• Journal of Korean Library and Information Science Society
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• v.35 no.2
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• pp.415-436
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• 2004

This study addresses two aspects related to knowledge management systems. First, it introduces knowledge management systems for broadcasting stations to develop a specific model. Second it introduces the team-based approach as a methodology for designing and developing knowledge management systems. Beginning with a discussion on the concept of knowledge management, this paper examines the characteristics, current situations and evolved paradigms of broadcasting stations. In addition 6 web sites of broadcasting stations are analyzed. The team-based approach is also presented in some detail on how it can be applied to other organizations. Results of this study show a knowledge management system with five subsystems for broadcasting stations.

• Journal of Digital Convergence
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• v.13 no.8
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• pp.245-251
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• 2015

If a digital signage system is operated in PC mounted in the Window OS then the implementing price is very high. For resolving this problem, we used the Smartphone mounted in ARM Cortex family of multi-core processor-based mobile platform. We developed a low-power low-cost digital signage system and a remote convergence content management program based on web server. This convergence system manages advertising content to a remote control device anywhere using remote control technology. This system is one integrated system with display and is a low-power consumed and is developed in very efficient hardware interface. And condition sensors(intensity of illumination, temperature, weather, GPS etc) is equipped in the developed system. Automatic contents builder and Context-aware SMIL module is also implemented in the convergence system. We achieved over 50% power savings comparing with conventional Window OS system and 16 points multi-touch in our system.

• Journal of The Korean Association of Information Education
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• v.7 no.1
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• pp.91-101
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• 2003

The advantages of Web Based Training(WBT) are flexible delivery of training, easy distribution, security through registration and ease of content update. And WBT also provide a powerful instructional environment. An obvious instructional advantage of WBT is the ability to provide for the delivery rich multimedia to learners. In this paper, we have proposed the curricula for the Subjects of Computer Education in University. And We implemented the Web Based Training System for the Subjects of Computer Education including the proposed curricula. The Proposed system are composed of student's learning part, lecture's teaching part, and operator's management part. And we show the Effectiveness and Weakness of proposed system, based on the students answering about various questions related proposed system's effectiveness.

• Proceedings of the Korea Information Processing Society Conference
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• 2003.05c
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• pp.1805-1808
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• 2003

웹 서비스의 위치와 컨텐츠에 대한 정보를 제공하는 UDDI 는 현재 IBM, Microsoft 그리고 SAP 에서 공용 UDDI 레지스트리 서비스 형태로 제공되고 있다. 기존의 UDDI 레지스트리 서비스는 웹 서비스 사용자 입장에서 볼 때 이용이 어렵고, 제공업체에 따른 UDDI 의 검색 도구와 방식의 차이로 인한 혼란이 있으며, 검색 효율도 만족스럽지 못한 실정이다. 이에 본 논문에서는 이러한 문제를 보완하기 위해 UDDI 레지스트리 서비스 중 검색을 위한 에이전트 개념 모델을 제안한다 UDDI 검색 에이전트는 사용자와 공용 UDDI 레지스트리 서비스 사이에 위치하며, UDDI 서비스 이용의 편의를 위해 사용자의 정보를 관리하는 UDDI 브라우저, 필요 시 검색 과정의 각 상황에 대한 정보 및 해결책을 제공하는 Help Desk, 사용자의 UDDI 레지스트리 검색 성향을 분석하는 패턴 분석기, 그리고 이전에 검색한 웹 서비스 정보 검색 경로를 기록한 Search Map으로 구성된다. 이 외에 Search Map을 작성하기 위한 Search Map Building Engine 또한 사용된다 이러한 UDDI 검색 에이전트 개념 모델의 구성요소들은 서로 메시지를 주고받으며 유기적으로 협력해, 사용자 입장에서 보다 더 쉽고, 용이하고, 효율적인 UDDI 검색 서비스를 제공한다.

• Journal of the Korea Society of Computer and Information
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• v.11 no.4 s.42
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• pp.61-68
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• 2006

As high speed Internet service technology develops. many people are accessing wireless internet service by using mobile devices. However. an HTLM web page for PC is not very compatible with wireless internet because of its unnecessary advertisements, high resolution. and various multimedia data. This is because the main focus when creating it was on high speed. As this research indicates with the RSS channel. converted from the main part of the HTLM web page, which users show interest in. a wireless compatibleinternet page can easily be created. Consequently, web administrators could create a wireless page easily and quickly, and wireless users would be able to find information in the same manner.

