• Title/Summary/Keyword: , AHP 분석

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Development of an Index for the Risk Assessment of Walking Trail (탐방로 재난 위험성 평가를 위한 위험지수 개발)

  • Kwak, Jae Hwan;Kim, Hong Gyun;Kim, Youl;Kim, Man-Il;Lee, Moon Se
    • The Journal of Engineering Geology
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    • v.28 no.3
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    • pp.379-395
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    • 2018
  • A walking trail environment can be divided into the upper part of the trail, the trail itself, and the lower part of the trail. In this study, based on field investigations, we developed a risk index for trails by considering human/societal factors that affect each of these three trail environments. A checklist was developed for field investigations, and checklist items were scored through relative importance analysis. The relative weights of items were analyzed using the AHP (Analytic Hierarchy Process) technique, revealing that the upper environment of a trail is twice as important as the rest of the environment. The importance and score of items belonging to each environment were determined. We define the risk index as the sum of the item scores. Weights were added using data from existing investigations including landslides risk rating and designated risk steep slopes. The risk index has a maximum value of 200, and the maximum and minimum calculated scores of 335 risk sections were 159 and 64.2, respectively. As a result of comparative analysis between field observations and risk index calculations, most sections at relatively low risk had risk values less than 100, and sections with high risks or that had been the site of accident yielded scores that exceeded 140.

An Importance Analysis on the Problem of Design Competition of Landscape Architecture (조경설계공모의 문제점 및 요소별 중요도 분석)

  • Lee, Joo-Hee;Cho, Se-Hwan
    • Journal of the Korean Institute of Landscape Architecture
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    • v.41 no.6
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    • pp.62-71
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    • 2013
  • This study is conducted for the purpose of analyzing and contemplating the problems with the competition in current landscape design, with the goal of improving the landscape design competition system by using the AHP technique. The result of this study, first describe the Landscape design competition system that formed the problems and show the most important problem followed by other problems shown in order of importance, which are 'design changes after winning', 'Guidelines for design competition' and 'Landscape design competition manner'. Secondly, in the low rank article make up the level one -From a total 12 elements from the low rank article corresponding in 'process of winner selection' the 'Unprofessional landscape participate the screening' collected comments for the biggest problem, 'lack of expertise in judgement', 'problems with the examination scoring system' and other articles, the corresponding in 'process of winner selection' appears at the highest ranks. It also happens that after making the choice in the landscape design competition, the importance of 'client's design change symptoms' appears high. As a result the overlooked details of the landscape design competition's problems were analyzed. This study has prioritized the problems by problems which landscape design competition institutions most frequently have. Based on this ranking, there is significance purpose to create proactive system improvements in the future. By analyzing these problems, we will be better able to develop improvements to the future system.

An Analysis on the Importance of Planning Indicator of Traffic Calming Technique for Walk Safety - Focusing on Physical Side - (보행안전을 위한 교통정온화(Traffic Calming) 계획지표의 중요도 분석 - 물리적인 측면을 중심으로 -)

  • Yoon, Sanghoon;Choi, Hyoungsun;Lee, Joohyung
    • Journal of the Society of Disaster Information
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    • v.11 no.4
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    • pp.570-580
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    • 2015
  • In the study, planning indicator that should be considered in applying traffic calming technique was derived, and it was intended to analyze the importance of indicator that should most considered in planning traffic calming technique through AHP analysis on the basis of it. The result of planning indicator may be summarized by dividing into road section and crossing section. In road section, hump (0.35) for equipment stimulating reduction of speed, hump image/fort (0.31) for visual control equipment, and slalom type road (0.52) for chicane, and bollard (0.47) for blocking passing route are shown to be the most important and come before anything. In crossing section, signal indicator (0.33) for visual control equipment, rumble strip (0.44) for equipment stimulating reduction of speed, zigzag type road (0.65) for chicane, and blocking going straight at crossing (0.45) for blocking passing route are shown to be the most important and come before anything. The result of the study is judged to be used for basic material in applying traffic calming technique and establishing policy hereafter.

A study on the Activation Schemes of Cold Chain Logistics System in Incheon Port (인천항 콜드체인 물류체계 활성화 방안에 관한 연구)

  • Kim, Hong-seop;Shang, Yufei
    • Journal of Korea Port Economic Association
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    • v.35 no.3
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    • pp.19-40
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    • 2019
  • Ports have been facing the adverse impacts of the global recession. In terms of imports, with a vast consumption hinterland, the Incheon Port has developed as the metropolitan's gateway. Additionally, the port's exports to China has been increasing due to a consistent increase in the demand of cold chain foods in the country. Considering the short distance between the Incheon Port and the ports in Northern China, the Incheon Port can serve as a logistics hub and a distribution center for exporting processed foodstuffs to China. The establishment of a cold chain logistics system at the Incheon Port will prove to be a robust strategy. After reviewing studies and interviews from various departments, this study suggested strengths, weaknesses, opportunities, and threats (SWOT) facing the Incheon Port, based on a SWOT analysis; it also recommended competitive strategies for the port. Additionally, the study used the analytic hierarchy process (AHP) to identify important factors such as the infrastructural, operational, cost, and technology factors. This study identified the infrastructural factor to be highly critical to the activation of the Incheon Port's cold chain system. Based on the results, the study proposed policies and strategy directions.

