• 제목/요약/키워드: data system

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항해지원 해양환경정보 시스템의 설계 (Design of a Marine Environmental Information System for Navigation)

  • 홍기용;강현선;전동욱;임용곤
    • 한국정보통신학회:학술대회논문집
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    • 한국해양정보통신학회 2001년도 추계종합학술대회
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    • pp.761-764
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    • 2001
  • 대양을 운항하는 선박에 해양환경정보를 제공하기 위한 MEIS(Marine Environmental Information System)의 개념설계를 수행하였다. MEIS는 해양환경 원시정보의 원격 취득시스템과 이를 가공하여 선박운항에 유용한 정보를 추출하는 처리시스템으로 구성되며, 정보의 전송을 위해 위성통신을 이용한다. 취득시스템 효율성은 활용하는 원격 해양정보의 양과 시간적 신속성에 좌우되며, 처리시스템의 효율성은 환경정보 해석기술의 다양성과 우수성에 의해 결정된다.

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데이터베이스를 이용한 통합제어시스템 용(用) 공정 데이터 관리 시스템 (Data management system for integrated control system)

  • 신경봉;허우정;김문철;김응석;김왕길;황진식
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 1996년도 하계학술대회 논문집 B
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    • pp.1260-1262
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    • 1996
  • There has been much interested on the issues of designing and implementing the data acquisition and display system. This paper describes how to acquire and manage the data to be generated from sensor sources in a manufacturing process. The functionality of this data management system is composed of data acquisition, database management, processing and display of the available data. Also, this system has a adaptability to be carried throughout configuration management.

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Design and Adaptation for Internet News Data Extraction Middleware(INDEM) System

  • Sun, Bok-Keun
    • 한국컴퓨터정보학회논문지
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    • 제21권4호
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    • pp.55-62
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    • 2016
  • In this paper, we propose the INDEM(Internet News Data Extraction Middleware) system for the removal of the unnecessary data in internet news. Although data on the internet can be used in various fields such as source of data of IR(Information Retrieval), Data mining and knowledge information service, it contains a lot of unnecessary information. The removal of the unnecessary data is a problem to be solved prior to the study of the knowledge-based information service that is based on the data of the web page. The INDEM system parses html and explores the XPath, and it is to perform the analysis. The user simply utilize INDEM by implementing an abstract class that provides INDEM, and can obtain the analysis information. INDEM System through this process delivers the analysis information including the main contents of news site to the users. In this paper, the INDEM system was adapted in a stand-alone and web service system and it was evaluated on the basis of 16 news site. As a result, performance of the INDEM system is affected in html source data size and complexity of used html grammar than the main news data size.

우주환경 지상관측기 자료통합시스템 개발 (DEVELOPMENT OF DATA INTEGRATION SYSTEM FOR GROUND-BASED SPACE WEATHER OBSERVATIONAL FACILITIES)

  • 백지혜;최성환;이재진;김연한;봉수찬;박영득;곽영실;조경석;황정아;장비호;양태용;황은미;박성홍;박종엽
    • 천문학논총
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    • 제28권3호
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    • pp.65-73
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    • 2013
  • We have developed a data integration system for ground-based space weather facilities in Korea Astronomy and Space Science Institute (KASI). The data integration system is necessary to analyze and use ground-based space weather data efficiently, and consists of a server system and data monitoring systems. The server system consists of servers such as data acquisition server or web server, and storage. The data monitoring systems include data collecting and processing applications and data display monitors. With the data integration system we operate the Space Weather Monitoring Lab (SWML) where real-time space weather data are displayed and our ground-based observing facilities are monitored. We expect that this data integration system will be used for the highly efficient processing and analysis of the current and future space weather data at KASI.

Reliability Estimation in Bivariate Pareto Model with Bivariate Type I Censored Data

  • Cho, Jang-Sik;Cho, Kil-Ho;Kang, Sang-Gil
    • Journal of the Korean Data and Information Science Society
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    • 제14권4호
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    • pp.837-844
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    • 2003
  • In this paper, we obtain the estimator of system reliability for the bivariate Pareto model with bivariate type 1 censored data. We obtain the estimators and approximated confidence intervals of the reliability for the parallel system based on likelihood function and the relative frequency, respectively. Also we present a numerical example by giving a data set which is generated by computer.

