• Proceedings of the Korean Information Science Society Conference
• /
• 2004.10a
• /
• pp.268-270
• /
• 2004

본 논문은 증강 현실(augmented reality)을 이용하여 학습자에게 효과적으로 교육할 수 있는 e-learning 교육컨텐츠 환경을 제공한다. 현재까지 연구되어온 증강환경을 이용한 교육 컨텐츠는 단순한 상호작용만을 허용하고, 실감형 인터페이스를 제공하기에는 제약이 따른다. 본 논문은 이를 개선하기 위해 기존의 교육 컨텐츠를 실감형 교육 컨텐츠로 전환할 수 있는 시스템 구성 방법에 관한 것으로써. 컨텐츠의 배치, 조작, 학습과정 등에서 기존의 교육 컨텐츠보다 인터랙티브하고 직관적으로 교육할 수 있는 실감형 인터페이스를 제공한다.

• Journal of Digital Convergence
• /
• v.15 no.12
• /
• pp.35-45
• /
• 2017

This study aims to explore the effect of quality factors and learning styles on users' satisfaction in e-Learning context. For this purpose, statistical methods such as reliability test, factor analysis, ANOVA, regression analysis were carried out using the survey data from university students. The quality factors of e-Learning were classified into contents, system, service, and interpersonal activities while learning styles were classified into positive-cooperative, self-directed, environmental-dependent, and passive styles. The results showed that each quality factors of e-Learning has a strong positive effect on user satisfaction, and self-directed group has higher satisfaction than other groups. Learning styles have moderating effects on the quality-satisfaction relationship, and especially, the group of passive learning style has a strong moderating effect on the interpersonal activities. Theoretical and practical implications and future research directions are drawn from these findings.

• The KIPS Transactions:PartA
• /
• v.18A no.6
• /
• pp.241-248
• /
• 2011

Many learning systems are applying Self-Directed Learning to improve learning efficiency. The degree of understanding of the same learning contents can be different even if the learner's level is same. Therefore, it is difficult to represent an effective learning experience because the learning is progressed by the determined difficulty of learning and the learning process even thought the provided content is difficult to understand. In this paper, we augmented SCORM to reconstruct the learning contents which are suitable for the changed level of each learner in real-time. Also, we designed and implemented this augmented SCORM based DCOS(Differential Contents Organization System). In order to provide the suitable contents for each learner, DCOS reorganizes learning contents based on the learner's level, the learner's achievement of learning objectives, and the correlation between learning objects, that is the component of the learning content. Each 30 Each 30 students studied e-learning contents, which are constructed based on the existing System and DCOS respectively. And the average score and system's satisfaction of the students who studied DCOS based e-learning contents was higher.

• The Journal of the Korea Contents Association
• /
• v.10 no.10
• /
• pp.479-493
• /
• 2010

Along with the transformation of the knowledge-based environment, e-learning has become a main teaching and learning method, prompting various research efforts to be conducted in this field. One major research area in e-learning involves adaptive learning systems that provide personalized learning content according to each learner's characteristics by taking into consideration a variety of learning circumstances. Active research on ontology-based adaptive learning systems has recently been conducted to provide more efficient and adaptive learning content. In this paper, we design and propose an adaptive learning system based on the concept lattice of Formal Concept Analysis (FCA) with the same objectives as those of ontology approaches. However, we are in pursuit of a system that is suitable for learning of specific domains and one that allows users to more freely and easily build their own adaptive learning systems. The proposed system automatically classifies the learning objects and concepts of an evolved domain in the structure of a concept lattice based on the relationships between the objects and concepts. In addition, the system adaptively constructs and presents the learning structure of the concept lattice according to each student's level of knowledge, learning style, learning preference and the learning state of each concept.

• The KIPS Transactions:PartD
• /
• v.13D no.3 s.106
• /
• pp.425-436
• /
• 2006

The e-learning system in which the learning is carried out by predefined procedures cannot offer proper learning suitable to the capability of individual learner. To solve this problem, SCORM sequencing can be used to define various learning procedures according to the capabilities of learners. Currently the sequencing is designed by teachers or learning contents producers to regularize the learning program. However, the predefined sequencing may not reflect the characteristics of the learning group. If inappropriate sequencing is designed it may cause the unnecessary repetition of learning. In this paper, we propose an automated evaluation system in which dynamic sequencing is applied. The dynamic sequencing reflects the evaluation results to the standard scores used by sequencing. By changing the standard scores, the sequencing changes dynamically according to the evaluation results of a learning group. Through several experiments, we verified that the proposed learning system that uses the dynamic sequencing is effective for providing the proper learning procedures suitable to the capabilities of learners.