Applicability Analysis of Foundation Reinforcement Method for Expanding Underground Parking Lot Using AHP Technique (AHP기법을 활용한 지하주차장 기초보강공법의 적용성 분석)

  • Shin, Myeong-Ha;Lee, Chansik
    • Journal of the Korea institute for structural maintenance and inspection
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    • v.21 no.3
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    • pp.93-101
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    • 2017
  • The shortage of parking lots in aged apartment complexes built from the 1980s to the mid 1990s is serious. When we look at the case of parking lot expansion in the aged apartment complexes, the method of extending the underground parking lot vertically occupies the majority. It is very important to secure the structural safety of the foundations when the existing buildings are enlarged. In the case of underground vertical work, the work space should be narrow, so that a method with excellent safety, environmental and construction properties should be applied. Urban construction is also required to use construction methods and equipment with low noise and vibration. This study analyzed the factors influencing the selection of the foundation reinforcement method for the expansion of the underground parking lot and Weights of influence factors were calculated. The purpose of this study was to analyze the applicability of the foundation reinforcement method. Factors influencing the applicability of the foundation reinforcement method were derived through expert interviews and The AHP technique was used to calculate the weight of the influencing factors. It was evaluated by experts on the applicability of the foundation reinforcement method. It conducted a case study on two types of underground parking lot expansion type and compared the applicability of the foundation reinforcement method.

A Study on the Factors Affecting Investment Decision of Korean Venture Capitalist (한국 벤처캐피탈리스트의 투자결정에 미치는 요인 연구)

  • Koo, JungHwe;Kim, YoungJun;Lee, SuYong;Kim, Dohyeon;Baek, Jiyeon
    • Asia-Pacific Journal of Business Venturing and Entrepreneurship
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    • v.14 no.4
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    • pp.1-18
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    • 2019
  • Venture capitalists (VCs) play an important role in finding and growing innovative venture companies with high growth potential but high risk. Venture capital investment does not depend on the system, unlike the investment for listed companies. Korea's venture capital industry has entered a period of growth, but lack of data has led to a lack of research on venture capital. Based on this background, this study attempts to analyze various factors affecting investment decision criteria of Korea VCs. In this study, I examined the major factors that VCs consider in decision making of investment through literature review, and I have drawn the research question accordingly. I will focus on the characteristics of founders, products / services, markets, financials, and networks that scholars share common investment decision criteria in Korean VCs. For the purpose of this study, the data were collected through the questionnaire surveyed by investment vetters working in current venture capital and analyzed using AHP analysis. Through this study, I tried to understand the Korean venture capital which has been poorly studied and what criteria and priorities Korean VCs make investment decisions in the Korean venture investment environment. The results of this research will contribute to the vitalization of venture investment, which is important for the upbringing of companies, by providing guidelines for establishing investment attraction strategies of venture companies.

Derivation of Important Factors the Resilience of Purchased Land in the Riparian Zone Using AHP Analysis (AHP분석을 활용한 수변구역 매수토지의 회복탄력성 중요인자 도출)

  • Back, Seung-Jun;Lee, Chan;Jang, Jae-Hoon;Kang, Hyun-Kyung;Lee, Soo-Dong
    • Korean Journal of Environment and Ecology
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    • v.35 no.4
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    • pp.387-397
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    • 2021
  • This study aims to present reference data necessary for developing evaluation indicators to analyze the actual resilience of purchased land by investigating the factors that affect the restoration of the purchased land in the riparian zone and quantitatively calculating its importance. The main results are as follows. Firstly, this study identified 34 potential resilience factors through a literature review encompassing domestic and overseas studies and derived seven ecological responsiveness factors, six physical responsiveness factors, and four managerial responsiveness factors through the Delphi survey. Secondly, reliability analysis and Analytic Hierarchy Process (AHP) analysis derived the following important factors: structural stability of the vegetation restored in the purchased land, species diversity of wildlife, structural stability of wildlife, the size of restored wetland after purchase, number of plant species, and the land cover status adjacent to the purchased land. The study results are expected to be helpful information for ecological restoration and management plans reflecting reinforcing factors for resilience at each stage of land purchase, restoration, and management.

