• The Journal of the Korea Contents Association
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• v.5 no.4
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• pp.78-84
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• 2005

The education system that based on objective data is needed for the beginning technologists in the department of radiology, development of the CAI system based on breast images is needed mammography field. So, in this study, we implemented CAI system based on mammography images for medical radiological technologists under Web using multimedia toolbook. This system is implemented under Web, more and more beginning technologists can have a remote-education beyond time and space, can save human power and time that needed due to hold in common of educational information, and cannot team mistaken breast images because of learning execution based on objective data. Also, implemented system brings a higher interest and a learning effect to medical radiological technologies because of hyper-media method that offered from toolbook. In the future, it will be needed a continuous acceptance of changing knowledge and it will be useful system for technologist in case of applying various examinations based mammography method of this study.

• The Journal of Korean Association of Computer Education
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• v.5 no.1
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• pp.109-115
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• 2002

Nowadays, Web-based bulletin board system is widely used for e-learning because of its effectiveness in communicating and information sharing. But harmful or irrelevant contents are frequently posted and these affect students in learning community based on Web-boards and the ill effect of Web-board is revealed. Some Web-boards provide features that allow users can filter specific words to resolve this problem but those features have shortcomings. Using these features the content that contains harmful words is always removed even if the whole meaning of it isn't harm and user who uses harmful words habitually cannot have an opportunity of having his/her bad habit be corrected. In this paper, we proposed new way of dealing with harmful words that overcomes those shortcomings.

• Journal of the Institute of Electronics and Information Engineers
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• v.50 no.11
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• pp.153-161
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• 2013

Recently, there has been a tremendous increase in the availability of educational materials for foreign language learning. As part of this trend, there has been an increase in the amount of electronically mediated materials available. However, conventional educational contents developed using computer technology has provided typically one-way information, which is not the most helpful thing for users. Providing the user's convenience requires additional off-line analysis for diagnosing an individual user's learning. To improve the user's comprehension of texts written in a foreign language, we propose an intelligent learning tool based on the analysis of the user's eyeball movements, which is able to diagnose and improve foreign language reading ability by providing necessary supplementary aid just when it is needed. To determine the user's learning state, we correlate their eye movements with findings from research in cognitive psychology and neurophysiology. Based on this, the learning tool can distinguish whether users know or do not know words when they are reading foreign language sentences. If the learning tool judges a word to be unknown, it immediately provides the student with the meaning of the word by extracting it from an on-line dictionary. The proposed model provides a tool which empowers independent learning and makes access to the meanings of unknown words automatic. In this way, it can enhance a user's reading achievement as well as satisfaction with text comprehension in a foreign language.

• Journal of Korea Multimedia Society
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• v.9 no.3
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• pp.353-359
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• 2006

For answering a given condition of education which tries groping various instruction way of learner-leading, project-based instruction is noticed that inducing motive and interest of study by learner maker the effect of teaming, instruction way of owner-leading which solve by themselves. In this thesis, it develops education contents for applying project-based instruction to visualbasic course. Using FLASH MX and PHOTOSHOP 6.0 program which became known web production means, in distinction from the instruction contents which is a freeze-frame, it makes prossible interaction between computer and learner, induce interest and concentration of learner. In result of applying this, it appears real effect to the learning effect.

• Journal of The Korean Association of Information Education
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• v.9 no.4
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• pp.571-579
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• 2005

교수-학습과정에서 학습자가 가지고 있는 학습 장애는 학습 결과에 많은 영향을 미친다. 학습자의 학습 장애를 정확하게 진단하고 이를 고려한 수업 활동이 전개되어야 효과적인 교수-학습 활동이 이루어 질 수 있다. 학습 장애의 특성상 장애 진단과 처방과정에서는 비공개적인 접근이 요구된다. 인터넷 기반의 온라인 학습 장애 진단과 처방시스템은 이와 같은 문제를 해결할 수 있는 유용한 방안 중의 하나가 될 것이다. 하지만 기 구축되어 운영 중인 온라인 기반 학습 장애 관련 사이트들은 학습 장애를 진단해 주고 처방해 주기 보다는 학습 장애 정보를 안내해 주는 정도의 수준에 에 그치고 있다. 단순히 웹문서 형태의 정보제공 체제이거나 텍스트 기반의 지식 전달 체계로 인하여 학습자 개개인의 특성을 고려한 장애 진단에 한계점을 가지고 있다. 학습 장애에 대한 지식을 체계화함과 동시에 일정한 기준에 의해 연관성을 지어 줄 수 있는 의미 분석과 추론 등의 방법에 사용되어지는 온톨로지를 활용하게 되면 기존의 시스템이 가지는 제한점들을 극복할 수 있을 것이다. 이에 본 연구에서는 온라인 상황에서 학습자의 학습 장애를 정확하게 진단하기 위해 온톨로지를 이용하여 학습장애 진단 시스템을 설계하고 구현하였다. 온톨로지의 구축에 사용된 도구는 protege-2000을 사용하였다. 진단시스템 개발 환경으로 학습자의 인터페이스는 Visual C++, 교사의 인터페이스는 Visual Studio.NET을 사용하였으며, DBMS는 Microsoft Office Access와 MS-SQL Server를 사용하였다. 이 연구는 OWL 온톨로지를 사용하여 보다 지능화된 학습 장애 진단시스템을 개발함으로써 실현 가능성을 제안하고 있는 것이 연구의 의의이다.

