• ETRI Journal
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• 제41권3호
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• pp.277-288
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• 2019

VWorld is run by the Ministry of Land, Infrastructure, and Transport of South Korea and provides national spatial information, such as aerial images, digital elevation models, and 3D structural models. We propose herein an open platform for 3D spatial information based on WebGL using spatial information from VWorld. WebGL is a web-based graphics library and has the advantage of being compatible with various web browsers. Our open platform is also compatible with various web browsers. Accordingly, it is easily accessible via the VWorld site and uses the three-dimensional (3D) map program. In this study, we describe the proposed platform configuration, and the requests, management, and visualization approaches for VWorld spatial information data. Our aim is to establish an approach that will provide a stable rendering speed even on a low-end personal computer without a graphics processing unit based on a quadtree structure. We expect that users will be able to visualize 3D spatial information through the VWorld open platform, and that the proposed platform will become the basis for various applications.

• Asia pacific journal of information systems
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• 제18권4호
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• pp.83-103
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• 2008

In the new web based learning environment which has recently emerged, a variety of new learning objectives and teaching methods suited to this learning environment have been adopted. Recently, web based project-based learning methods have received a great deal of attention from those wishing to improve learning performance. The objective of this study is to identify the impact of characteristics of communication media and instruction behavior on collaborative interaction and project performance through web based group projects. The characteristics of communication media were divided into richness, flexibility, and ease of use, and the characteristics of instruction behavior were divided into support and expression, which are independent variables. Collaborative interaction as a mediate variable, was divided into information sharing and negotiation. Project performance was the dependent variable. To verify the proposed research model empirically, an experiment was conducted in which learners participated in on-line and off-line courses with group projects. The group project was conducted virtual product development(VPD), and designed a web-site about the VPD. At the end of the project, a survey was conducted. Of the 270 students, 239 responded. The students were assigned to groups of 3 or 4 members, and represented different genders and levels of computer competence. The reliability, validity, and correlation of research variables were analyzed using SPSS 14.0, and the measurement model and the structural goodness-of-fit of the research model were verified through SEM analysis using Lisrel 8.54. We found important results as follows; First, richness and ease of use has positive impacts on each of sharing information and negotiation. This suggests that richness and ease of use are useful in sharing information which is related to the task and agreeing in opinions among group members. However, flexibility has not positive impacts on sharing information and negotiation. This implies that there is no great difference in performance of PC and information literacy of user. Second, support and expression of instructor have positive impacts on sharing information and negotiation. This indicates that instructors play an important role in encouraging learners to participate in the project and communicating with them, sharing information related to the project, making a resonable decision and finally leading them to improve a project performance. Third, collaborative interaction has a positive impact on project performance. This result shows that if the ability to share information and negotiate among students was improved then a project performance would be improved as well. Recently, in the state of revitalized web based learning, it is opportune that web-based group project is practically conducted, and the impact of characteristics of communication media and characteristics of instruction behavior on sharing information, negotiating among group members and improving a project performance is verified. On the basis of these results, we propose that forms of learning, such as web based project, could be one of solution which is to enforce interaction among learners, and ultimately improve learning performance. Moreover web-based group project is able to make up for a weakness which makes it difficult to make interpersonal relations or friendship among learners in computer mediated communication or web based learning.

• 한국인터넷방송통신학회논문지
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• 제9권4호
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• pp.109-114
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• 2009

최근 Web 2.0이 이슈가 되면서 웹 기반으로 제공할 수 있는 서비스에 대한 기술이 빠르게 발전하고 있다. 또한, 웹상의 다양한 플랫폼과 SDK(Software Development Kit)도 여러 분야에서 제공되고 있어서 웹 서비스의 사용자가 급격히 증가하는 추세를 보이고 있다. 그러나 보안 시스템의 발전은 그 속도를 따라가지 못하고 있으며, 이러한 약점을 노려서 웹 서비스에서 제공되는 수많은 정보를 불법적인 방법으로 취득하려는 시도가 다량 발생하고 있는 실정이다. 따라서, 본 논문에서는 웹 서비스에 대한 다양한 불법적인 접근을 확인하기 위하여 접근정보를 분석하였다. 또한, 분석한 결과와 기존의 해킹방법으로부터 분류한 해킹패턴과의 매칭을 통해 해킹을 인지함으로써 위험 사실을 경고하는 시스템을 설계하고 구현하였다.

• 한국인터넷방송통신학회논문지
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• 제18권2호
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• pp.141-147
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• 2018

동호회는 오늘날 취미 등의 생활 모임 중 하나로, 단체에 포함된 개개인이 모임에 직접 참석하여 소속된 동호회의 주제에 맞게 활동한다. 본 논문에서는 동호회를 포함한 유사 집단에서의 필요한 기능인 투표, 공지사항, 설문조사, 건의사항 등을 구현하였으며, 안드로이드 스마트폰의 어플리케이션과, 안드로이드를 제외한 OS들의 편의를 위한 아파치 웹 서버 기반 웹 사이트와, 동아리 관리 면에서 전체적인 관리를 담당 할 수 있는 관리자용 웹 사이트를 사용하여 동호회 관리를 가능하도록 한다. 아파치 웹 서버를 비롯하여 웹 통신 언어인 PHP와, MySQL 데이터베이스, 안드로이드로 구성하여 설계하였으며, 구성된 설계에 대해서 설명한다.

