• Journal of KIISE:Software and Applications
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• v.33 no.12
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• pp.1031-1051
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• 2006

To develop a ubiquitous system, several researches have been tried to apply multi-agent models to design a system. Even though current multi-agent models provide many benefits with ubiquitous system developments, there are still some deficiencies in completely supporting the characteristics of ubiquitous systems such as dynamic formation and termination of mission-oriented organizations and interrelationship between organizations. In addition, existing agent-based models only concern aboutananalysis and design of a system, then place a burden of implementation on developers. Therefore, in this paper, we propose the high-level abstraction model of a multi-agent based ubiquitous system and the development process concerning implementation as well as design of systems. In addition, we implemented a development toolkit, called as CDTK(Community computing system Development Tool Kit), then developed a small community computing system using the CDTK.

• The Journal of the Korea Contents Association
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• v.16 no.6
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• pp.270-282
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• 2016

A community center is situated near the residential areas and is the public facility that acts as the core of local cultural activities. A community center, as the general cultural activities increases, is transforming into a facility that promotes the community restoration and living convenience such as welfare, sports, art activities, and education etc. beyond location of simple leisurely activities. This study considers local residents' accessibility through the renovation of preexisting community center.

• 한국정보교육학회:학술대회논문집
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• 2007.08a
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• pp.129-134
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• 2007

학교 현장에서의 컴퓨터 교육은 여전히 시범실습위주로 이루어지고 있으며. 초등학교 컴퓨터 교육에서 많은 비중을 차지하는 소프트웨어 교육은 더욱 그러하다. 소프트웨어는 끊임없이 개발되거나 업그레이드 되고 있어 가르쳐야 할 내용이 많아져 새로운 학습방법이 필요하다. 즉 문제사태에서 필요한 기능을 찾아 스스로 문제를 해결하고 다른 응용소프트웨어에 전이 및 파지할 수 있는 능력을 길러주는 학습방법이 필요하다. 그 방법 중의 하나가 구성주의 학습 원리에 부합한 문제중심학습이며 학습의 효과를 높이기 위해서 온라인과 오프라인학습의 장점을 혼합한 B-러닝 방법이 필요하다. 따라서 본 연구는 응용소프트웨어의 적응력을 향상시키기 위해 한글 워드프로세서 학습내용을 학습자의 수준에 맞게 문제중심으로 재구성하고 온라인 학습을 위해 학급커뮤니티를 설계 및 구현하였다. 그리고 문제중심의 B-러닝에 적합한 학습모형을 설계하여 제시하였다. 문제중심의 B-러닝은 구성주의 학습 원리에 적합한 실생활의 문제를 학습내용으로 하고 면대면 교실수업의 장점과 온라인 학습의 장점을 혼합하여 자기주도적으로 탐구학습을 하는 것이므로 응용소프트웨어의 적응력은 향상될 것으로 기대한다.

• The Journal of the Institute of Internet, Broadcasting and Communication
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• v.21 no.5
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• pp.41-46
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• 2021

Due to the development of private education and changes in the educational environment, the need for an academy management system is emerging for various tasks of academy management in the community and mobile environment with students. However, solutions developed for existing academy tasks, such as attendance management for students, announcement, and instructor management to sponsors, are specialized and specialized in large academy, making it difficult to use in small and medium-sized academy. Also, there are problems that are not suitable for most academy and cannot reflect various requirements of institutes because of the high cost. In order to solve these problems, this paper designed a B2M-based academy management system that can quickly improve information processing, improve credibility, and reduce the cost of processing tasks based on optimized functions such as academic administration and manager management, attendance management, and student management.

• The Journal of the Korea Contents Association
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• v.21 no.10
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• pp.11-20
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• 2021

The analysis of citing and cited phrases provides an opportunity to enhance search-centric academic information services. However, most current studies focus only on citation analysis among academic associations, researchers, and articles, making it challenging to develop higher citation-based information services. This study proposes citation analysis service methods using citing and cited phrases. First, to verify the feasibility of suggested services, we have collected the most highly cited articles with specific domain terms and followed their citing relationship; after that, we found formal citation types and ratios in the original articles. And we conducted structural analysis, especially with three topics, "Deep Learning," "Green Energy," and "Aging," and then structurally illustrates the citation characteristics of related articles. Finally, we collected four most cited articles and all their citing ones for each subject from Google Scholar and analyzed the ratio of citation types and citation spread. We hope that various citation analysis studies and information services can be further developed based on our discussion for designing better information services.

• Journal of Appropriate Technology
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• v.6 no.2
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• pp.151-162
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• 2020

Education is one of the priority sectors specified in Tanzania, and it has committed to provide 11 years of compulsory free basic education for all from pre-primary to lower secondary level. Despite the Government's efforts to provide free basic education to all children, there are 2.0 million (23.2 per cent) out of 8.5 million children at the primary school age of 7-13, who are out of school in Tanzania. The ICT class should be offered as a regular class in all secondary schools in Tanzania, recommended by the ministry of education. However, many schools are struggling to implement this mandate. Most of schools offer the ICT class with theory without any real hardware. Some schools were given with computers but they were not maintained for operation. There is a huge task to make ICT education universal. Main issues include: remoteness (off-grid area), lack of ICT teachers, lack of resources such as hardware, infrastructure, and lack of practical lessons or projects to be used at schools. An innovative blended ICT/STEM education program is being conducted not only for Tanzanian public and private/international schools, but also for out-of-school adolescents through institutions, NGO centers, home visits and at the E3 Empower academy center. For effective STEM education to take place and remain sustainable, more practical curriculum, and close-up teacher support need to be accompanied concurrently. Practical, project-based simple coding lessons have been developed and employed that students experience true learning. The effectiveness of the curriculum has been demonstrated in various project centers, and it showed that students are showing new interests in exploring new discovery, even though this was a totally new area for them. It has been designed for an easy replication, thus students who learned can repeat the lessons themselves to other students. The ultimate purpose of this project is to have IT education offered as universally as possible throughout the whole Tanzania. Quality education for all children is a key for better future for all. Previously it was hoped that education with discipline will improve the active learning. But now more than ever, we believe that children have the ability to learn on their own with given proper STEM education tools, guidelines and environment. This gives promising hope to all of us, including those in the developing countries.