• Title/Summary/Keyword: 유통정의

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Design and Implementation of UHF RFID Reader System Supporting Sensor Data Processing (센서 데이터 처리를 지원하는 UHF RFID 리더 시스템의 설계 및 구현)

  • Shin, Dong-Beom;Lee, Heyung-Sub;Choi, Gil-Young;Kim, Dae-Young
    • The Journal of Korean Institute of Communications and Information Sciences
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    • v.34 no.12A
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    • pp.925-932
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    • 2009
  • Precise temperature monitoring is the major preconditioning to supervise quality losses within the transport chain for fresh products. ISO/IEC18000-6REV1 defines new protocols supporting BAP(Battery Assisted Passive) RFID tag which is completely compatible with EPCglobal Class1 Generation2 specification. In this paper, we designed a modem supporting BAP RFID tag with FPGA(Field Programmable Gate Array) and implemented sensor data processing function defined in ISO/IEC18000-6REV1. The transmit block of the modem supports pulse shaping filter and the output signal of the implemented RFID reader is satisfied with the spectrum mask defined in the standard. The receive block of the modem uses Gardner TED to synchronize timing of symbol. In this paper, we designed a modem supporting ISO/IEC18000-6REV1 standard and developed a RFID reader sndard. The developed RFID reader sndard can recognize sensor tag and passive tag in the wireless environment and supports real-time processing of the sensor data in the embedded linux platform.

Science and Technology Terminology Dictionary Building Process and Workbench Development in Defense Area (국방과학기술 전문용어 사전 구축을 위한 프로세스 및 워크벤치 개발)

  • Choi, Jung-Whoan;Park, Jeong-Ho;Kim, Kyung-Sun;Kim, Pyung
    • The Journal of the Korea Contents Association
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    • v.12 no.8
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    • pp.420-428
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    • 2012
  • To improve the efficiency of business, it is important to standardize the meaning of terminology. And then, terminology dictionaries have been actively being built and used in various fields. In defense area, the publication of defense terminology dictionary is useful for information exchange of each army and distribution of standardized terminology. Defense agency for technology and quality(DTaQ) publishes terminology dictionary of defense science and technology on a three-year cycle. DTaQ tries to standardize the construction process of terminology dictionary and improve service efficiency by using terminology dictionary in defense area. This proposed method is based on the result of previous study about standardization of terminology dictionary. We suggest the practical steps including terminology dictionary constructing process, composition and role of organization, definition of headword, selection of target documents to be extracted terminology candidate, terminology extraction, generation of terminology candidate group, workbench registration, construction and validation of terminology dictionary. Thesaurus and workbench are developed to use and support terminology dictionary effectively.

A Study on GIS based effective management method of river thematic maps (GIS를 이용한 효율적인 하천주제도 관리 방법에 관한 연구)

  • Kwon, Oh-Jun;Kim, Kye-Hyun;Song, Tao
    • 한국공간정보시스템학회:학술대회논문집
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    • 2005.05a
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    • pp.189-194
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    • 2005
  • 현재 국가에서는 하천지도전산화사업 등의 성과물인 하천관련 DB의 활용 극대화를 위해 하천주제도구축사업을 시행중에 있다. 그 결과 요구도 높은 하천주제도의 항목이 결정되었으며, 이를 활용하기 위하여 GIS를 이용한 효율적인 하천주제도 관리 방법의 필요성이 증대되고 있다. 따라서 본 연구에서는 2002년 한국수자원공사의 '하천주제도사업계획수립'에서 정립한 하천주제도 데이터 모델을 활용하여 하천주제도의 효율적인 관리를 위하여 GIS를 활용한 시범 시스템을 개발하였다. 개발방법으로는 설계한 데이터모델을 적용하고, 하천관리지리정보시스템(RIMGIS) 및 향후 유통측면을 고려하였다. 이에 앞서 연구대상지역을 선정하였고, 모델을 기반으로 한 DB의 위하여 기 구축된 DB의 효과적 활용 방안을 제시하였다. 개발된 하천주제도 관리시스템은 하천주제도에 관련된 도형자료를 구축하고, 그에 대한 속성자료를 연계한 시스템 제작을 의미한다. 이를 위해 세부적으로 정의된 주제도를 기 구축된 RIMGIS 도형자료 및 속성자료, 하천정비기본계획, 수자원공사자료, 환경부자료, 건교부 자료, 문화관광부자료 등을 활용하여 하천주제도 관리시스템을 제작하였다. 아울러 하천주제도 구축에 앞서 설계한 하천주제도의 보델을 통하여 하천과 관련된 데이터와 수리 수문 입력변수를 산정하기 위한 전처리 및 후처리 과정이 동일 시스템 내에서 통합처리가 가능할 것이며, 하천에 대한 동적 모델링을 위한 기초 자료의 제공도 가능하리라 본다. 나아가 하천주제도 구축시 간단한 연산기능에서부터 다양한 응용정보를 요구하는 주제도에 대한 효율적인 구축 방안을 제공할 수 있을 것으로 사료된다. 또한 관리시스템을 활용하여 하천주제도의 관리 및 사용이 보다 효율적이며, 하천업무 담당자뿐만 아니라 일반인들의 이해를 돕고, 연구의 성과를 향상시킬 수 있다. 더욱이 이러한 하천주제도 관리시스템의 개발은 타 분야에 구축된 방대한양의 하천 관련 GIS데이터 등의 자료를 연계하여 기 구축데이터의 활용도를 제고할 수 있다.