• Journal of Korea Society of Industrial Information Systems
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• v.10 no.3
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• pp.15-20
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• 2005

Since the invention of Web, it became part of our daily life replacing the routine information search and effecting many activities which otherwise could have been done off-line without it. It was a natural evolution of the web technology, which had started out as a simple test based pattern matching, to be based on the optimized match process for its multi-media Web environment, like still images, music and movies that we are to face today. In this paper, we proposed and implemented the model which the multimedia resources can be efficiently shared in semantic web. After converting multimedia resource information(metadata) into RDF, for efficient management, the model separate and allotment actual multimedia resource and corresponding metadata changed to RDF to each server. The proposed model could be applied in all multimedia resources. For easy explanation and implementation, however, we applied it to the digital photograph in example.

• Journal of The Korean Association of Information Education
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• v.7 no.2
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• pp.199-206
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• 2003

XML is becoming a new developing tool of web technology because of its ability of data management and flexibility in data presentation. So it's well researched that the reusability and integration with learning objects such as text, image, sound, video and plug-in programs of web contents in computer education. But the research for storing, extracting and integrating metadata about learning object was needed prior to implementing online learning system to integrate and manage it. Therefore this study propose a new method of using web service of DBMS for extracting learning object's metadata in database server which located in 3-tier system. To evaluate the efficiency of proposed method, The test server and two DBMSs(MS SQL Server 2000 and Oracle 9i) which have 30 metadata was implemented and the response time of it was measured. The response time of it was short, but in order to using this method the additional programming with SAX/DOM was necessary.

• The Journal of Korean Institute for Practical Engineering Education
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• v.4 no.1
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• pp.72-79
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• 2012

Recently, the growth of the computer-related industries lead to the growth of the computer-aided education. Virtual training (VT) is one of the most interesting education methods. Many 3D models for the VT contents have been produced, but little research has been performed for the unified management system to promote the reuse of 3D models. This paper proposes the unified 3D model management system. The 3D model file formats are surveyed to find a format that can be easily used by many VT content production softwares. The 3D model files will be stored in a central DB server. The structure of the DB system will be designed for 3D models. The system provides an easy way to search and download a 3D model. With the proposed system, the reuse of 3D models is expected to be promoted.

• Proceedings of the Korean Information Science Society Conference
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• 2001.10a
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• pp.163-165
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• 2001

근래에 눈부신 통신 장비의 발달은 무선환겅에서 인터넷 사용을 가능케 하였고, 또한 인터넷 사용자의 다양한 욕구 증가로 인해 무선 인터넷 서비스에 대한 기대도 급증하는 결과를 낳았다. 이를 위해 많은 통신사업자들이 연합하여 단체를 구성하고 무선 인터넷을 위한 프로토콜 표준을 제정하여 실용화하고 있다. 현재 WAP은 이들 프로토콜들을 대표하고 있고 결과로 많은 컨텐츠들이 WML로 제작되어 서비스되고 있다. 하지만 인터넷 상의 다수의 웹 페이지들은 이미 HTML을 사용하여 제작되었고 이는 WAP이 지원하지 않는 언어이므로 사용자를 위해 WAP 환경에 맞는 WML로 변환하는 과정이 필요하게 되었다. 이와 더불이 제공되는 서비스의 개발과 관리 목적으로 유선상에서도 이를 확인할 수 있는 사용자 에이전트가 필요하게 되었다. 본 논문에서는 HTML 문서를 WML 문서로 변환하는 변환 플랫폼과 이를 유선상에서 확인하고 관리할 수 있는 사용자 에이전트에 대해 제안한다.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.16 no.4
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• pp.2665-2673
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• 2015

The purpose of this study is to develop a web-based database system to manage effectively data collected to evaluate program learning outcomes (PO) in a nursing school. The database management system (DBMS) was developed using a software development life cycle method: Analysis, Design, Implementation, and Evaluation. The demands for the content and system of users were collected. The system structure, database using an entity-relationship modeling, and user interface were designed based on the demands. The designed DBMS was created using GWT, Java and Apache HTTP server. The expert group and users evaluated the implemented DBMS. Problems derived from them were modified. The average of end-user computing satisfaction evaluated by 8 nursing faculty and 5 teaching assistants was 4.14 (SD =.44). The web-based PO DBMS makes it possible for nursing faculty members to access and use much of the information needed for analysis and decision-making.