• Journal of the Korean Society for information Management
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• v.36 no.3
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• pp.61-80
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• 2019

This study aimed to develop Research Data Management (RDM) Services in a domestic university library of Korea. In this study, elements and levels of RDM services are examined and in-depth interview was conducted with university researchers affiliated in Seoul National University, which has the largest amount of research fund among universities in Korea. Interview was conducted to analyze their data management practices and needs of RDM services. Interview results show researchers' lack of awareness toward Data Management Policy and data sharing obligations of funding agencies and academic journal publishers. Also, they had trouble managing research data systematically. However, many of the researchers understand the necessary of research data management and education of data management. Based on the interview result, service elements and contents are suggested for RDM services which is consisted of education services, professional consulting services, curation technical services. This study result will help to guide for the planning the future RDM service in university library of Korea.

• Proceedings of the Korean Society of Broadcast Engineers Conference
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• 2020.11a
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• pp.361-363
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• 2020

기존의 지도 또는 길 찾기 기능을 사용 할 때 방향 정보를 직관적으로 제시해주는 네비게이션 구현을 목표로, 사용 지역을 캠퍼스 내로 국한시켜 증강현실을 이용한 네비게이션을 구현하였다. 본 애플리케이션 개발에는 Mapbox maps API, ARCore, Unity 3D Engine, Android studio를 사용하였다. 사용지역을 확대시켜 Mobile device 뿐만 아니라 자동차 앞 유리 디스플레이에 접목하여 보다 다양한 서비스 제공을 기대할 수 있다.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2009.10a
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• pp.815-816
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• 2009

Owing to the development of computer technologies, to process data derived from various sensors is recently demanding. It is also increasing to demand the moving object based servies like the services of location based and mobile application services. That's why it is needed the processing of visualizing the services for education aspects. In this paper, we show the implemented results about $R^*$ tree algorithm to insert, delete and search a object in two dimension environment.

• Proceedings of the Korea Contents Association Conference
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• 2007.11a
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• pp.75-79
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• 2007

ISO 9001 International Quality Management System is international standard for develop a quality management system of organization. More efficient quality management supports a good environment for customer satisfaction to product and service that anytime. So, Korea Institute of Science and Technology Information (KISTI) was certificated ISO 9001:2000 Quality Management System in 2003 up to now. That is the first time on information flow and service for science and technology. For more efficient quality management, KISTI built a KQMS online system based on web. We obtain a improvement of customer satisfaction and efficiency of work, reduction of work processing time using KQMS.

• Journal of Information Management
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• v.43 no.1
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• pp.1-22
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• 2012

The standard of library is to provide the mission and goals, user services, and operations management of the library. Also, it is can be used as a tool that evaluate a various services and programs of the library. However, library standard of domestic does not reflect a realistic situation of special libraries, therefore it should be revised immediately. In this study, I analyzed the international trend of special library standards in major countries, and compared the legal and recommended standards, and evaluation indicators in Korea. As a result, revised directions of new standard have been proposed. Proposed directions will contribute in revising the special library standard of Korea.

• Journal of KIISE:Computer Systems and Theory
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• v.34 no.5_6
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• pp.214-227
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• 2007

A context-aware service in ubiquitous computing environments aims to supply services according to users' situation information that is dynamically occurring. The existing context-aware workflow systems, such as FollowMe and uFlow, provide context-aware services based on a workflow, which uses users' situation information as transition conditions of a service. But they can't apply users' new service demands, which may dynamically occur even when a workflow is on going, to a workflow scenario. In this paper we propose a context-aware workflow system, which can reapply users' new service demands into an initial workflow without interrupting or deleting the workflow. The proposed system can provide context-aware services without interrupting of service by recognizing exactly a place holder that has to be changed in a workflow scenario and by reconstructing only the changed parts through an incremental parsing method. Therefore, a user can immediately apply his new service demands to an on-going workflow scenario, and he can be guaranteed continuous executions of context-aware services according to a workflow scenario, which includes new service demands.

