As the severity of water-related disasters increases in urban watersheds due to climate change, reducing flood damage in urban watersheds is one of the important issues. This study focuses on prioritizing the optimal site for permeable pavement to maximize the efficiency of reducing flood damage in urban watersheds in the future climate environment using multi-criteria decision making techniques. The Mokgamcheon watershed which is considerably urbanized than in the past was selected for the study area and its 27 sub-watersheds were considered as candidate sites. Six General Circulation Model (GCM) of Coupled Model Intercomparison Project 6(CMIP6) according to two Shared Socioeconomic Pathway (SSP) scenarios were used to estimate future monthly precipitation for the study area. The Driving force-Pressure-State-Impact-Response (DPSIR) framework was used to select the water quantity evaluation criteria for prioritizing permeable pavement, and the study area was modeled using ArcGIS and Storm Water Management Model (SWMM). For the values corresponding to the evaluation criteria based on the DPSIR framework, data from national statistics and long-term runoff simulation value of SWMM according to future monthly precipitation were used. Finally, the priority for permeable pavement was determined using the Fuzzy TOPSIS and Minimax regret method. The high priorities were concentrated in the downstream sub-watersheds where urbanization was more progressed and densely populated than the upstream watersheds.

• 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.