• Journal of the Korea Society for Simulation
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• v.25 no.1
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• pp.53-61
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• 2016

This paper introduces 'EgresSIM', which is microscopic evacuation simulation software. EgresSIM developed in this paper is a three-dimensional (3D) pedestrian evacuation simulator based on the improved model advanced from the floor field model(FFM), a microscopic pedestrian model. This software can simulate large size buildings that consist of a number of floors, stairs, rooms, and exit doors. Moreover, this software can arrange several hundreds or thousands of pedestrians in indoor space and check their movements through the 3D viewer in real time, as well as produce detailed results about evacuation situations such as which paths are employed by individual pedestrians, how long does it takes to evacuate, and how many evacuees are gathered at each of the exit doors. Building data needed in the simulation are constructed as XML files according to pre-defined indoor data models and information of simulation results is also created as XML log files. A moving pattern of pedestrians can be represented in many ways by adjusting the sensitivity parameters of two walk models supported by EgresSIM. Thus, evacuation simulation can be done based on many assumptions of situations such as movement to the nearest exit door or blackout after outage.

• Korean journal of communication and information
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• v.22
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• pp.77-106
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• 2003

As globalization of communication is going on and as the media have become increasingly central to the world economy, media policy matters have become the province of world economic organizations like the IMF and the WTO. The WTO service negotiation is focused primarily on the discriminatory and quantitative barriers associated with the trade of audiovisual services. Domestic measures such as subsidization, content regulation including quotas, and licensing requirements and restrictions on foreign ownership and control are at issues here. These measures have been successfully implemented by countries wishing to withstand competition from the American audiovisual industry. The debate about trade in audiovisual services is permeated by the unstated assumption that these programs are pure commodities whose production, distribution, exhibition and in turn, values are solely determined by the market forces. It is therefore presumed that liberalization of trade in audiovisual services will benefit all, serving cultural pluralism and diversity as well as economic efficiency. However, this assumption is not shared by developing countries, the recipients of U.S. television material. They argue audiovisual sector requires a social and cultural approach, since it plays a key role in the preservation of people's identity and social bonds. They claim that it is the each state's right to define its media policy and to implement it through the means it considers fit. These clashing views over the nature of the audiovisual material and the ways in which protect cultural pluralism and diversity do not confine to be the realm of theoretical debate. Each state's interest and motivation to protect its local industry and to have a competitive advantage in the international market is working in this battle. Consolidation with the countries like Australia, Canada, and EU nations, in favour of cultural exemption, seems to be the best policy for us. However, we are not entirely free from the WTO pressures, considering relation to the U. S. This study analyzes Korean Broadcasting Law compared with those of other OECD countries and tries to propose some strategical guidelines facing WTO service negotiation in the area of broadcasting.

• Journal of Gifted/Talented Education
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• v.26 no.4
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• pp.721-746
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• 2016

The purpose of this study was to investigate the effects of science experience with their children on mothers who have children who are science gifted children and how they perceive what kind of parenting methods are appropriate for the growth and development of children who are science gifted children. To do this, we interviewed 13 mothers of the gifted education center of the Ministry of Education and conducted two in - depth interviews with them. Results, mothers who have scientific gifted children have various science experiences with children who are scientific gifted. In this process, mothers of gifted children understand the gifted children through science experience with their children, I have come to realize that it is necessary to provide an educational environment that can express my child's talents and help to determine the direction of my career. For this purpose, leadership education that reminds the importance of relationships between people, providing opportunities for various experiences so that they can decide their life, career education through inquiry of deep science experience and meeting with senior scientists, humanities for integrated thinking And the arts. In this way, it is possible to provide in-depth research results to the mothers of the gifted and talented to provide specific directions for the various supportive methods and teaching methods that the gifted children should provide for intellectual and emotional growth and development. Development of educational programs is necessary.