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A Study on the Reduction of RFID System's Interrogation Range with Respect to Reader Interference (리더 간섭에 의한 RFID 시스템의 인식 거리 감소에 관한 연구)

  • Lee, Yoon-Deock;Kim, Do-Yun;Yoon, Hyun-Goo;Yook, Jong-Gwan;Jang, Byung-Jun
    • The Journal of Korean Institute of Electromagnetic Engineering and Science
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    • v.18 no.7
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    • pp.731-738
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    • 2007
  • Recently UHF RFID system has drawn a great deal of attention because of its potential to revolutionize supply chain management. In this article, RFID reader-to-reader interference is analyzed in terms of interrogation range. For evaluating RFID interference quantitatively, the new figure-of-merit, IRRR, is defined. In order to show the usefulness of IRRR, calculated IRRR is verified by measurement using two RFID readers and a tag in multiple-reader environment. IRRR can be referred to an important design parameter to analyze more complex interfering problems in actual RFID system deployments.

Analysis on The Spatial Distribution of Music Industry Value Chain in Seoul (음악산업의 공간적 분포 연구 -서울시 음악산업 가치사슬을 중심으로-)

  • Hong, Boyeong;Kim, Kyung-min
    • Journal of the Economic Geographical Society of Korea
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    • v.18 no.3
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    • pp.335-347
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    • 2015
  • Music industry is considered as a creative industry, which tends to locate within a city. However, there is very few paper analysing spatial patterns of music industry in Korea. This study aims to understand music industry's value chain and its location pattern; whether it is clustered or dispersed. In detail, music industry contains five sub-industry: planning, manufacturing, distribution, sales and performance. Locational pattern of each sub-industry is tested by GIS and hot spot analysis. There are several findings from this research. First, value chain of music industry make clusters and have a spatial autocorrelation. Second, the result shows that music industry makes a hotspot area at Gangnam, Guro, Mapo and Jongro-Junggu.

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A Basic Study on Building Sports Industrial Clusters Study (스포츠산업 클러스터 조성을 위한 기초 연구)

  • Kang, Seungae;Jun, Sunhye;Kim, Hyuncheol;An, Keunhee;Kang, Sunyoung
    • Convergence Security Journal
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    • v.14 no.3_1
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    • pp.21-26
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    • 2014
  • Sports paradigm shift gave an opportunity to transform into production-oriented industry activities creating high value-added. Sports industrial cluster, organic union of qualitative industries producing and distributing of various sports derivative products, is necessary system in these sports paradigm shift. This study is intended to suggest the definition, construction, and direction for future of sports industrial cluster. In order to ensure the sustainable growth of sports industrial cluster, a growth strategy such as switching to the sementic cluster is needed. And the direction for future of sports industrial cluster were as following; finding the growth engine sports industry field according to the convergence, systematically promoting by setting the medium and long term development goals, constructing a wide industrial region for global competitiveness of sports industry.

