• Title/Summary/Keyword: Delphi-AHP

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A Survey of Expert's Perceptions about Landscape Elements in Organic Farmland (유기농경지 농업생산경관 구성요소에 대한 전문가 인식 조사)

  • An, Phil-Gyun;An, Nan-Hee;Shin, Ji-Hoon;Shin, Jea-Hoon
    • Korean Journal of Organic Agriculture
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    • v.24 no.4
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    • pp.681-698
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    • 2016
  • With increasing public concern for environmentally friendly agriculture, ecological aspect of landscape management is of growing importance. AHP (Analytical Hierarchy Process) analysis were conducted based on the delphi survey of 31 experts to evaluate the relative importance and the preference of landscape elements. Landscape components of organic farmland were classified into 2 landscape fields, 5 landscape types, 14 landscape units, and 37 landscape elements. Overall relevance score for the proposed landscape components were about 5.5 on the seven point scale. While the relative importance weight of cropland landscape field was 0.71, the weight of intra-structure landscape field was 0.29. Among the cropland landscape, relatively higher weight was assigned to farming system (0.47) and margins (0.31), as compared with hydrological system (0.22). In the farming system, crop (0.40) and farm land (0.39) were the most important landscape units. In the margins, higher weight was given to Buffer zone (0.44) and Trees (0.42). Biological habitat (0.43) ranked the highest score in the hydrological system. Preferable landscape elements were glass house, companion plants, rice paddy field, diverse crop species, small pond, and small river, which are representing ecological advantage of organic farming systems. This result indicated that the landscape elements identified in the study would be suitable to evaluate ecological aspect of rural landscape in organic farmland.

Deciding of the Priority Elements for Choosing Third-Party Logistics Provider in International Logistics (국제물류분야의 제3자 물류업체 선정을 위한 우선순위 요소 결정)

  • Ha, Chang-Seung
    • Journal of Fisheries and Marine Sciences Education
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    • v.25 no.5
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    • pp.1214-1223
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    • 2013
  • The purpose of this work is to analyze the factors, criteria and importance that shippers in the international logistics industry take into account in choosing third-party logistics, and thereby to propose the directions of the areas and functions that third-party logistics will need to enhance on the basis of Analytic Hierarchy Process (AHP) methodology. To do that, this work collected and analyzed materials about changing environments of logistic industry and previous studies, and especially conducted a questionnaire survey on the factors to choose third-party logistics with the study subjects of shippers in the international logistics industry. To draw attribute factors, this work repeatedly chose and classified candidate factors through Delphi technique on the basis of the data of previous studies. The analysis results are presented as follows: regarding pairwise comparison between logistic cost and logistic service in relation of conflict, logistic service was recognized to be more important than logistic cost; regarding pairwise comparison between corporate capability and logistic cost, logistic cost was recognized to be more important; and regarding comprehensive evaluation, logistic service factors, including accuracy of order handling, service reliability, freight damage and compensation, a degree of fulfillment of promise, quality of transportation, and problem-solving ability, were found to be in high position.

Long-Range Water Resources Prediction and Flood Risk Assessment using Climate Information (기후정보 활용 수자원 장기예측 및 중장기 홍수위험도 평가)

  • Yoon, Sunkwon;Choi, Jihyeok;Moon, Young-IL
    • Proceedings of the Korea Water Resources Association Conference
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    • 2018.05a
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    • pp.17-17
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    • 2018
  • 재난발생 위험은 불확실성을 내포하고 있으며, 이러한 불확실성 요인을 줄이고 사전에 소멸시키는 일은 매우 중요한 사항이 될 수 있다. 또한 재난관리 관점에서 그것이 발생했을 때 어떤 식으로 대응할지에 대한 과정이 체계적으로 갖추어져 있어야 하며, 복구 및 재발 방지를 위한 지속적인 노력이 수반될 필요성이 있다. 본 연구에서는 기후정보를 활용한 중장기 수문예측을 실시하고 통합홍수위험평가 시스템 구축을 통한 홍수위험도 분석을 실시하였다. 이를 위하여 우리나라 243개 지자체를 대상으로 홍수관련 위해성, 노출성, 취약성 자료를 수집하여 표준화하였으며, 전문가 Delphi-AHP 설문조사 분석을 통하여 가중치를 적용하고 위험도를 예측 평가하였다. 이러한 중장기 위험 예측 정보는 한 달 또는 수개월 전에 지자체 행정력을 집중 및 분산시키고, 수재해(홍수/가뭄 등) 위험관리 계획 수립이 가능하여 재난관리자에게 유용한 정보로 활용될 수 있을 것이다. 또한 재난의 생애주기(Life Cycle)별 예방, 대비, 대응, 복구 단계에 따라 사전과 사후에 가능한 주요 활동들을 구체화 할 수 있으며, 시간 스케일별 기후예측 정보를 활용한 재난관리 패러다임 전환과 골든타임 확보 등 수자원예측 분야 기술적 진보를 이룰 수 있을 것으로 기대한다. 향후 통계 역학 모형 기반 중 장기 예측 정보의 신뢰도가 향상 된다면 보다 다양한 분야 예측 정보 서비스 및 활용이 가능할 것이다.