• Convergence Security Journal
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• v.24 no.2
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• pp.31-38
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• 2024

Recent expansion in cloud service usage has heightened the importance of cloud security. The purpose of this study is to analyze current research trends in the field of cloud security and to derive implications. To this end, R&D project data provided by the National Science and Technology Knowledge Information Service (NTIS) from 2010 to 2023 was utilized to analyze trends in cloud security research. Fifteen core topics in cloud security research were identified using LDA topic modeling and ARIMA time series analysis. Key areas identified in the research include AI-powered security technologies, privacy and data security, and solving security issues in IoT environments. This highlights the need for research to address security threats that may arise due to the proliferation of cloud technologies and the digital transformation of infrastructure. Based on the derived topics, the field of cloud security was divided into four categories to define a technology reference model, which was improved through expert interviews. This study is expected to guide the future direction of cloud security development and provide important guidelines for future research and investment in academia and industry.

• Proceedings of the Korea Water Resources Association Conference
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• 2020.06a
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• pp.372-372
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• 2020

사회가 다원화되고 발달하면서 생활환경과 행동양식에 따라 홍수 등의 수난(水難) 으로 인한 피해 정도와 양상은 크게 달라질 수 있으나, 수난으로 인한 체감 가능한 피해의 정도와 규모는 예측이 어려운 현실이다. 그리고, 최근 인터넷과 소셜 네트워크 서비스(SNS)의 급진적 발달은 재난 관리에 대중적 지식을 수집하여 활용하도록 촉진하고 있고, 이로 인해 재난 상황에서 '대중적인 정보가 기술자에 의해 어떻게 얼마나 신중하게 고려되어야 하는지와 어떻게 과학적으로 해석해야하는지'가 핵심 쟁점으로 부상하고 있다. 본 연구에서는 최근 널리 사용되는 인공지능 및 딥러닝 기법을 조사 분석하였다. 분석을 통해 수문 예측 분야에서 이러한 기술이 적용된 사례와 신기술을 조망해 보고 기존 기술이 인공지능 및 딥러닝 기법의 적용으로 대체 가능한 정도를 가늠해 보았다.

• Journal of the Korean Society for Library and Information Science
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• v.57 no.1
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• pp.69-92
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• 2023

The purpose of the present study is to investigate the quality attributes of archival information service affecting user satisfaction. The independent variables in this study were equality, tangibles(appearance), convenience, responsiveness, empathy. And the dependent variable was a user satisfaction. The survey was conducted by online and offline for 78 people that used the archival information service. To solve the research question, we used the descriptive statistics, correlation analysis, multiple regression analysis. As a correlation analysis result, the quality attributes of archival information service had positive correlation with a user satisfaction. And as a multiple regression analysis result, tangibles(appearance) had a significant effect, followed by empathy and convenience. For improving on quality of archival information service, it is required that improving facilities, keeping environment clean, enhancing empathy ability, updating the information of archive, reforming search tools.

• Information and Communications Magazine
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• v.30 no.12
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• pp.17-24
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• 2013

본고에서는 세계전파통신회의(WRC: World Radio Conference)에서 IMT로 지정된 주파수 현황과 국내 이동통신 주파수 현황 및 계획을 알아본다. 또한 현재 시점에서 데이터 트래픽 증가 추세에 비추어 2020년 Beyond4G(5G)시대를 대비한 ITU(국제전기통신연합) 해당 표준화그룹의 소요량 예측 및 통신방식별 분담 율을 분석하였다. 주파수 수요예측에 따라 WRC-15에서 IMT 추가 주파수 지정 목적으로 진행하고 있는 위성, 방송, 과학 및 고정 등 기존업무와의 공유 연구 진행현황을 주파수 대역별로 살펴본다. 또한 도시 밀집 지역에서 대용량 데이터 전송을 위한 서비스 기술이 중요해진 시점에서 Beyond4G(5G) 시대를 위해 우리나라가 주도하고 있는 6GHz 이상 대역을 IMT로 활용하기 위한 활동을 소개한다. 마지막으로 WRC가 주파수를 분배 할당하는 방식인 '주파수 대역에 서비스 방식 지정'과 달리 '서비스 방식에 의한 주파수 대역 점유(예: LTE 기술표준(PS-LTE)을 PPDR대역에서 활용) 가능성'등 LTE 기술표준의 확산 추세에 대응하기 위해 5G시대에 준비할 사항에 대한 시사점을 언급하였다.