• 제목/요약/키워드: science and technology information service

검색결과 2,282건 처리시간 0.031초

시각장애인 정보서비스의 현황과 개선방안 (Improving Information Service for the Visually Handicapped through IT)

  • 강숙희
    • 한국도서관정보학회지
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    • 제32권4호
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    • pp.229-256
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    • 2001
  • 장애인 정보서비스가 활발하지 못한 우리 나라 도서관 현실에서 정보기술의 활용은 그 동안 소외되었던 장애인의 정보요구를 충족시키고 오랫동안 누적되어온 장애인 정보서비스의 문제점을 해소시킬 수 있는 해결방안을 제공할 것이다. 본 연구는 시각장애인을 중심으로 우리 나라 도서관의 정보서비스 현황과 문제점, 정보기술을 활용한 시각장애인 정보서비스의 기술적 기반 및 그 활용사례 등을 고찰하여 우리 나라 시각장애인 정보서비스의 개선방안을 제시하였다.

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QoS and SLA Aware Web Service Composition in Cloud Environment

  • Wang, Dandan;Ding, Hao;Yang, Yang;Mi, Zhenqiang;Liu, Li;Xiong, Zenggang
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • 제10권12호
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    • pp.5231-5248
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    • 2016
  • As a service-oriented paradigm, web service composition has obtained great attention from both academia and industry, especially in the area of cloud service. Nowadays more and more web services providing the same function but different in QoS are available in cloud, so an important mission of service composition strategy is to select the optimal composition solution according to QoS. Furthermore, the selected composition solution should satisfy the service level agreement (SLA) which defines users' request for the performance of composite service, such as price and response time. A composite service is feasible only if its QoS satisfies user's request. In order to obtain composite service with the optimal QoS and avoid SLA violations simultaneously, in this paper we first propose a QoS evaluation method which takes the SLA satisfaction into account. Then we design a service selection algorithm based on our QoS evaluation method. At last, we put forward a parallel running strategy for the proposed selection algorithm. The simulation results show that our approach outperforms existing approaches in terms of solutions' optimality and feasibility. Through our running strategy, the computation time can be reduced to a large extent.

An Evaluation of Applying Knowledge Base to Academic Information Service

  • Lee, Seok-Hyoung;Kim, Hwan-Min;Choe, Ho-Seop
    • International Journal of Knowledge Content Development & Technology
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    • 제3권1호
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    • pp.81-95
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    • 2013
  • Through a series of precise text handling processes, including automatic extraction of information from documents with knowledge from various fields, recognition of entity names, detection of core topics, analysis of the relations between the extracted information and topics, and automatic inference of new knowledge, the most efficient knowledge base of the relevant field is created, and plans to apply these to the information knowledge management and service are the core requirements necessary for intellectualization of information. In this paper, the knowledge base, which is a necessary core resource and comprehensive technology for intellectualization of science and technology information, is described and the usability of academic information services using it is evaluated. The knowledge base proposed in this article is an amalgamation of information expression and knowledge storage, composed of identifying code systems from terms to documents, by integrating terminologies, word intelligent networks, topic networks, classification systems, and authority data.

계산과학공학 플랫폼의 워크벤치 기반 동적 서비스 설계 및 구축에 관한 연구 (A Study on Workbench-based Dynamic Service De-sign and Construction of Computational Science Engineering Platform)

