• 한국안전학회지
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• 제32권3호
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• pp.83-89
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• 2017

A new technology has provided the nation, industry, society, and people with innovative and useful functions. National economy and society has been improved through this technology innovation. Despite the benefit of technology innovation, however, since technology society was sufficiently mature, the unintended side effect and negative impact of new technology on society and human beings has been highlighted. Thus, it is important to investigate a risk of new technology for the future society. Recently, the risks of the new technology are being suggested through a large amount of social data such as news articles and report contents. These data can be used as effective sources for quantitatively and systematically forecasting social risks of new technology. In this respect, this paper aims to propose a data-driven process for forecasting and assessing social risks of future new technology using the text mining, 4M(Man, Machine, Media, and Management) framework, and analytic hierarchy process (AHP). First, social risk factors are forecasted based on social risk keywords extracted by the text mining of documents containing social risk information of new technology. Second, the social risk keywords are classified into the 4M causes to identify the degree of risk causes. Finally, the AHP is applied to assess impact of social risk factors and 4M causes based on social risk keywords. The proposed approach is helpful for technology engineers, safety managers, and policy makers to consider social risks of new technology and their impact.

• 산경연구논집
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• 제9권3호
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• pp.7-17
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• 2018

Purpose - The purpose of this paper is to improve last mile delivery capability and ensure customers' satisfaction by approaching an analytic hierarchy process(AHP) and identifying criteria framework to determine locations of last mile delivery centre(LMDC). Research design, data, and methodology - Traffic congestion and emission policy in cities are barriers of last mile delivery in dense areas. The urban consolidation centre(UCC) cannot increase last mile delivery efficiency in dense cities because of their space and traffic limitation. In this paper, we develop a case to improve last mile delivery efficiency and to ensure customers' satisfaction by concentrating on LMDC. In addition, AHP has been applied to identify criteria framework and determine LMDC locations. The weighted priorities are derived from parcel delivery industry experts and have been calculated using Expert Choice software. Results - The framework criteria have assisted decision makers to place LMDC in a dense area to enhance customer's satisfaction with last mile delivery service. Conclusions - AHP has provided ranking framework criteria of LMDC potential for parcel delivery industry. The LMDC helps by improving last mile delivery efficiency to final destination amids conditions of CO₂ emissions, traffic congestion, and pollution problems. It especially concerns delivery service activities when delivering parcels to customers rather than UCC.

• 산경연구논집
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• 제11권11호
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• pp.7-18
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• 2020

Purpose: The Emission Trading Scheme (ETS), which enables structuring emission credits as a financial product, is taking a crucial position of global collaboration against climate change. Previous studies that have covered ETS subjects from the macro perspective contribute to facilitating legal enactment of this scheme. However, they have rarely addressed challenges aligned with issues arising from labor burdens for ETS works from the business perspective. Research Design, data and methodology: This study presents conceptual models that are expected to help design an electronic system. The study model contains four modules: emission allocation, data interface, reduction technology sharing, and emission trading. Two validation approaches, the Analytic Hierarchy Process (AHP) and regression analysis, are applied in confirming the feasibility of the proposed model. Results: This study suggests an IT system methodology to help improvement of the current K-ETS mechanism. In particular, this study addresses effectiveness for real businesses and the adaptability of this mechanism to other nations. Conclusions: The proposed IT platform diagram can contribute to successful operation of ETS by providing multiple benefits to participating companies through in-house allocation mechanisms, the soft-landing of ETS adoption to participating companies through reduction of technology-sharing, group purchases, and transaction costs through the trading system.

• 한국산학기술학회논문지
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• 제13권7호
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• pp.3224-3231
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• 2012

통합적이고 객관화된 도시압축성 평가방법에 대한 연구가 필요하다. 이를 위하여 압축도시(compact city)와 관련된 문헌 등 선행연구를 통하여 도시압축성 평가요소를 추출하였다. 이렇게 설정된 평가요소는 전문가조사를 통한 객관화 과정과 AHP계층구조모형을 통하여 평가요소별로 가중치를 결정한다. 이러한 평가분석의 틀을 토대로 우리나라 6대 광역시의 도시압축성을 평가하고 표준점수(z-score)화하여 상대적인 차이를 분석하고자 하였다. 이러한 분석결과는 압축도시에 대한 정책 결정에 필요한 기본 자료로서 구도심의 도시재생 등 압축도시계획에 활용될 수 있을 것이다.

• 한국정보과학회논문지:정보통신
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• 제27권1호
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• pp.58-67
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• 2000

본 논문에서는 실시간 멀티미디어 데이타의 멀티캐스트 혼잡 제어를 위한 대표자 기반의 피드백 수렴 방법과 전송율 조정 방법을 제안한다. 멀티캐스트 혼잡 제어에서는 다수의 수신자들이 하나의 송신자에게 피드백을 전송하므로 피드백 폭주 문제가 발생하는데 이러한 문제를 해결하기 위해 본 논문에서는 대표자를 사용한다. 본 논문에서 제안하는 방법에서 수신자는 패킷 손실률을 담은 주기적인 피드백을 생성하고 송신자는 대표자의 계층구조를 이용해 이러한 피드백을 수렴하여 전송률을 조정한다. 대표자는 지역 단위로 선정되고 필터의 역할을 하여 피드백을 억제한다. 시뮬레이션 결과, 제안한 방법이 피드백 폭주 문제를 해결하면서 혼잡 상황에 대처하여 전송률을 조정할 수 있음을 볼 수 있었다.

