• 한국환경보건학회지
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• 제28권5호
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• pp.13-21
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• 2002

This study analyzed the characteristic of basic river structure, a flood level, the tree planting recommendation and syn thetic design, in order to establish a basic plan for preparing a natural practical area of environmental ecosystem at Bukchun and its surroundings. It was also investigated based on the opinion of citizens, geographical condition and the equipment/utilization examination of Bukchun which were included ecological circumstances, and thus provided a composite item for managing the natural river. This study also considered the development of the river in terms of culture, environment and ecology concept. The results were summarized as followed. Bukchun showed that the speed of a funning fluid is very fast on a period of flood. but very slow in a period of water shortage about 0.02 m/s. To prevent the speed change of a running fluid by a steep slope in a riverbed, there established Dongchun sluice gates under a bridge, including three sluice gates under a bridge, but there occurred extremely a riverbed erosion and corrosion section. The result of comparison between real flood degree and prediction flood data, there should perform a countermeasure the riverbed structure regulation of this area. Also, it was needed an exhaustive flood management in summer. According to the Bukchun and Hyungsangang riverbed investigation, there were needed preparation for natural/practical area and ecology Park development in the future. This study was investigated tree Planting/flower/blossom around the Bukchun and its surroundings. It was recommended willow, Italian poplar, bamboos and cherry blossoms in the Hyungsangang and Bukchun. There exist together historical space, environment space iud have enough possibility both natural learning space and civil rest space. And, it is possible to compose ecology natural learning and experimental area.

• 교육녹색환경연구
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• 제21권1호
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• pp.24-39
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• 2022

본 연구는 미래학교 공간에 대한 교사의 요구를 탐색하여 향후 미래학교를 위한 사회적 합의에 교사의 목소리가 담길 수 있는 시사점을 제공하고자 수행되었다. 현장의 생생한 목소리를 전달하고자 질적 연구를 진행하였고 A초등학교(가명) 교사 10명이 연구에 참여하였다. 연구결과, 1) 시·공간을 초월한 학습의 등장 인식 및 이를 뒷받침할 수 있는 ICT 기반의 정보화 환경의 중요성, 2) '전통성'과 '테크놀로지'를 중심에 둔 미래형 학교 공간의 특성 확인, 3) 학습 커뮤니티 공간의 중요성 인식, 4) 유연한 교수학습활동을 위한 '가변성' 있는 학급교실 강조, 5) 첨단기술 기반 학습환경에서 취약할 수 있는 감성 지원을 위한 자연 친화적인 요소의 도입 필요성을 확인할 수 있었다. 마지막으로 교사들에게 '친환경성'이나 '지역사회 연계'와 같은 중요한 미래학교 관련 담론을 충분히 담은 체계적인 교육 및 경험의 기회가 필요하다는 제언을 하며 연구를 마무리하였다.

• 한국인공지능학회지
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• 제11권2호
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• pp.19-27
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• 2023

In recent times, an exponential increase in Internet traffic has been observed as a result of advancing development of the Internet of Things, mobile networks with sensors, and communication functions within various devices. Further, the COVID-19 pandemic has inevitably led to an explosion of social network traffic. Within this context, considerable attention has been drawn to research on network traffic analysis based on machine learning. In this paper, we design and develop a new machine learning framework for network traffic analysis whereby normal and abnormal traffic is distinguished from one another. To achieve this, we combine together well-known machine learning algorithms and network traffic analysis techniques. Using one of the most widely used datasets KDD CUP'99 in the Weka and Apache Spark environments, we compare and investigate results obtained from time series type analysis of various aspects including malicious codes, feature extraction, data formalization, network traffic measurement tool implementation. Experimental analysis showed that while both the logistic regression and the support vector machine algorithm were excellent for performance evaluation, among these, the logistic regression algorithm performs better. The quantitative analysis results of our proposed machine learning framework show that this approach is reliable and practical, and the performance of the proposed system and another paper is compared and analyzed. In addition, we determined that the framework developed in the Apache Spark environment exhibits a much faster processing speed in the Spark environment than in Weka as there are more datasets used to create and classify machine learning models.

• ETRI Journal
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• 제28권4호
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• pp.461-474
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• 2006

This project aims to design and develop a prototype for an agent that support online collaborative learning. Online collaborative learning, which has emerged as a new form of education in the knowledge-based society, is regarded as an effective method for improving practical and highly advanced problem-solving abilities. Collaborative learning involves complicated processes, such as organizing teams, setting common goals, performing tasks, and evaluating the outcome of team activities. Thus, a teacher may have difficulty promoting and evaluating the entire process of collaborative learning, and a system may need to be developed to support it. Therefore, to promote interaction among learners in the process of collaborative learning, this study designed an extensible collaborative learning agent (ECOLA) for an online learning environment.

• 한국멀티미디어학회:학술대회논문집
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• 한국멀티미디어학회 2004년도 춘계학술발표대회논문집
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• pp.729-732
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• 2004

최근 e-Learning에 대한 관심이 많아지고 있는 가운데, 기존의 e-Learning은 웹에서의 설계방식이 주류를 이루었다. 이러한 웹 기반에서 사용되는 LCMS(Learning Contents Management System)는 LMS(learning Management System)와 CMS(Contents Management System)를 통합할 수 있고, 다양한 학습 콘텐츠를 부분적으로 업그레이드하고 재구성할 수 있는 환경으로 확대되고 있다. 하지만, 웹 기반의 e-Learning 설계는 유비쿼터스 환경에는 적합하지 않다. 기존 웹 기반의 LCMS은 다양한 학습기기를 사용할 수 없으며, 적시성(Just-in-time)이 이루어지지 않아, 학습시 불편함이 발생된다. 이에 본 논문에서는 다양한 학습기기와 적시성에 대한 문제를 해결할 수 있도록 유비쿼터스 환경에 적용될 수 있는 LCMS 기반의 e-Learning 설계 방법을 제시 하고자 한다.