• Journal of Korea Technology Innovation Society
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• v.20 no.4
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• pp.1122-1158
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• 2017

Government-funded research institutes in the field of science and technology of Korea have contributed to the growth of the national economy and industrial development since the 1960s. However, those institutes recently have faced with criticism over the R&D performance on investment. Accordingly, we suggest two analytical approaches that estimate the economic benefit of the R&D performance of those institutes, (1) 'bottom-up' approach that aggregates the economic benefits of individual performances, e.g., technology transfer, technology support for small and medium enterprises, and the supply of researcher manpower and (2) 'top-down' one that estimates the contribution of those institutes on the economic growth of the industries that the R&D performance of those institutes is mainly utilized. In addition, by applying two approaches, we computed the economic benefit of the performance of the K institute in the 1996-2014 periods at 12.3 trillion won and 29.5 trillion won, respectively. Lastly, we suggest the feasibility of two approaches from the perspective of complementarity. Our study provides analytical approaches that estimate the economic benefit of the R&D performance from government funded research institutes in Korea. Lastly, our study contributes to the understanding of public on science and technology as well as the enhancement of legitimacy on those institutes among the public.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.21 no.1
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• pp.45-60
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• 2020

The Brain Korea 21 (i.e., BK21) is a state-led higher education funding project that started in 2013. Previous literature investigating the effectiveness of the project mainly focused on massive quantitative outcomes of funded teams, and many studies reporting only self-reported data of graduate students who participated in the project. Therefore, there were not many BK21 studies that thoroughly examined the graduate students' performance, ability, satisfaction, etc. This study aims to determine the effect of the BK21 project participation on graduate students' academic performance, using objective (the number of published papers), self-rating (graduates' satisfaction), and other-rating (advisor's performance evaluation) data, which were sampled from 2013 to 2019 from a single funded team on a one-departmental-unit. The results showed that the participating graduate students had more published papers, and had higher performance evaluation scores in research, and overall abilities, than the non-participating graduate students. Further, participating students were largely satisfied with BK21 supports. This study has significance in that it demonstrates the positive influence of the BK21 project on graduate students' academic performance and satisfaction by the thorough investigation of a single social science funded team.

• Journal of KIISE:Computing Practices and Letters
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• v.11 no.6
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• pp.503-513
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• 2005

With the recognition of the importance of computational approach for protein-protein interaction prediction, many techniques have been developed to computationally predict protein-protein interactions. However, few techniques are actually implemented and announced in service form for general users to readily access and use the techniques. In this paper, we design and implement a protein interaction prediction service system based on the domain combination based protein-protein interaction prediction technique, which is known to show superior accuracy to other conventional computational protein-protein interaction prediction methods. In the prediction accuracy test of the method, high sensitivity($77\%$) and specificity($95\%$) are achieved for test protein pairs containing common domains with teaming sets of proteins in a Yeast. The stability of the method is also manifested through the testing over DIP CORE, HMS-PCI, and TAP data. Performance, openness and flexibility are the major design goals and they are achieved by adopting parallel execution techniques, web Services standards, and layered architecture respectively. In this paper, several representative user interfaces of the system are also introduced with comprehensive usage guides.

• Korea journal of population studies
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• v.31 no.1
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• pp.55-73
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• 2008

This research explores the relationship between gender equity within family and second birth in Korea. For a factor analysis on the intention of having additional children for women with one child, I have used the data from the 2005 National Survey on Marriage and Fertility Trend" of the Korea Institute for Health and Social Affairs. Among 516 samples(year of 20-44), women planning to have second birth are 54.7%, and others have answered that they have no intention to have second birth. As a result, main causes affecting progressing to second birth seemed to be family planning on family cycle, such as controlling age gaps between first and second child, composing children genders as they wish etc. The variable of "gender equity between couples" in progressing to second birth are of significant only with married working women group. In case of married working women, more the husband's houseworking hours increase, the more prone to progress to second birth. However, in case of housewives, gender equity level, such as husband's housework hours or share of housework are not of significant influence in progressing to second birth. Not only working mothers but also housewives need the realization of gender equity within the family and the expansion of social support system for work-family life balance.

• Proceedings of the Korea Water Resources Association Conference
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• 2012.05a
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• pp.822-822
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• 2012