• Journal of the Korean Society for information Management
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• v.26 no.3
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• pp.239-259
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• 2009

The study aims at investigating students' behaviors and perceptions regarding the collaborative learning based group project using the wiki environment. The study utilized Google Sites as a case, and analyzed file unloads, the use of web pages, navigation bars, and comments as well as surveys. The study discusses main characteristics of students' activities in the collaborative learning group project, which are drawn from the analysis of students' behaviors and perceptions. The study also provides implications for improvement of wiki environment to support collaborative learning in education.

• Journal of the Korean association of regional geographers
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• v.12 no.2
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• pp.281-290
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• 2006

Map uses graphic language of dot, line and area to represent surface of the earth. Map has been adopted as tools for regional and cartography learning to improve graphicacy in geography education. Due to the rapid development in GIS and internet, practical use of maps has been extended in various study area. This Study is to develope web-based leaning materials for self-controled geography instruction. As learning materials for this aim, it has been constructed WebGIS for topography and thematic maps with boundary map of Chungbuk, digital map of Jochiwon(1:25,000), statistic data and field images. Function of WebGIS intend to improve skills on geo-information collection and spatial query, regional difference of spatial distribution. Individual learning using internet can make an improvement of learner centeredness and problem-solving. Finally, it will be expected to be suggest one of the education guide as blueprint in info-society.

• The Journal of Korean Association of Computer Education
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• v.6 no.4
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• pp.85-93
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• 2003

This paper proposes an item based learning system using e-mail in order to motivate learners effectively and avoid the bottleneck problem under highly competitive access situations such as the traditional web based learning. The proposed system has th ree features as follows: first, through e-mail, a learner receives test items depending on his/her level, submit an answer sheet, and then identify an assessment with help messages. Secondly, on the web, an instructor easily constructs item database without any other tools and monitors the status of each learner by identifying the learners' record. Finally, an easy-to-use interaction mechanism enhances the inter-activity between learners and instructors, and the usability of Q&A(Question and Answer) service by incorporating e-mail into the web bulletin board.

• Journal of the Korea Institute of Information and Communication Engineering
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• v.19 no.7
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• pp.1653-1659
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• 2015

Operating Systems is a discipline which handles abstract concepts and techniques. However, most of OS courses have been textbook-oriented theoretical classes. Theoretical classes lead to the decline in the understanding of a lecture and hurt their concentration. Many instructors have tried various ways to help students understand lectures and arouse interests. This paper describes the design and implementation of a web-based educational CPU scheduling simulator which enables learners to set up various situations and simulate scheduling processes using a web browser or a smart-phone. After utilizing the implemented simulator for the class, the survey result for 2014's students shows that it is useful as an educational tool which enhances the understanding of a lecture and develops their problem solving skills.

• Journal of the Korean Society for Library and Information Science
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• v.47 no.2
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• pp.181-200
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• 2013

The test instrument utilized to diagnose and evaluate a trainee's ability are necessary for an effective information literacy education. Nevertheless, there is a lack of a standardized test instrument to comprehensively measure students' information literacy. The purpose of this study is to develop a standardized test instrument to evaluate the information literacy of middle school students, and to verify the reliability and validity of the test instrument. For this purpose, this study selected factors that can show the information literacy and developed an information literacy test framework that was designed based on Guilford's SOI model and Meeker's SOI-LA test. The test instrument that was developed through this study is a 30-item Web-based multiple-choice test. This study administrated tests in middle school students (794 students joined), and analyzed difficulty, reliability, discrimination index, validity of tests, and reviewed tests items to qualify the standardized test. The cutoff score was also decided when using these tests as a diagnostic information literacy assessment.