• 정보관리연구
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• 제40권2호
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• pp.1-24
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• 2009

이 연구에서는 국내 기관들 간의 웹을 통한 학술커뮤니케이션 분석에서 더 나아가 국가 차원에서 한국과 일본 과학기술 분야 웹 공간에서의 학술적 교류를 파악하는 것을 목적으로, 웹계량학적 방법론과 사회연결망 기법을 적용하여 양 국가의 웹 공간을 분석하였다. 전체적으로 한국이 일본의 과학기술 분야 웹 학술정보를 더 많이 이용하고 있었으며, 한 일 국가간 학술커뮤니케이션을 이끄는 주체는 대학이라고 할 수 있을 정도로 두 나라 모두 대학을 중심으로 많은 링크를 보내거나 받고 있었다. 링크기반 분석에서 한국과 일본이 상대 국가에 대해 의존적인 학문 분야는 서로 다르게 나타났으며, 학문분야별로 상대 국가에 의해 많이 이용되고 있는 학술정보를 생산하는 한국과 일본의 대학 및 연구기관들을 파악할 수 있었다.

• 한국CDE학회논문집
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• 제7권2호
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• pp.110-120
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• 2002

This paper presents the method that allows easy and rapid integration of legacy resources within the company and between departments. The proposed system can easily construct a distributed environment for collaborative design between departments in the companies. It supports knowledge-based integration system, which allows designers to develop product with deep knowledge about product design. For the purpose, DOME (Distributed Object-based Modeling Environment)-which has been developed through various studies-was used in this paper. To overcome its problems and insufficiency, the Web-Integrator is proposed. The Web-Integrator is very suitable for an Internet environment because it uses HTTP (Hyper Text Transfer Protocol) and XML (extensible Markup Language) as its main communication method. By supporting the remote object access via URL (Uniform Resource Locator), the implementation of the integrated system makes the Web-Integrator systematic and intuitive. All the functions and resources provided by DOME could be used with the interface that enables bi-directional communication with the DOME system. Web-Integrator provides full web-based environments for the general designers, who do not have a full design knowledge and experience, and the proposed system allows design operations to happen at any place and anytime. Also it provides XML-RPC(Remote Procedure Call) based web service framework, which allows other systems to use easily the service that the DOME system supplies regardless the location and the platform.

• 한국인터넷방송통신학회논문지
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• 제20권1호
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• pp.121-126
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• 2020

한의학에서는 어떤 질병을 앓고 있는 환자에게 어떤 약초를 사용해서 매우 좋은 효과를 얻었다고 해서 다른 환자에게도 똑 같은 약초를 다른 환자에게 그대로 추천 하는 경우는 거의 없다. 왜냐하면, 똑같은 처방전 이라도, 어떠한 사람에게는 좋은 효과가 있지만, 어떠한 사람에게는 매우 나쁜 결과가 발생하기 때문이다. 본 논문에서는 이러한 문제점을 해결하기 위해서, 환자 생체 정보 및 사상체질 정보를, web프로그램에서 선택 하면, 약선식품을 자동으로 추천 하는 알고리즘을 개발 하였다. 뿐만 아니라, 본 논문에서는 환자의 사상 체질을 자동으로 판단하는 SW 를 개발 하였다.

• 한국정보통신학회:학술대회논문집
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• 한국정보통신학회 2012년도 추계학술대회
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• pp.651-652
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• 2012

최근 무선 모니터링과 하이브리드 모바일 웹 분야가 성장하는 연구 분야가 되고 있다. 본 논문에서는 센싱 데이터의 모니터링을 위한 모바일 웹 시스템의 설계와 개발에 대한 내용을 다룬다. 센싱 데이터의 전송을 위한 모바일 웹 모니터링 시스템은 8-bit AVR 마이크로컨트롤러와 블루투스 통신모듈을 사용하여 구현한다.

• 한국의류산업학회지
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• 제7권1호
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• pp.4-12
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• 2005

The purpose of this study was to analyze the utilization of Fashion Brands Web-site. This analysis was done by 6C Concept(Contents, Community, Commerce, Connection, Customizing, Communication) which was Internet Marketing Strategy. The review of previous studies and empirical investigations through the Internet were processed for this study. 151 fashion brands in department stores in Daegu, Korea were surveyed from January to February 2004. Data were analyzed by using frequency and percentage. Total 105 brands established their Web-Sites of Internet out of 151(69.5%) fashion brands. There were four characters on Contents, six characters on Connection and five characters on Communication. And there were a establishing rate of 38.1 percent on Online Community and 30.5 percent on Online Shopping Mall. On Customizing, 73.3 percent of brands had e-CRM systems.

• 제어로봇시스템학회논문지
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• 제7권7호
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• pp.632-639
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• 2001

This paper proposes an improved architecture of web-based monitoring systems for monitor of processes in plants from the soft real-time point of view. The suggested model is designed to be able to guarantee the temporal and spatial consistency and transmit the monitoring data periodically via the intranet and the Internet. The model generates one thread for monitoring management, one DB thread, one common memory, and corresponding monitoring threads to clients. The monitoring thread is executed during the smaller time than the execution time of the process used in the conventional methods such as CGI and servlet method. The Java API for the server API, VRML, EAI(External Authoring Interface) and Java Applets for efficient dimensional WEB monitoring are used. The proposed model is implemented and tested for a FMS plant, Some examples show that the proposed model is useful one.