• 수산경영론집
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• 제42권1호
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• pp.57-70
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• 2011

Fisheries are subject to unexpected weather condition. While some change of it may be positive for some fisheries, the current state suggests that the effects will be undesirable for many fisheries. The aim of this study is to assess the vulnerability to climate change in 11 regional fisheries of Korea using the framework of IPCC. The vulnerability assessment depends upon the interrelation of three key elements; exposure, sensitivity and adaptive capacity, which were derived from Analytical Hierarchy Process method in this study. These elements would contribute to comprehend relative importance at the regional characteristics of fisheries. We compared the vulnerability index of 11 regional fisheries so as to look for strategies and adaptation methods to the impacts of potential climate change. Jeoun-Nam, Kyeong-Nam, and Jeju are identified as the most vulnerable provinces to climate change on their fisheries because they have high level of sensitivity to predicted climate change and relatively low adaptive capacity. The relatively low vulnerability of Ulsan, Gyeonggi reflects high financial independence, well-equipped infrastructure, social capital in these regions. Understanding of vulnerability to climate change suggests future research directions. This paper will provide a guide to local policy makers and fisheries managers about vulnerability and adaptation planning to climate change.

• 정보처리학회논문지C
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• 제11C권6호
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• pp.725-730
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• 2004

임무분리(Separation of Duty) 정책은 위임(Delegation)과 더불어 접근제어 분야에서 중요한 보안 원리중의 하나이다. 기업과 같은 대규모 조직 혹은 정보 시스템에 적합한 것으로 알려진 역할기반 접근제어(RBAC) 모델에서도 역할들간의 임무분리를 지원하는데, 임무분리와 역할계층의 개념사이에서 상호 모순이 발생하고 임무분리와 상관없는 권한들도 제약을 받을 가능성이 있으며, 위임에 의해 임무분리가 침해받을 수 있는 문제점이 있다. 본 논문에서는 역할기반 접근제어 환경에서 접근권한(Permission) 수준의 임무분리 모델을 제안한다. 제안된 모델에서는 임무분리를 역할들 사이에 시정하는 대신 접근권한들의 집합으로 정의하고 역할 활성화 규칙에 의한 권한 활성화 방법을 적용함으로써 기존의 모델의 문제를 해결하고 임무 분리 정책의 구현을 용이하게 하였다.

• 대한전자공학회:학술대회논문집
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• 대한전자공학회 2002년도 ITC-CSCC -2
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• pp.1320-1323
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• 2002

This paper reviews the Korean government’s selection process of core wireless communications technologies, and presents technology trends, perspectives and strategies of 5 core technologies to develop in wireless communications areas based on the mid term IT technology development plan(2002∼2004). Delphi Panel Method and Analytic Hierarchy Process(AHP) Analysis were adapted to select 30 core technologies in 9 strategic areas. Especially, 5 core wireless communications technologies out of 24 required technologies are selected: 4 G Core Technology, Broadband Wireless Access Network Technology, IMT-2000 Plus STP Technology, OBP Based Multimedia Satellite Communications Technology, Stratosphere Communications System Technology. Strategic national IT R&D program has been essential to continue success story of CDMA technology, and acquiring technology independency from advanced nations. In long term perspectives, a strategy of intensive investment with prudent selection onto core technologies should be deployed in the IT R&D programs. Also, the national IT R&D programs should be limited in the high risk & high returen areas where only government can afford the failures as well as better spill over effects are expected for the technology development and national economy. Korean industry has some strength in wireless communications technology area. Therefore, more policy concerns should be given into this area not only to secure present strength but also to explore better technology competitiveness.

• KIEAE Journal
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• 제13권2호
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• pp.131-139
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• 2013

The aim of this dissertation is establishing internal indicator list for achieving policy goal of Carbon Neutrality Green City. First of all, it started to construct the basic system of planning indicator based on through comprehension of current studies such as advanced researches, government guidelines and green building certifications. And then it was set up final indicator list through inspecting FGI (Focus Group Interview), Verification of suitability, and Analysis of importance). As a result of this research, the planning indicator divided three steps and there were classified four fields in the top-level; Green Land and Ecology, Green Energy, Green Resource and Transportation, Green Living and Institution. According to the data, it deducted four items (ratio of green land, site plan, heat island and management of climate, base of nature ecology) and twelve index in the field of green land and ecology, three item(energy conservation and self-supporting, energy efficiency, new regeneration energy) and twelve index in the field of green energy and regeneration, five items(water resources utilize and circulation, other resource reduction and circulation, public transportation, green transportation plan) and fifteen index. Totally, Planning Indicators of forty nine were deducted. Therefore, there was the result of importance analysis that the indicators of plan and maintain management as the side of space for carbon neutrality were more appreciated than carbon reduction of individual building.

• 한국통신학회논문지
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• 제27권11C호
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• pp.1189-1195
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• 2002

최근 들어 중소·벤처기업의 창업촉진과 창업성공률을 제고할 목적으로 정보통신 창업보육센터가 다수 설립되어 운영되고 있다. 정부의 창업보육 지원정책이 실효를 거두기 위해서는 객관적이고 합리적인 평가기준에 의한 선별지원이라는 차원에서 평가모델을 마련하는 것이 필요하다. 본 연구에서는 이와 같은 현실을 고려하여 정보통신 창업보육센터의 평가요인을 계층적으로 분류하고, 각 단계별 동일 집합 내 정보통신 창업보육센터 평가요인간의 이원비교를 통해 산출한 중요도와 정보통신 창업보육센터 세부 평가요인에 대한 평가척도를 이용하는 정보통신 창업보육센터 평가모델을 제안하였다. 본 연구에서 제안한 평가모델로 전국에 있는 39개의 정보통신 창업보육센터를 평가한 결과, 전체적으로 보통수준인 61～77점 정도로 평가되었다.