• Proceeding of Spring/Autumn Annual Conference of KHA
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• 2006.11a
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• pp.185-189
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• 2006

attention to the elevation of the Quality of living, various ways to revitalize the community spirit are found including reforming hardhearted neighborhoods and overcoming the dreariness of city. With the development of the internet and the spread(dissemination) of "digital home", the communities in cyber space are especially active since we are living in an information-oriented society. To consolidate the communities in apartment complexes, this study tries to find revitalization methods of the cyber community by analyzing the contents of the web sites, understanding the cyber community. The cyber contents that are provided come from three main companies that develop the internet apartments. These are compared and analyzed. The related cyber communities("cafe") are also analyzed. The results are as follows. 1)Though they have some differences on details, the content provided from internet companies can be categorized as introduction to the apartment complex, personal service, community, club and internet shopping. 2)The contents on the cyber community made by the residents are mostly for clubs and chatting since they are made for communication between residents. 3)To revitalize the cyber community, the content that gets more attention from the residents needs to be subdivided into groups.

• The KIPS Transactions:PartC
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• v.14C no.6
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• pp.509-518
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• 2007

Jakarta Slide is a WebDAV server developed as one of Apache projects, which supports asynchronous authoring for various contents on the server. Unfortunately, since the WebDAV protocol does not explicitly provide the workspaces for user groups, it is difficult to support complicated collaboration using Jakarta Slide. The CoSlide system is an extension of Jakarta Slide to address this problem, presenting more effective collaborative environment by providing various workspaces for group collaboration. In this paper, we describe the CoJBother Messenger for the CoSlide collaborative system. We developed CoJBother by extending the JBother messenger based on the standard Jabber protocol. To support the users and groups defined on the CoSlide system, we also extended the Jabber protocol. CoJBother shows the information on the CoSlide users and groups in addition to the standard Jabber users and groups. In particular, through CoJBother, the members of a group on CoSlide can initiate group chatting without any administrative overhead.

• Journal of Advanced Navigation Technology
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• v.14 no.5
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• pp.737-744
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• 2010

A Social Network Service(SNS) is the best attracting internet business model and serviced in the several countries. The Facebook is the most popular SNS in a foreign country and the Cyworld is most popular one in Korea. In this paper, after investing and analyzing the existing Social Network Services, I present a new OpenU Social Network Service based on Web 2.0 concepts. This is a next generation internet platform which can be communicated with real-time chatting and share d data and talked during seeing data by collaboration functions OpenU's main characteristics and functions by screen design and implementations are explained. And also OpenU's excellence by comparing with other SNSs system is presented.

• Proceedings of the Korean Information Science Society Conference
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• 1999.10b
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• pp.224-226
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• 1999

본 논문에서는 다양한 목적의 공동 작업 시스템에서 공통적으로 사용할 수 있으며, 플랫폼에 독립접인 웹 기반의 화이트 보드와 채팅을 설계하고 구현한 내용을 소개한다. 본 논문에서 구현한 시스템은 서버/클라이언트 구조로서, 서버와 클라이언트 모두 JAVA로 구현하였다. 그러므로 플랫폼에 독립적인 서버 시스템(application)을 구성할 수 있으며, 별도의 어플리케이션 없이도 웹 브라우저만 있으면 클라인언트의 접속이 가능하다. 멀티유저와 멀티작업그룹을 지원하기 위해서 서버에는 접속 관리자와 세션 관리자를 두었으며, 각각 쓰레드로 동작하여 서버의 부하를 줄이고, 또한 서버와 클라이언트간의 통신이 실시간으로 이루어지게 하였다. 웹 사이트와 MS Office 문서의 공유, 1:1대화, 작업 포인터 등의 기능을 지원하여 공동 작업의 효율을 증진시키고, 마치 동일한 공간에서 작업하고 있는 듯한 효과를 얻게 하였다.

• IE interfaces
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• v.15 no.4
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• pp.391-400
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• 2002

The internet call systems using CTI(Computer Telephony Integration) functions are designed with system configuration, DFD(Data Flow Diagram) and ERD(Entity Relationship Diagram) in this paper. The internet call systems are constructed to cooperate with conventional CTI call center. The internet phone calls occurred from the web browser of customer can be connected throughout VoIP gateway and PBX to many counselors. The internet call systems can provide various services; customer information service, escorted browsing service, text chatting service, text sharing service, conference service, and statistical analysis service.

• Proceedings of the Korean Information Science Society Conference
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• 2000.10b
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• pp.571-573
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• 2000

기존 분산 가상환경 시스템에서는 참여자들 사이의 언어 외적인 의사교환을 지원하기 위해 참여자의 아바타에 몸짓이나 얼굴 표정 등을 표현할 수 있도록 애니메이션 가능한 아바타를 사용한다. 하지만 아바타 애니메이션으로 참여자의 의사 및 감정 표현을 표현하는데는 한계가 있다. 따라서, 이 논문에서는 가상 환경 내의 다중 사용자들의 의사 교환 및 감정 표현을 극대화할 수 있는 방법으로 실시간 화상 대화 가상 환경 학습.훈련 시스템을 설계하였다. 설계한 시스템은 학습 참여자의 화상 및 음성 스트림을 전달함으로써 기존 응용들에 비해 풍부한 의사 교환을 지원하고, 가상 공간에서 학습에 필요한 다양한 모듈들을 포함하고 있다.

