• Journal of Korean Society of Transportation
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• v.32 no.3
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• pp.256-265
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• 2014

A sudden increase of old people's free urban railway transportation resulted from the acceleration of aging trend causes the chronic deficit. As continuous deficit caused by the free urban railway transportation of old people is expected, a fairness problem about the fare system of using public transportation is issued because only the urban railway provides free-rides to them, which is contrast to bus-riders paying full payments. Therefore, the study intends to draw an alternate to solve the problem of the free urban transportation uses by calculating an appropriate fare ratio between the two transportation modes, which is expected to alleviate the fairness issue between the urban railway and the bus.

• Journal of the Korea society of information convergence
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• v.7 no.1
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• pp.1-16
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• 2014

In this study, in light of the reality that the need for systematic development of military service resource management and alternative service discipline / switching service discipline has been discussed for illegal liquidation of military service obligations (Tekketsu) in connection with the military service system, and pluralistic it is assumed judgment if centralized military manpower administration (MMA) the recruitment structure that is, military service resource management that to effectively manage. Military service resources decision to systematic management of resources military service, military service of centralized resource management that MMA is the center, the efficiency of the plan. It is determined that it can improve the precision, thereby increasing and the resource-specific Service Discipline instruction, fairness to ensure consistency in the resource management of Alternate Service Discipline / Switching Service Discipline among, high quality and accessibility of such people petition I thought there may be a service provider is realized, that centralization of MMA is also realized, trying to allo improved fairness associated with the performance of military service obligation. Therefore, in this study, we are exploring a scheme that is able to achieve the unification of the human resource management of military service entity to perform the duty of national defense.

• Environmental and Resource Economics Review
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• v.17 no.2
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• pp.419-455
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• 2008

This paper analyses the Night Thermal-storage Power Service(NTPS) from the perspective of sustainability. It investigates the economic, environmental and social aspects of NTPS, thereby reveals that NTPS triggers the inefficient use of fuel, the increase of carbon dioxide emission and the increase of cross subsidy between consumers. This paper also analyses NTPS from the perspective of energy security. It investigates how NTPS makes LNG demand volatile in winter, thus threatens our energy security. According to the analysis, NTPS directly violates two basic principles of national energy policy; Sustainability and Energy Security. To solve these problems, not only the harmonized adjustment of Heating Oil Tax and Electric Power Rates is needed to curb the rapier increase of NTPS, but also another separate policy is necessary for converting the electric heating system based on NTPS into the one based on Heating Oil.

• Journal of the Korea Society of Computer and Information
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• v.10 no.5 s.37
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• pp.57-64
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• 2005

While the secure concurrency control schemes in multilevel secure database management systems synchronize transactions cleared at different security level they must consider the problem covert channel. although previous works achieve the confidentiality successfully, they overlook the integrity or the availability. For being evaluated as highly secure database systems , the multilevel secure database management systems must achieve the confidentiality, integrity, and the availability that are the well-known major security aspects. By use of verified transactions ordering relationship, in this Paper, we Propose a new secure concurrency control scheme that is capable of increasing the degree of fairness among transactions cleared at different security levels.

• Proceedings of the Korea Contents Association Conference
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• 2019.05a
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• pp.193-194
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• 2019

본 연구는 "HIV/AIDS 관련 기관에서 일하는 종사자의 업무상 딜레마는 무엇인가?"라는 연구질문으로 질적연구를 하였고, 연구참여자들은 HIV감염인을 만나면서 생명의 가치에 대한 딜레마, 상담과정에서 알게 된 내용에 대한 비밀보장의 딜레마, 국가자원사용에 있어서의 형평성과 자원확보에서의 딜레마, 법과 제도의 한계에서의 딜레마 등을 경험하고 있었는데, 이러한 연구참여자의 경험은 '풀리지 않는 딜레마의 실타래'로 범주화하였고, '관심과 낙인의 딜레마', '생명에 대한 딜레마', '클라이언트로부터 오는 딜레마', '비밀보장의 딜레마', '형평성의 딜레마', '조직내 딜레마', '법적인 딜레마' 등의 개념을 도출하였다.

• The Journal of The Korea Institute of Intelligent Transport Systems
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• v.8 no.2
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• pp.1-13
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• 2009

Although enormous data have been collected in major cities (Korea) by APTS(Advanced Public Transit Systems), most of studies related to bus schedule management evaluation have confined to headway adherence and on-time performance. Therefore, bus operation management have been very lack of using APTS data. This study uses coefficient of correlation to evaluate bus company's schedule management level. However, direct application of coefficient of correlation has inequitable problem because of many limitation(number of vehicle, headway, etc). and so variable calibration method was developed and applied to cope with these problems. Thus, demand-elastic management evaluation index was developed. For verifying the equity of developed index, it is applied to Seoul bus routes. It is expected for the developed index to contribute into the demand-elastic management of bus schedule.

• KSCE Journal of Civil and Environmental Engineering Research
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• v.39 no.2
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• pp.361-367
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• 2019

Ramp metering is a traffic management technique that reduces the congestion of Expressway by controlling vehicles entering the highway. It is widely used outside the country, and Korea is also operating in seven sites (Seoul Ring Expressway). Ramp metering has the advantage of reducing congestion of Expressway, but there are disadvantages, as queuing occurs because vehicles are waiting for ramp, and the ramp queue affects adjacent roads at rush hour. To solve this problem, we improved the ramp metering algorithm to reduce the metering rate more spaces on ramp and to increase the metering rate less spaces. In order to evaluate this, the combined evaluation index was used and it was found that the result satisfied the equity and efficiency at the same time.

• Digital Contents
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• no.10 s.137
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• pp.52-55
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• 2004

휴대폰 단말기 시장이 소용돌이에 휩싸이면서 방향성을 상실, 한국경제의 버팀목 역할에 적신호가 들어왔다. 올 들어 휴대폰 시장은 중견단말기업체 부도 및 법정관리→기업 인수합병(M&A) 논의 부상→구조조정 과정에서 중국업체 복병 등장→첨단 휴대폰 기술 유출 논쟁→SK텔레콤과 삼성전자간 주도권 싸움→SK텔레콤의 시장지배력 단말기 시장으로 전이 문제(겸업문제)→정보통신부 겸업금지 법 개정 검토→제조업체의 통신서비스 시장 진출과의 형평성 논란→제2차 SK텔레콤과 삼성전자 주도권 경쟁 전망 등으로 지속적으로 꼬리에 꼬리를 물고 연쇄적인 파열음을 내고 있다.

• 대한예방의학회:학술대회논문집
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• 1995.10a
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• pp.175-176
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• 1995

• The Science & Technology
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• v.32 no.1 s.356
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• pp.20-21
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• 1999

IMF이후 경제회생을 위한 구조조정과 더불어 조세제도의 개편 움직임도 활발하다. 납세자들로부터 조세제도나 조세정책을 올바르게 평가받으려면 첫째, 세부담의 형평성이 있어야 하고 둘째, 경제적 효율을 높일 수 있어야 하며 셋째, 단순하고 시행하기 쉬워야한다는 기준 아래 개편이 이루어져야 한다.