Development of a GML 3.0 Encoding System Using Mapping Rules (매핑 규칙을 활용한 GML 3.0 엔코딩 시스템의 개발)

  • Lee, Yong-Soo;Kim, Dong-O;Son, Hoon-Soo;Han, Ki-Joon
    • Journal of Korea Spatial Information System Society
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    • v.5 no.1 s.9
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    • pp.27-38
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    • 2003
  • Recently, because of the extensive use of geographic information in the various fields, the requirement for the easy circulation and utilization of the various geographic information among the individuals, organizations, societies and countries is raised. In order to support the interoperability of the heterogeneous geographic information in the various fields, OGC(Open GIS Consortium) proposed the GML(Geography Markup Language) specification that defines the XML encoding rule about the heterogeneous geographic information. In addition, ISO/TC 211 adopted the GML specification to make it as the international standard. Therefore, in this paper we first analyzed the GML 3.0 specification in detail that can support the interoperability of the heterogeneous geographic information. And then we suggested and applied the mapping rule that define the encoding method to improve the encoding process easily and efficiently. Finally we designed and implemented the GML 3.0 encoding system using the mapping rule to encode the geographic information that was constructed in spatial databases into the GML 3.0 document. Especially, we used ZEUS as a spatial database system to test our encoding system in this paper.

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Rapid Evaluation of Chemical Components of Rice Grain Using Near Infrared Spectroscopy (근적외분광분석법에 의한 미질관련 성분 측정)

  • 황흥구;조래광;손재근;이수관
    • KOREAN JOURNAL OF CROP SCIENCE
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    • v.39 no.1
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    • pp.7-14
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    • 1994
  • This study was conducted to establish the rapid evaluation method of chemical components of rice grain on the basis of non-destructive method. A near-infrared reflectance spectroscopic(NIRS) method was utilized, for the determination of amylose, protein, magnesium, and potassium content of rice. A multiple linear regression analysis for the data obtained by standard laboratory methods and NIRS method was carried out to make a calibration. The standard error of prediction for amylose, protein, magneisum and potassium content were 0.88%, 0.28%, 12.62mg and 10.79mg, respectively. It was concluded that the NlRS method can be useful the rapid determination of amylose, protein, magnesium and potassium content instead of the existing laboratory method.

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Customer participatory design for mass customization(Focused on development of interactive design toolkit) (매스커스터마이제이션을 위한 소비자 참여 디자인 방법(인터랙티브 디자인 툴킷의 개발을 중심으로))

  • 변재형
    • Archives of design research
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    • v.16 no.4
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    • pp.5-14
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    • 2003
  • This study suggest the development and application of the Interactive Design Toolkit as a participatory design method for general customer who are non-expert on design activity to participate in design process of mass customization. In order to let general customers to express their design needs, we have to make a familiar and direct communication method for them. And, customer's design needs should be transformed into digital media. This study define the Interactive Design Toolkit as a design tool for customer participation by direct manipulation of computer system for simulation of design needs by customer themselves. The Interactive Design Toolkit is based on a PC-based image perception system and its application. User can make virtual models in virtual space by manipulating physical objects in real world. And, The toolkit can be used in the field of participatory design for deliverer side customization, especially in system kitchen which is manufactured and distributed in modular system. More improved design toolkit for manipulating 3 dimensional shape is needed for consumer product design and car styling.

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Dynamic User Reliability Evaluation Scheme for Social Network Service (소셜 네트워크 서비스에서의 동적 사용자 신뢰도 평가 스킴)

  • Lee, Changhoon;Jung, Youngman;Jung, Jaewook;Won, Dongho
    • Journal of the Korea Institute of Information Security & Cryptology
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    • v.23 no.2
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    • pp.157-168
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    • 2013
  • The social network service is the bidirectional media that all of the users are be able to directly produce, process, and distribute the information without distinction of the producer and consumer. Over increasing the users rapidly, the users are be able to obtain and share the various information, but the problems occur due to the spread of unreliable information on the service. Moreover, it is spreading the problems violating the privacy and decreasing the reliability of the users by exploiting the open environment. Therefore, sensitive information can be delivered only to users which information producer can trust, and the users should get the information from the trustworthy users. Due to this necessity, it needs the efficient method can evaluates the reliability of the users. In this paper, we define the reliability in the service, make the trust parameter by using the function of the service, and propose the dynamic user reliability evaluation scheme evaluating the reliability of users. We draw the trust range on the reliability of users by analyzing the proposed reliability evaluation scheme.