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Development of Ship Data Acquisition Embedded System

  • Yeo, Ng Yin;Park, Soo-Hong
    • Journal of information and communication convergence engineering
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    • 제8권5호
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    • pp.528-533
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    • 2010
  • This research is part of the development of Data Acquisition embedded system that specifically use in ship. The purpose of this data acquisition system mainly is to acquire data from multiple sensors or others related external devices and it will further discuss in this paper. The data collecting, hardware design, software design and the final project outcome of this data acquisition system will be discussed in this paper.

철도차량 모니터 장치의 지상장치 최적화 기법에 관한 연구 (Study for Optimized Depot System of Train Monitoring System)

  • 주해진;한정수;박성호;홍구선
    • 한국철도학회:학술대회논문집
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    • 한국철도학회 2002년도 추계학술대회 논문집(I)
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    • pp.497-502
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    • 2002
  • TGIS(Train General Information System) is monitoring Train status and analyzing fault happened. TGIS informed a lot of Passenger data, Driving data, Status data and Fault data to 'Depot'. For dealing them more properly, TGIS need specified data and specialized data handling method. This paper suggest Optimize data of Train Monitoring System and Apply that to Main Line Car.

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우주발사 시스템 개발을 위한 통합 기술관리 시스템 소개 (Introduction of Program Life-Cycle Management System for Space Launch System Development)

  • 조미옥;조철훈;이준호;오범석;박정주;조광래
    • 시스템엔지니어링워크숍
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    • 통권4호
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    • pp.86-89
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    • 2004
  • A web-based program life-cycle management(PLM) system is introduced to implement the system engineering processes and to provide the development teaceability online. This information system aims for the realization of essential system engineering management techniques currently applied to the space launch system development program including management of configuration and data based on the work breakdown structure(WBS), WBS, bill of materials and properties. The system enhances communication and gives access to the development data with relevant information such as data-to-data relation and approval status/history through the web, and preserve all of the development data throughout the program life-cycle. Further improvement of the system is planned to implement the program managrment pricesses and to provide integrated information useful for the programmatic decision making.

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우주 발사 시스템 개발을 위한 통합 기술관리 시스템 소개 (Introduction of Program Life-Cycle Management System for Space Launch System Development)

  • 조미옥;신명호
    • 시스템엔지니어링학술지
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    • 제2권1호
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    • pp.48-53
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    • 2006
  • A web-based program life-cycle management(PLM) system is introduced to implement the system engineering processes and to provide the development traceability online. This information system aims for the realization of essential system engineering management techniques currently applied to the space launch system development program including management of configuration and data based on the work breakdown structure(WBS), WBS, bill of materials and mass properties. The system enhances communication and gives access to the development data with relevant information such as data-to-data relation and approval status/history through the web, and preserve all of the development data throughout the program life-cycle. Further improvement of the system is planned to implement the program management processes and co provide integrated information useful for the programmatic decision making.

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EES 프레임워크를 위한 하이브리드 생산설비 데이터 습득 시스템(HEDAS)의 설계 및 구현 (Design and Implementation of a Hybrid Equipment Data Acquisition System(HEDAS) for Equipment Engineering System(EES) Framework)

  • 김경배
    • 한국컴퓨터정보학회논문지
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    • 제17권2호
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    • pp.167-176
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    • 2012
  • 본 논문은 장비엔지니어링 시스템(EES) 프레임워크에서 반도체와 광전자 제조장비를 위한 새로운 하이브리드 생산설비데이터 습득 시스템을 설계하고 구현한다. 장비엔지니어링 분야에서 장비로부터 수집되는 데이터 량이 급격히 증가하고 있다. 제안된 HEDAS(Hybrid Equipment Data Acquisition System)는 EES 프레임워크에서 발생하는 대용량의 실시간 데이터를 효율적으로 처리한다. 또한, 제안된 시스템은 실시간 EES 응용 뿐만 아니라 비실시간 EES 응용을 지원할 수 있다. 실시간 EES 응용을 위해서 HEDAS는 메모리 기반의 연속질의와 필터링 기술을 이용하여 고속의 실시간 처리를 수행한다. HEADS는 비 실시간 장비 데이터를 HEADS 기반의 데이터베이스 또는 기존의 데이터베이스에 선택적으로 저장할 수 있다. 특히, 급격하게 증가하는 장비 데이터에 대해 디스크 저장 비용을 절감하기 위해 타임스템프 기반의 압축 인덱싱과 질의처리 기법을 제공한다. HEDAS는 EES 프레임워크에서 대용량의 실시간 및 비 실시간 장비 데이터를 수집하여 다양한 EES 응용에 수집된 데이터를 전송할 수 있는 효율적인 시스템이다.