• Proceedings of the Korea Information Processing Society Conference
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• 2021.11a
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• pp.316-319
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• 2021

블록체인은 블록체인 네트워크에 참여하는 모든 노드에 동일한 원장을 중복 저장함으로써 참여자 모두에게 데이터가 공개되며, 이를 통해 데이터의 투명성을 확보하고 참여자 다수의 합의를 통해 데이터의 신뢰성을 보장하는 기술이다. 현재의 블록체인 시스템은 이러한 데이터 소유의 탈중앙화를 통해 데이터의 신뢰성을 확보할 수 있게 되었으나, 합의, 저장, 분석 등 여러 방면에서 확장성 한계로 인해 주로 가상 자산의 거래에만 활용되고 있다. 본 논문은 다양한 일반 산업 및 비즈니스에서의 블록체인 기술의 활용성을 증대하기 위해 요구되는 데이터의 다양성, 대규모 용량, 대용량 데이터, 트랜잭션 처리 속도 등 저장 확장성 문제를 해결하기 위한 고확장성 블록체인 저장 기술을 제안하고 설계 개념 및 특징, 그리고 고확장성 저장 기술을 제공하기 위한 시스템 SW 구조를 제시한다.

• Journal of The Korean Association For Science Education
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• v.32 no.5
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• pp.823-840
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• 2012

The importance of teaching the nature of science (NOS) has been emphasized in the science curriculum, especially in the science curriculum for science-gifted students. Nevertheless, few studies concerning the structure and formation of students' mental model on NOS have been carried out. This study aimed to explore science-gifted students' understanding of 'fact', 'hypothesis', 'theory', 'law', and 'scientificness' by utilizing semantic network analysis. One hundred ten science-gifted middle school students who were selected by a national university participated in this study. We collected students' written responses of five items and analyzed them by the semantic network analysis(SNA) method. As a result, the core ideas of students' understanding of 'fact' were proof and reality, of 'hypothesis' were tentativeness and uncertainty, of 'theory' was proven hypothesis by experimentation, of 'law' were absoluteness and authority, and of 'scientificness' were factual evidence, verifiability, accurate and logical theoretical framework. The result of integrated semantic network illustrated that the viewpoint of science-gifted students were similar to absolutism and logical positivism (empiricism). Methodologically, this study showed that the semantic network analysis method was an useful tool for visualization of students' mental model of scientific conceptions including NOS.

• Korean Journal of Social Welfare Studies
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• v.42 no.4
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• pp.413-443
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• 2011

The objectives of this study were to survey the level of social capital owned by self-support program participants, and to analyze the direct and indirect effects of social capital on their quality of life. Particularly because an individual's life is highly likely to be influenced by multiple aspects including human relation, this study purposed to determine the mediating effect of job satisfaction in the relation between social capital and the quality of life. The survey used a structured questionnaire, and in the contents of the questionnaire, the quality of life was selected as a dependent variable, social capital as an independent variable, and the job satisfaction as a mediating variable affecting the relation between social capital and the quality of life. The results of this study were as follows. First, as to the relation between self-support program participants' social capital and the quality of life, the network level and the normative level hand an important effect on the quality of life. Second, as to the relation between self-support program participants' social capital and job satisfaction, social capital had a negative effect on job satisfaction. Third, in the relation between self-support program participants' social capital and their quality of life, the mediating effect of job satisfaction was positive and this supports the spillover model among hypotheses on the relation between job satisfaction and the quality of life.

• Informatization Policy
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• v.17 no.2
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• pp.45-67
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• 2010

This study is to reconstruct the user-oriented e-government service based on home network infrastructure using ubiquitous computing technology. Until now, 31 e-government roadmap tasks have been promoted as main projects of e-government. This study explores what should be respective priorities for the suppliers and users of e-government if the services are provided in linkage with home network infrastructure. The result of survey showed us that the efficiency of administration and the improvement of the civil service, including citizens' online participation should be priorities. In order to reinforce home network infrastructure in implementing u-government, the government, at first, has to relax regulation, support businesses to develop related technologies, and construct safe infrastructure for citizens to use e-government services. Second, businesses should develop home network technologies that include various contents and construct home network systems that citizens can use easily. Third, citizens should have interests and participate in the government policies for home network services. Particularly, this study aims to suggest policies that consider positions of both the suppliers and users of e-government so that home network-based e-government can be implemented in the future.