  • 권예진;전인호;마진;이식;조금원;서정현
    • 인터넷정보학회논문지
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    • 제19권3호
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    • pp.57-66
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    • 2018
  • 계산과학공학 소프트웨어 플랫폼인 EDISON( EDucation-research Integration through Simulation On the Net )은 클라우드 컴퓨팅 기반 웹서비스로서, 해석 소프트웨어를 이용한 웹 기반 시뮬레이션 서비스이다. EDISON에서는 사용자의 로컬 자원으로는 해석이 어렵거나 불가능한 계산과학공학 해석 문제를 웹 서비스를 통해 사용자에게 제공하며 미리 구축되어 있는 인프라 및 다양한 계산 노드를 통해 사용자에게 해석 결과를 제공한다. 그 결과로 사용자의 디바이스, 운영체제에 관계 없이 EDISON에 접근하여 계산과학 공학 해석 시뮬레이션을 수행할 수 있도록 웹 포털 환경에서 시뮬레이션 실행 환경을 제공한다. 본 연구의 목적은 현재 사용자에게 제공되고 있는 계산과학 공학 시뮬레이션 및 해석 결과 분석 플랫폼인 EDSION 시스템에 통합적인 유저 인터페이스를 제공하기 위한 워크벤치 기반 실시간 동적 서비스 설계 및 구축에 있다. 또한 로컬에서 사용하는 계산과학공학 시뮬레이션 소프트웨어 환경과 유사한 사용자 유저 인터페이스를 가지며 다양한 해석기와 전처리기, 해석 시뮬레이션 소프트웨어 등의 동적인 웹 환경을 구성할 수 있는 워크벤치 기반 사용자 시뮬레이션 서비스 환경 구성에 대해 고안하였다. 이러한 웹 서비스를 제공하기 위해 사용자에게 필요한 서비스를 포틀릿 단위로 구성하였으며, 그 결과로 워크벤치를 이용한 시뮬레이션 서비스를 구축하였다.

SD-ICN: Toward Wide Area Deployable Software Defined Information Centric Networking

  • Xing, Changyou;Ding, Ke;Hu, Chao;Chen, Ming;Xu, Bo
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • 제10권5호
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    • pp.2267-2285
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    • 2016
  • Information Centric Networking that uses content name instead of IP address as routing identifier can handle challenges such as traffic explosion and user mobility, but it also suffers from scalability and incompatibility problems. In this paper by combining the concept of software defined networking and Internet end to end arguments, we propose a wide area deployable software defined information centric networking service model named SD-ICN. SD-ICN employs a dual space structure that separates edge service network and core transmission network. The enhanced SDN techniques are used in edge service network in order to implement intelligent data routing and caching, while traditional IP technique is reserved in core transmission network so as to provide wide area high speed data transmission. Besides, a distributed name resolution system based on the cooperation of different controllers is also presented. The prototype experiments in our campus network show that SD-ICN can be deployed in a scalable and incremental way with no modification of the core network, and can support typical communication modes such as multicast, mobility, multihoming, load balancing, and multipath data transmission effectively.

서비스 지향 아키텍처 시스템을 위한 동적 역할 기반 서비스 할당에 관한 연구 (A Study on Dynamic Role-based Service Allocation for Service Oriented Architecture System)

  • 박용범;권예진
    • 반도체디스플레이기술학회지
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    • 제17권1호
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    • pp.12-20
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    • 2018
  • Recently, web-based service software has been used as to combine various information or to share information according to the needs of users and the convergence of specialized fields and individual dependent systems. According to the necessity of the user, the proper service environment and the selective service environment according to the purpose and the needs of the user have been studied in a variety of specialized and combined professional research fields and industries. Software based on cloud systems and web services is being used as a tool for appropriate group and user groups and roles. A service system combined dynamically needs a module to manage a user through internal logic and grant a service access authentication. Therefore, it has been considered various approaches that a user who accesses the system is given a service access authority for a certain period of time. Also, when the deadline is over, the authority that you are given to access system will go through the process of expire the right. In this paper, we define the roles of users who access web services, manage user rights according to each role, and provide appropriate service resources to users according to their rights and session information. We analyzed the procedure of constructing the algorithm for the service according to the procedure of each user accessing the web service, granting the service resource and constructing a new role.