본 연구는 상류의 개발행위와 더불어 현재 수질관리의 기준이 되는 오염총량관리제를 대상으로 '규모의 경제'의 논리를 따른다는 가정 하에, 지자체간에 협조를 통해 비용을 절감하여 서로 혜택을 볼 수 있도록 상 하류 지자체와 중앙정부 등 관련 당사자들 간의 비용배분 방안을 도출하는 것을 목적으로 하였다. 이를 위해서 광주광역시에 위치한 평동산업단지와 영본B, 영본C를 대상으로 광주, 전남, 중앙정부를 이해당사자로 하여 협조적 상황 하에서 대상 비용배분 문제를 정의하였고, 협조적 게임이론에 근거한 SCRB법 및 샤플리법을 적용하여 비용배분 결과를 제시하였다. 우선 광주와 전남이 각각 삭감해야 할 오염량을 산정하고, 해당 삭감량 만큼 처리하기 위한 하수처리시설의 규모를 설정하였다. 또한 하수처리시설의 건설비와 하수관거 공사비, 유지관리비를 산정하였으며, 하수처리시설의 내용연수인 20년간의 총비용을 2010년 현재가치 기준으로 산정하였다. 상 하류 지자체가 공동으로 대처할 경우 20년간 총비용은 416,311.8 백만원, 개별로 대처할 경우 464,439.6 백만원이며, 공동 대처가 42,359.3 백만원이 절감되므로 양 지자체 모두 협조적 게임에 응할 기본배경은 성립되었다. SCRB법에 의한 지자체별 비용배분율을 산정 결과, 광주 74.24%, 전남 25.76%로 산정되었으며, 2001～2010년 하수도 세입현황을 기준으로 중앙정부의 지원 비율은 10년간 최소 23.98%, 평균 29.22%, 최대 34.17%로, 각각의 비율별로 중앙정부, 광주, 전남의 비용분담액을 도출하였다. 본 논문에서는 개략적으로 비용을 산정하였으나 오염총량관리 사업은 막대한 예산을 필요로 하기 때문에 실제로 두 지자체가 협조하여 비용배분을 하게 된다면 하수처리시설의 수질개선효과, 하수처리시설 위치선정, 사업비용 등을 세밀하게 분석해야 할 것이다. 본 논문은 오염총량관리제에서 제시하는 목표수질을 대상으로 하였으나, 지자체의 정책에 따라 친수활동 증대와 생태 자연환경 개선 등과 같은 수질개선에 따른 간접적인 효과를 고려하여 오염 총량관리제의 목표수질보다 더 나은 수질을 원할 수도 있을 것이다. 협조적 게임의 상황을 복잡하게 하여 해결 가능성이 낮아질 수 있으나, 수질개선에 의한 다양한 효과를 편익으로 산정할 수 있다면 이를 협조적 게임에 적용하여 전반적인 수질개선에 대한 지자체의 적극적 활동을 유도할 수도 있을 것이다.

• Journal of Internet Computing and Services
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• v.11 no.1
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• pp.35-48
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• 2010

For the next generation mobile communication system, diverse wireless network techniques such as beyond 3G LTE, WiMAX/WiBro, and next generation WLAN etc. are proceeding to the form integrated into the All-IP core network. According to this development, Beyond 3G integrated into heterogeneous wireless access technologies must support the vertical handover and network to be used of several radio networks. However, unified management of each network is demanded since it is individually serviced. Therefore, in order to solve this problem this study is introducing the theory of Common Radio Resource Management (CRRM) based on Generic Link Layer (GLL). This study designs the structure and functions to support the vertical handover and propose the vertical handover algorithm of which policy-based and MCDM are composed between LTE and WLAN systems using GLL and CRRM. Finally, simulation results are presented to show the improved performance over the data throughput, handover success rate and the system service cost.

• Journal of Gifted/Talented Education
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• v.23 no.3
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• pp.355-371
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• 2013

While many research focused learners as those who excel in mathematics or science, the identification of learners with potential or demonstrated talent in visual art has also been the meaningful research topic. Since these learners exhibit high performance capability in intellectual, creative and artistic areas, they require services or programs not ordinarily provided by the schools. This research tried to clarify what high performance means when speaking of learners with outstanding talent in the visual arts based on the relevant literature. Also, this research introduced the recent trends in the field of art gifted and talented education. In order to demonstrate critical issues and find new directions in art education for gifted learners, this research conducted the survey, and this survey target group was arts high school students. Based on the survey analysis, this research conducted the semi-structured interviews with focal participants including the teachers and an artist. Interviewees generated many meaningful issues, and interview analysis reconceptualized art education for gifted learners as following. 1) Gifted education should consider learners' excellence, equity, troubles, and struggles that often go unnoticed. 2) We should reform the criteria, standards, and strategies in finding art gifted learners. 3) In order to facilitate meaningful and creative art education, higher education institutions need to change the current college entrance exam. 4) The goal of gifted art education is not only raising the world-class artists. 5) Meaningful art education for gifted learners is in interaction with the environment including group dynamics, parents influence, and teachers.