• Proceedings of the Korean Information Science Society Conference
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• 2006.06d
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• pp.121-123
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• 2006

초고속 네트워크가 점점 일반화됨에 따라 네트워크를 기반으로 하는 멀티미디어 서비스에 대한 요구도 점점 확대되고 있으며, 동시에 보다 실감 멀티미디어 데이터에 대한 기대 역시 커지고 있다. 입체음향 기술은 음향 부분의 실감성을 향상시키는 방법으로, 네트워크 참여자들의 가상현실 환경 공유 상황에서 체감 품질을 보다 더 향상시키는 역할을 할 수 있다. 본 논문에서는 입체음향 기능들을 네트워크를 통해 전달하고 활용하는데 필요한 요소에 대해 논의하고 그 처리 방법을 제시한다. 아울러 제시한 방법을 적용할 수 있는 활용 분야에 대해서 다룬다.

• Proceedings of the Korea Inteligent Information System Society Conference
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• 2007.11a
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• pp.412-420
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• 2007

기존의 물리 공간과 제품은 RFID태그를 통해 원래의 사용 용도 이외의 매체로서의 기능을 갖게 되고, 이러한 매체 기능의 추가는 제휴 마케팅의 기반이 될 수 있다. 본 논문에서는 누구나 쉽게 RFID 태그부착 공간 제공자로 참여하여 물리적 공간의 트래픽을 전자적 트래픽으로 전환시켜 수익을 창출하는 경제활동을 가능케 하는 방법을 제안하며, 이러한 방법을 응용한 쿠폰 네트워크 비즈니스 모델을 제시하고 실제 작동할 조건을 분석하였다. 제안하는 비즈니스 모델과 방법을 통해 공간을 이용하여 비즈니스를 하고자 하는 기업과 공간제공자 간의 연결을 쉽게 하여 기업의 물리적 접점 확대와 공간제공자의 참여를 상대적으로 낮은 비용으로 실현시킬 수 있고, 공간소유자가 자신의 이익을 위해 하는 제휴 활동이 유비쿼터스 사회 인프라 확산을 촉진시키게 되도록 설계함으로써 불특정다수에 의한 빠른 RFID 태그 확산과 비용부담의 광범위한 분산을 이룰 수 있다.

• Proceedings of the Korea Contents Association Conference
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• 2012.05a
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• pp.61-62
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• 2012

근래 평생학습의 개념이 등장함에 따라 성인 대상 교육에 대한 사회적 요구가 증가하고 있으며, IT 기술의 발달로 다양한 단말기를 이용하여 학습할 수 있는 환경이 구성되었으므로 본 논문은 시간적 공간적 제한으로부터 벗어나 학습할 수 있으며, 학습 콘텐츠를 객체 기반화하고, LCMS를 도입하여 참여형 콘텐츠 관리 시스템을 설계하며, 또한 N 스크린 기술 적용하여 시간적 공간적 구애로 부터 벗어나 편리하게 사용될 수 있는 시스템을 설계하여 새로운 학습자들이 계속 참여하여 풍부한 콘텐츠를 구축하며 상호교류 하여 소셜 학습 네트워크(Social Learning Network)를 구축할 수 있는 환경을 제공한다.

• 정보화사회
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• s.108
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• pp.34-37
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• 1996

전문가들과 업계관계자들이 참여하게 된것은 IC카드산업이 미래정보화사회에서 차지할 비중이 상당히 클것으로 예상되며 IC산업볼륨자체가 인터넷과 기업 및 각 개개인의 컴퓨팅환경의 네트워크화에 힘입어 상당히 커질 것으로 전망되기 때문으로 풀이된다.

• The Journal of the Korea Contents Association
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• v.17 no.10
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• pp.120-139
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• 2017

The purpose of this research was to explore life history of an elderly woman who fled from North Korea and to understand and provide interventions for female North Korean Defector. The participant of this research is an 81-year-old woman who escaped from North Korea and has lived in South Korea for over 14 years. This life history study followed the analysis of Mandel baum(1973) pointing three perspectives of life: dimensions, turnings, and adaptations. This study concluded that the participant of the research study had no protection while staying in China and North Korea and had experience of Homo Sacer. And even after arriving to South Korea the participant had to live her life with the past negative experiences in North Korea and China. Based on the research results discussions and implications were suggested.

• The Journal of the Korea Contents Association
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• v.20 no.7
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• pp.547-559
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• 2020

Social Networking Service (SNS) is a part of our daily lives, with their positive and negative impacts. This study investigates SNS fatigue in men and women of different cultural backgrounds as well as the relationship between SNS fatigue and the intentions to cease SNS activities. The study results show that during SNS activities, women are more concerned for their reputation; participants with East Asian cultural backgrounds experience burdens with respect to relationships, and participants with Western cultural backgrounds experience fatigue with respect to privacy concerns. No statistical significance was identified between SNS fatigue and the intentions to cease SNS activity; although people experienced fatigue, they did not desire to stop SNS use. This study reveals that culture and gender impacts SNS fatigue, and few people quit SNS despite the fatigue.