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The Application of Delphi-AHP Method in the Priority of Policies for Expanding the Use of Artificial Intelligence

  • Han, Eunyoung
    • Journal of Internet Computing and Services
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    • v.22 no.4
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    • pp.99-110
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    • 2021
  • Governments around the world are actively establishing strategies and initiatives to spread the use of artificial intelligence (AI), for AI is not a mere new technology, but is an innovative technology that brings about extensive changes in industrial and social structures and is a core engine that will lead the 4th Industrial Revolution. The South Korean government has also been paying attention to AI as a technology and tool for innovative growth, but its application to the industries is still rather sluggish. The government has prepared multifarious AI-related policies with the aim of constructing South Korea as an AI powerhouse, but there is no clear strategy on which detailed policies to implement first and which industries to apply AI preferentially. With these limitations of South Korea's AI policies in mind, this paper analyzed the priorities of industries in AI adoption and the priorities of AI-related national policies, using Delphi-AHP method for 30 top-level AI experts in South Korea. The results of analysis show that AI application is urgent and necessary in the fields of medical/healthcare, public and safety, and manufacturing, which seems to reflect the peak of the COVID-19 crisis in the second half of 2020 at the time of the investigation. And it turns out that policies related to AI talent cultivation, data, and R&D investment are important and urgent above all in order for organizations to apply AI. This suggests that strategies are required to focus limited national resources on these industries and policies first.

Research on the development of demand for medical and bio technology using big data (빅데이터 활용 의학·바이오 부문 사업화 가능 기술 연구)

  • Lee, Bongmun.;Nam, Gayoung;Kang, Byeong Chul;Kim, CheeYong
    • Journal of Korea Multimedia Society
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    • v.25 no.2
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    • pp.345-352
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    • 2022
  • Conducting AI-based fusion business due to the increment of ICT fusion medical device has been expanded. In addition, AI-based medical devices help change existing medical system on treatment into the paradigm of customized treatment such as preliminary diagnosis and prevention. It will be generally promoted to the change of medical device industry. Although the current demand forecasting of medical biotechnology commercialization is based on the method of Delphi and AHP, there is a problem that it is difficult to have a generalization due to fluctuation results according to a pool of participants. Therefore, the purpose of the paper is to predict demand forecasting for identifying promising technology based on building up big data in medical biotechnology. The development method is to employ candidate technologies of keywords extracted from SCOPUS and to use word2vec for drawing analysis indicator, technological distance similarity, and recommended technological similarity of top-level items in order to achieve a reasonable result. In addition, the method builds up academic big data for 5 years (2016-2020) in order to commercialize technology excavation on demand perspective. Lastly, the paper employs global data studies in order to develop domestic and international demand for technology excavation in the medical biotechnology field.

Decision Support Model for Establishing Plans of Gamyeong Restoration Project (감영 복원사업의 계획수립을 위한 의사결정 지원 모델 구축)

  • Kim, Jong-Hun;Haan, Chan-Hoon;An, Dai-Whan;Cha, Minsu
    • Journal of the Korea Institute of Building Construction
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    • v.23 no.6
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    • pp.851-862
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    • 2023
  • This study introduces an objective and systematic framework for prioritizing buildings in the Gamyoung restoration project using a decision-support model. This model integrates evaluation criteria derived from a comprehensive literature review, refined through the Delphi method, and weights assigned via an Analytic Hierarchy Process(AHP) survey. Each building project is scored against these criteria to ascertain its priority for restoration, thereby facilitating informed decision-making for budget allocation in restoration projects. The effectiveness of the decision-support model was validated through a case study and expert consultations, demonstrating its practical utility in formulating concrete restoration project plans.