• Journal of The Korean Association of Information Education
• /
• v.5 no.2
• /
• pp.279-287
• /
• 2001

In this paper, we have defined and designed the structure of standardized XML content for supplying efficient e-Learning contents. We have also implemented the prototype of XML contents generator to create the educational contents easily. In addition, we have suggested the contents searching method using Case Base Reasoning and Bayesian belief network to supply XML contents suitable to learners request. The existing e-Learning system based on HTML could not customize and standardize, but XML contents can be reused and made an intelligent learning by supplying an adaptive content according to learners level. For evaluating the efficiency of designed XML content, we make the standard XML content for learning JAVA program in e-Learning system as well as discussing about the integrity and expanding the educational content. Finally, we have shown the architecture and effectiveness of the knowledge-based XML contents retrieval manager.

• Journal of the Korea Computer Industry Society
• /
• v.4 no.12
• /
• pp.911-922
• /
• 2003

Nowadays, we can easily find student who study through computer in e-teaming environment. But, although e-teaming system has strong point that overcomes limitation of distance and time, many students give up their study through on-line learning. In this study, we developed On-Line learning motivation model, and designed and developed on-line quiz game loaming system. Thus we can find student's teaming motivation was grow up through student's interaction. Also, we find on-line quif game learning system had many information that explain student's status about their knowledge.

• The Journal of the Korea Contents Association
• /
• v.9 no.1
• /
• pp.475-483
• /
• 2009

With the development of information communication and network technologies, ubiquitous era that supports various services regardless of places and time has been advancing. The development of such technologies have a great influence on educational environments. As a result, e-learning concepts that learners use learning contents in anywhere and anytime have been proposed. The various learning contents authoring systems that consider the e-learning environments have also been developed. However, since most of the existing authoring systems support only PC environments, they is not suitable for various ubiquitous mobile devices. In this paper, we design and implement a contents authoring system based on learning activities for u-learning environments. Our authoring system significantly improves the efficiency for authoring contents and supports various ubiquitous devices as well as PCs.

• Proceedings of the Korea Information Processing Society Conference
• /
• 2002.04a
• /
• pp.221-224
• /
• 2002

본 논문에서는 전자책을 이용한 e-Learning 플랫폼을 소개한다. 이 시스템은 전자책에 대해 주석(annotation)을 추가하는 방식으로 텍스트의 부분에 대해 하이라이트, 북마크로 메모를 달거나 프리드로잉을 이용하여 설명을 달 수 있다 전자책에 추가된 하이라이트 및 북마크 등의 정보는 학생 리더 시스템에 외부 데이터로 저장되어 개인적인 학습에 사용할 수 있을 뿐 아니라 동기적인 원격 강의 방식으로 교사의 네비게이션과 액션에 따라 그 결과를 학생 터미널에 바로 보여주어 교사가 교재 화면을 칠판 대신 사용하면서 강의 내용을 전달하는 것이 가능하다. 또한 전자책에 기반한 토론을 지원하기 위해 채팅 기능을 구현하였는데, 각 문장은 전자책의 특정 위치(context)에 연결될 수 있다. 본 시스템은 전자책을 이용한 개별학습 자료의 제공 및 실시간 원격 강의를 위한 플랫폼을 제시하였으며, 자바 기반의 전자책 리더 시스템상에 구현하였다[1].

• Proceedings of the Korean Institute of Intelligent Systems Conference
• /
• 1993.06a
• /
• pp.1005-1008
• /
• 1993

Supervised learnmg 01 recurrent neural networks (RNNs) is discussed. First, we review the present state of art, featuring their major properties in contrast of those of the multilayer neural networks. Then, we concisely describe one of the most practical learning algorithms, i.e. backpropagation through time. Revising the basic formulation of the learning algorithms, we derive a general formula to solve for the exact solution(s) of the whole connection weights w of RNNs. On this basis we introduce a novel interpretation of the supervised learning. Namely, we define a multidimensional Euclidean space, by assigning the cost function E(w) and every component of w to each coordinate axis. Since E=E(w) turns up as a hyper surface in this space, we refer to the surface as learning surface. We see that topological features of the learning surface are valleys and hills. Finally, after explicating that the numerical procedures of learning are equivalent to descending slopes of the learning surface along the steepest gradient, we show that a minimal value of E(w) is the intersection of curved valleys.