• Proceedings of the Korean Society of Computer Information Conference
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• 2020.07a
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• pp.307-310
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• 2020

본 논문에서 이슈 키워드 추출을 위해 텍스트 마이닝(Text Mining) 기술을 요구한다. 사회적 이슈 키워드를 추출하기 위해 키워드 수집 모델이 되는 사이트에서 크롤링(crawling)을 수행한 뒤, 형태소 단위 의미있는 단어를 수집하기 위해 형태소 분석(morphological analysis)을 수행한다. 한국어 형태소 분석을 위해 파이썬의 코엔엘파이(KoNLPy) 패키지를 활용한다. 형태소 분석을 통해 나뉘어진 단어에서 통계를 내어 이슈 키워드 추출한다. 이슈 키워드를 뒷받침할 연관 단어를 분석하기 위해 단어 임베딩(Word Embedding)을 수행한다. 단어 임베딩 수행을 위해 Word2Vec 모델 중 Skip-Gram 방법론을 적용하여 연관 단어를 분석하도록 개발하였다. 웹 소켓(Web Socket) 통신을 통한 채팅 프로그램의 상단에 분석한 이슈 키워드와 연관 단어를 출력하도록 개발하였다.

• Journal of the Korean Society for information Management
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• v.29 no.1
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• pp.351-374
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• 2012

Recently, the website of university archives is becoming greatly significant to users who retrieve and utilize university archives and records. This study aims to meta-analyze university archives in Korea in terms of usefulness, usability, information quality, and web accessibility in order to improve the functionality and usefulness of university archives websites. The result of the study suggests that university archives should increase the number of the digital records and to develop communication chanels, such as blog, chatting room, digital reference services for activating use of university records. Secondly, university archives make efforts to develop systematic collecting and managing procedures and to build relevant digital collections. Thirdly, the websites of university archives develops more user-friendly interfaces and web design to improve user satisfaction. Finally, the websties of university archives should follow the standards on web accessibility.

• Journal of East-West Nursing Research
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• v.19 no.2
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• pp.159-167
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• 2013

Purpose: The purpose of the study is to develop and to evaluate a internet-based social support program for the mothers of congenitally abnormal children. The theoretical basis of the study is the moderating effect model of social support theory (Cobb, 1976). Methods: In first phase, an internet support program was developed according to the practical web development stages proposed by Boling and Frick (2002). In the second phase, the internet support program was provided and evaluated to 18 mothers who reared congenitally abnormal children from March to May 2008. Results: In the first stage, demands of the program were collected from interviews of eighteen mothers of congenitally abnormal children of ages one to three. At the same time, literature review and validity of the contents were also examined. In the second stage, the correspondence of the program contents to the social support needed was also examined. In the third and fourth stages, prototype of the social program was prepared in documents and that of computer program was prepared. In the final stage, an internet-based web site was constructed. The social support provided by the web site were composed of informational support, emotional support and appraisal support including bulletin board system and chatting service. After program development, pre-tests and post-test were performed to investigate the effect of the program on maternal confidence and mood. Data were analyzed using Wilcoxon signed rank test. The analysis showed that maternal confidence of post-test was improved than that of pre-test with statistically meaningful figure (Z=-2.54, p<.05). The positive mood of post-test was also improved than that of pre-test and the result was statistically supported (Z=-2.20, p<.05). Conclusion: It is suggestive that the internet based social support programs is accessible and appropriate service to congenitally abnormal children's mother. It is necessary to develop and use the internet based social support programs in public health system.

• Journal of Korea Multimedia Society
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• v.23 no.9
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• pp.1139-1146
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• 2020

Recently, as e-learning technology advances, interaction and data exchange between lecturers and learners have become very important. In addition, accuracy of data delivery and efficiency of system implementation should be ensured. Considering these aspects, SignalR is the most suitable communication method for constructing an audience response system in e-learning. Existing audience response systems require separate wireless devices and have problems with system compatibility. SignalR, on the other hand, is capable of operating in all environments including PC programs, web, Android, and iOS, and has an advantage of being easy to develop applications. As such, SignalR is widely used in chatting functions for small scale, real-time communication system, and it has never been used to implement an audience response system. Thus, for the first time in this paper, an audience response system using SignalR was proposed and an experiment was conducted on whether it was applicable at the e-learning education field. Therefore, from the results fo an experiment, a variety of e-learning environments can be built through the audience response system using SignalR proposed in this paper.