• 한국실내디자인학회논문집
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• 제26권6호
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• pp.97-105
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• 2017

Korea is promoted STEAM education since 2011. Furthermore, in high school education, based on the in-depth elective course's teaching and learning contents of science. The STEAM program can improve students' competence because it encourages to self-directed learning through the vocational project performance. Therefore, in this study, we researched a design education program for the experience of fusion and complex design based on STEAM education concept. We developed an education program to design insulation wall systems using up-cycling concepts to increase energy efficiency. As a result, the characteristics of the fusion education and the theoretical study about the learner-centered education curriculum, the analysis of the high school curriculum, the STEAM elements, The program was revised and supplemented through consultation with STEAM experts. In addition, the developed program was applied to high school students, and each step were analyzed based on the educational method theory. The following results were obtained. First, this study presented a program to cope with the needs of high school intensive education. Second, it provided learning motivation by combining flipped-learning as a way to train STEAM education contents. Third, it is required to develop differentiated and continuous program development and data sharing Fourth, in order to operate and promote the future environment design STEAM school, it is necessary to expand educational programs for high school students in the region through linkage with various universities.

• 한국멀티미디어학회논문지
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• 제6권4호
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• pp.630-637
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• 2003

This study is designed to use the stepwise learning system for solving learner-oriented problem on the Web, which can help learners probe studying targets and contents of mathematics as well as search for a study-related materials. The study provides a Web-based Courseware design model based on the general multimedia systematic professor design model. It develops a program for remote lecture that can solve problems through interaction among a professor and the other learners. It also implements a remote teaming system for real-time environment of mathematical problems oriented by the learner. The system designed either as a Web-based mathematical Courseware or as a text mode has the purpose of providing a Web-based stepwise learning system for solving mathematical problems oriented by the learner.

• International Journal of Air-Conditioning and Refrigeration
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• 제14권4호
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• pp.138-146
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• 2006

Recently, a technology based on the proportional integral (PI) control have grown rapidly owing to the needs for the robust capacity of the controllers from industrial building sectors. However, PI controller generally requires tuning of gains for optimal control when the outside weather condition changes. The present study presents the possibility of reinforcement learning (RL) control algorithm with PI controller adapted in the HVAC system. The optimal design criteria of RL controller was proposed in the environment chamber experiment and a theoretical analysis was also conducted using TRNSYS program.

• 한국정보통신학회:학술대회논문집
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• 한국정보통신학회 2022년도 추계학술대회
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• pp.188-190
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• 2022

본 논문에서는 하이브리드 러닝의 목적 및 교수-학습 원리를 기반으로 AI 교육 시스템의 구성안에 대해 제안하였다. 이를 위해 하이브리드 러닝의 4가지 구성요소를 바탕으로 AI 교육을 효과적으로 운영하기 위한 온·오프라인 학습환경(메타버스 기반, 앱 기반, 면대면 기반) 등의 시스템 개념 구성도와 시스템에 필요한 DB 구성도를 설계하였다. 본 연구에서 제안한 AI 교육 시스템 모형은 학습자의 수준 및 요구에 따라 AI 교육의 효과성을 극대화하고 AI 교육을 통한 컴퓨팅 사고력 함양에 있어 더 효과적인 학습자 중심의 학습 환경을 구축하는 데 도움이 될 것으로 기대한다.

• 유통과학연구
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• 제16권7호
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• pp.67-75
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• 2018

Purpose - In the 21st century, as information technology advances alongside the emergence of the 4th generation, industrial age, industrial environment has become individualized and customized. It is important to hire good quality employees for good service in the industry. The e-learning market is growing every year. Although e-learning companies are finding better quality employees in e-learning, it is not easy to find it. Companies also spend a lot of time and cost to find employee. On the employees side, they want to get a job freely when they want, but they cannot find their job easily. Furthermore, the labor market environment is changing fast. In the 4th generation, industrial age, employers require to find manpower whenever they need and want at little cost. So of their own accord, we have considered the necessity of management of human resources for employees and employers in e-learning. The purpose of this study is to propose a human cloud platform framework for enabling an efficient management of human resources in e-learning industry. Research design, data, and methodology - To pinpoint the items of a human cloud platform framework, the study was initiated according to the following process. First, items of competency relating to e-learning instructional designer was analyzed. Second, based on the items of information from this analysis, selection and validity verification took place with 5 e-learning specialists group. Third, the opinion of experts who were in charge of hiring in e-learning companies were collated with the questionnaire. Lastly, the human cloud platform framework was proposed based on opinion results. Results - The framework was comprised of 7 domains and 27 items in order to develop the human cloud platform for e-learning instructional designer. The analysis results showed that the most highly considered item were 'skill (4.60)' that employee already have the capability. Following this (in order) were 'project type (4.56)', 'work competency (4.56)', and 'strength area of instructional design (4.52)'. Conclusions - The 27 items in the human cloud platform framework were suggested in this study. Following this, we can consider to develop the human cloud platform for finding a job and hiring e-learning instructional designer easily. For successful platform operation, we need to consider reliability between employer and employee. In addition, we need quality assurance system based on operation has public confidence.