Analysis on Importance of Success Factors to Select for the Cloud Computing System Using AHP at Cyber Universities in Korea (AHP를 이용한 국내 사이버대학교 클라우드 컴퓨팅 시스템 구축 성공 요인의 중요도 분석)

  • Kang, Tae-Gu;Kim, Yeong-Real
    • Journal of the Korea Convergence Society
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    • v.13 no.1
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    • pp.325-340
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    • 2022
  • Amid the unprecedented situation of COVID-19 around the world, online education has established itself as an essential element in the era of zero contact and the importance of various content and changes of the system that are appropriate for the era of the 4th industrial revolution has increased. Although universities are making their efforts to combine ICT technologies and design and achieve new systems, the recognition and atmosphere for establishing the cloud computing system are falling short. The purpose of this research importance of success factors of "Building a cloud computing system of cyber university in Korea" by classifying the work characteristics and scale, and to derive and analyze the importance cloud rankings considering the organization and individual dimension. Therefore, this study has drawn 14 major factors in the previous researches and models through the survey on experts with knowledge related to the cloud computing. The analysis was conducted to see what differences there are in factors for the successful establishment of the cloud computing system using AHP. It is expected that the factors for success presented through this study would be used as systemic strategies and tools for the purpose of drawing factors for the success of establishing the private cloud computing system for the higher education institutions and public information systems.

User Perception of Personal Information Security: An Analytic Hierarch Process (AHP) Approach and Cross-Industry Analysis (기업의 개인정보 보호에 대한 사용자 인식 연구: 다차원 접근법(Analytic Hierarch Process)을 활용한 정보보안 속성 평가 및 업종별 비교)

  • Jonghwa Park;Seoungmin Han;Yoonhyuk Jung
    • Information Systems Review
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    • v.25 no.4
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    • pp.233-248
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    • 2023
  • The increasing integration of intelligent information technologies within organizational systems has amplified the risk to personal information security. This escalation, in turn, has fueled growing apprehension about an organization's capabilities in safeguarding user data. While Internet users adopt a multifaceted approach in assessing a company's information security, existing research on the multiple dimensions of information security is decidedly sparse. Moreover, there is a conspicuous gap in investigations exploring whether users' evaluations of organizational information security differ across industry types. With an aim to bridge these gaps, our study strives to identify which information security attributes users perceive as most critical and to delve deeper into potential variations in these attributes across different industry sectors. To this end, we conducted a structured survey involving 498 users and utilized the analytic hierarchy process (AHP) to determine the relative significance of various information security attributes. Our results indicate that users place the greatest importance on the technological dimension of information security, followed closely by transparency. In the technological arena, banks and domestic portal providers earned high ratings, while for transparency, banks and governmental agencies stood out. Contrarily, social media providers received the lowest evaluations in both domains. By introducing a multidimensional model of information security attributes and highlighting the relative importance of each in the realm of information security research, this study provides a significant theoretical contribution. Moreover, the practical implications are noteworthy: our findings serve as a foundational resource for Internet service companies to discern the security attributes that demand their attention, thereby facilitating an enhancement of their information security measures.

Importance Analysis of ESG Management Diagnosis Items for Small and Medium-sized Logistics Companies (중소·중견 물류기업 ESG 경영 이행 진단항목 중요도 분석)

  • Wonbae Park;Maowei Chen;Jayeon Lee;Kyongjun Yun
    • Journal of Korea Port Economic Association
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    • v.40 no.2
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    • pp.53-64
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    • 2024
  • ESG management has garnered significant recognition as a crucial concern across all global industries. Within the logistics sector, there is a growing awareness of the importance of ESG management. However, active engagement in ESG practices remains predominantly confined to large corporations, leaving small and medium-sized logistics companies lagging in their comprehension and implementation of ESG principles. Previous studies have consistently underscored the necessity of establishing ESG management guidelines. Furthermore, there has been a call to determine the relative weights assigned to various ESG implementation evaluation criteria, taking into account the distinctive attributes of each category of logistics company. This study endeavors to ascertain the weightings of ESG implementation evaluation items for different types of logistics companies by employing the Analytic Hierarchy Process (AHP) methodology. The framework of evaluation is based on the evaluation items outlined in prior research, particularly focusing on ESG management guidelines tailored for small and medium-sized logistics companies. The findings of the analysis reveal distinct prioritizations across different sectors within the logistics industry. For maritime logistics companies, the environment emerges as the foremost concern, followed by society, information disclosure, and governance. Conversely, land transportation companies prioritize society, followed by governance, environment, and information disclosure. In the warehousing sector, environment takes precedence, followed by society, information disclosure, and governance. Comprehensive logistics firms, on the other hand, prioritize the environment, followed by information disclosure, society, and governance. Such guidelines are pertinent for regulatory bodies and industry stakeholders seeking to assess ESG practices within these enterprises. Moreover, this research contributes to the body of knowledge available to domestic small and medium-sized logistics companies, aiding them in effectively navigating and implementing ESG management principles.