R&D Trends Monitoring through Scanning Public R&D Investments: The Case of Information & Communication Technology (ICT) in Meteorology and Climatology

  • Heo, Yoseob;Kim, Hyunwoo;Kim, Jungjoon;Kang, Jongseok
    • Asian Journal of Innovation and Policy
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    • 제5권3호
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    • pp.315-329
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    • 2016
  • Public R&D investment information has diverse implications for researching R&D trends. Also, as it is important for the establishment of R&D policy to grasp the current situation and trends of R&D to improve science and technology level, science and technology information service system, such as NTIS (National Science & Technology Information Service), is operated at a national level in most countries. However, since the data forms provided by current NTIS are raw data, it is necessary to develop the R&D performance indicator or to use additional scientometric methods by analyzing scientific papers or scientific R&D project information for grasping R&D trends or analyzing R&D task results. Thus, this study applied public R&D investment information to investigate and monitor R&D trends in the field of information & communication technology (ICT) of meteorology and climatology by using NTIS data of Korea and NSF (National Science Foundation) data of USA.

정보기술시스템이 지식경영활동에 미치는 효과 및 업종에 따른 조절효과 (The effect of information technology system on knowledge management activities and moderating effect of industrial type)

  • 안관영
    • 대한안전경영과학회지
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    • 제14권3호
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    • pp.237-243
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    • 2012
  • This paper reviewed the relationship between information technology system and knowledge management activities, and the moderating effect of industrial type. The results of multiple regression analysis, based on the responses from 219 employees in manufacturing and financing service sector, showed that information technology infrastructure and information technology usage have positive effects on knowledge acquisition, knowledge transfer, and knowledge usage. In moderating effects, information technology infrastructure more positively related with knowledge acquisition in financing service sector than in manufacturing sector. And also information technology usage more positively related with knowledge transfer in financing service sector than in manufacturing sector.

A Study on the Development of Curriculum Track for Civil Service Librarian

  • Noh, Younghee
    • International Journal of Knowledge Content Development & Technology
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    • 제3권1호
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    • pp.31-63
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    • 2013
  • The goal of this study is to improve the competitiveness of professional librarians in society. To this end, we analyzed domestic and international LIS curriculum, determined demand from field librarians through a survey, carried out job analysis by library types, and developed an operating model for LIS curriculum by synthesizing all of these results. Finally, we suggested a course of study for civil service librarians based on this model. As a result, the six required courses for civil service librarians are: Introduction to Library and Information Science, Information Organization, Information Services (Reference and Information Services), Library Management, Information Retrieval, and Field Work. The four core courses for the civil service concentration are: Collection Development, Information Sources by Subjects, Public Library Management, and Digital Libraries. Suggested electives best suited to this career path include Using Web Resources, Information Literacy, Information Services in Culturally Diverse Communities, Library Marketing, Libraries and Cultural Programs, Reading Guidance, Library History, Small Library Management, Studies in Library Buildings, Library Cooperation, Managing Digital Collections, and Information and Communication in a Digital Age.

A Study on the Measure for Improving the Website of ScienceON

  • Younghee Noh
    • International Journal of Knowledge Content Development & Technology
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    • 제14권3호
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    • pp.93-113
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    • 2024
  • This study was conducted for the purpose of deriving the existing ScienceON elements and reorganizing them to increase user convenience and utilization. Towards this end, implications were derived by analyzing the current status of the ScienceON's website, case studies and analysis of major similar institution websites, and user satisfaction surveys. Based on the derived contents, key terms were analyzed and redefined, the menu system was reorganized, and the menu names were redefined, and the menu system was reorganized to match the direction and identity of the redefined ScienceON. The study results based on such are as follows. First, the ScienceON's brand selection criteria and direction were based on service sustainability, service inclusiveness, recognition of portal characteristics, user friendliness and intuitiveness. Considering the meaning of branding, branding strategy, and selection criteria for ScienceON branding, ScienceON, Ontong ScienceON, ScienceONPlatform, science information portal, ScienceON, Mecca of science and technology information, and 5 brand names such as ScienceON were proposed. Second, to improve accessibility, usability, and satisfaction, it would be necessary to redefine current terms. Towards this end, it would be necessary to change the terminology of knowledge infrastructure search and to unify and organize the terminology. Third, in the current menu, the services provided as analysis services and curation services are organized in the beta service menu, and data such as papers, patents, reports, and trends are also serviced only through integrated search, and hence, each data type and service type classification must be improved.