A strategic R&D resource allocation and project selection based on R&D policy and objectives (정책목표와 연계한 전략적 R&D 투자재원배분 및 연구과제 선정방안연구)

  • 서창교;박정우
    • Journal of the Korean Operations Research and Management Science Society
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    • v.16 no.2
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    • pp.61-61
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    • 1991
  • We propose a strategic R&D resource allocation and project selection model based on national R&D policy and objectives. First, contributions to R&D policy and objectives for each R&D area are evaluated by using analytical hierarchy process (AHP). Second, fuzzy Delphi are proposed to estimate R&D budget for each R&D area. Then, a project selection grid is also introduced to implement two-phased evaluation for R&D project selection. We also discuss how to improve the consistency in AHP and how to reduce the pairwise comparison in AHP. The proposed model enables the decision makers to allocate R&D budget, and to evaluate and select the R&D proposals based on both the contribution to national R&D policy and objectives, and the size of each R&D area concurrently

A strategic R&D resource allocation and project selection based on R&D policy and objectives. (정책목표와 연계한 전략적 R&D 투자재원배분 및 연구과제 선정방안연구)

  • 서창교;박정우
    • Korean Management Science Review
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    • v.16 no.2
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    • pp.61-77
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    • 1999
  • We propose a strategic R&D resource allocation and project selection model based on national R&D policy and objectives. First, contributions to R&D policy and objectives for each R&D area are evaluated by using analytical hierarchy process (AHP). Second, fuzzy Delphi are proposed to estimate R&D budget for each R&D area. Then, a project selection grid is also introduced to implement two-phased evaluation for R&D project selection. We also discuss how to improve the consistency in AHP and how to reduce the pairwise comparison in AHP. The proposed model enables the decision makers to allocate R&D budget, and to evaluate and select the R&D proposals based on both the contribution to national R&D policy and objectives, and the size of each R&D area concurrently.

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Developments of performance-based evaluation criteria of utility tunnel (성능중심의 공동구 평가 기준 개발)

  • Byun, Yo-Seph;Seong, Joo-Hyun;Cho, Gey-Chun
    • Journal of Korean Tunnelling and Underground Space Association
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    • v.24 no.6
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    • pp.715-724
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    • 2022
  • With the enforcement of the infrastructure management act, the importance of utility tunnels that jointly accommodate life-lines such as electricity, communication, water supply, and heating facilities has increased. The currently applied utility tunnel maintenance system is managed in an accident-preventive safety-based evaluation method. However, this evaluation method has limitations in effective maintenance. In this study, performance evaluation items were derived through the Delphi method to suggest a criterion for quantitatively evaluating the performance of utility tunnels, and the weights for each item were calculated through the Analytic Hierarchy Process (AHP) method. In the future, it is judged that a more reasonable performance evaluation standard of utility tunnel can be prepared if modifications and supplements are made through field application.

A Preference of Smartphone Locking Algorithms Using Delphi and AHP (Aanalytic Hierarchy Process) (델파이와 계층분석기법을 이용한 스마트폰 잠금 알고리즘 선호도 분석)

  • Nam, Soo-Tai;Shin, Seong-Yoon;Jin, Chan-Yong
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.23 no.10
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    • pp.1228-1233
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    • 2019
  • Recently, a variety of algorithms using encryption technology have been adopted as methods of unlocking smartphone. It is advancing toward the direction to solve the unlocking problem through human biometrics technology, which has already succeeded in commercializing. These include finger print recognition, face recognition, and iris recognition. In this study, the evaluation items are five algorithms, including finger print recognition, face recognition, iris recognition, pattern recognition, and password input method. Based on the algorithms adopted, the AHP (analytic hierarchy process) technique was used to calculate the preferred priorities for smartphone users. Finger print recognition ( .400) was the top priority for smartphone users. Next, pattern recognition ( .237) was placed in the second priority for smartphone users. Therefore, based on the results of the analysis, the limitations of the study and theoretical implications are suggested.