• Title/Summary/Keyword: global schema

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Schema Conflict Resolution Method on Content Integration Management System (컨텐츠 통합 관리 시스템에서의 스키마 충돌 해결 방안)

  • Lee Jung-hwa;Kwon Oh-jun
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.9 no.5
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    • pp.1132-1141
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    • 2005
  • We must have a schema conflict resolution method for integrating local schema on content integration and management system. But The Past method is inconsistent and depends on local and global databases. In this paper, we propose the management method of schema confilct using XML that can represent and interchange the structual information of schema.

Optimal Design of a 2-Layer Fuzzy Controller Using the Schema Co-Evolutionary Algorithm

  • Byun, Kwang-Sub;Sim, Kwee-Bo
    • International Journal of Fuzzy Logic and Intelligent Systems
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    • v.4 no.3
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    • pp.341-346
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    • 2004
  • Nowadays, versatile robots are developed around the world. Novel algorithms are needed for controlling such robots. A 2-Layer fuzzy controller can deal with many inputs as well as many outputs, and its overall structure is much simpler than that of a general fuzzy controller. The main problem encountered in fuzzy control is the design of the fuzzy controller. In this paper, the fuzzy controller is designed by the schema co-evolutionary algorithm. This algorithm can quickly and easily find a global solution. Therefore, the schema co-evolutionary algorithm is used to design a 2-layer fuzzy controller in this study. We apply it to a mobile robot and verify the efficacy of the 2-layer fuzzy controller and the schema co-evolutionary algorithm through the experiments.

Management of Schema Conflict on Content Integration and Mangement System (컨텐츠 통합 관리 시스템에서의 스키마 충돌 처리)

  • 이중화;문경희;윤흥원
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2004.05b
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    • pp.370-373
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    • 2004
  • We must have management method of schema conflict for integrating local schema on content integration and management system. But The past method is inconsistent and depends on local and global databases. In this paper, we propose the management method of schema confilct using XML that can represent and interchange the structual information of schema

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A study on the adaptive query conversion using TMDR-based global query (TMDR 기반의 글로벌 쿼리를 이용한 적응적 쿼리 변환에 관한 연구)

  • Hwang, Chi-Gon;Shin, Hyo-Young;Jung, Kye-Dong
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2012.10a
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    • pp.966-969
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    • 2012
  • This study suggests a query conversion method based on Topic Maps MetaData Registry(TMDR) in order to solve heterogeneity problems distributed in networks and to integrate data efficiently. In order to integrate distributed data, TMDR provides global schema and it solves heterogeneity problem within local data using query conversion method. After analyzing relationship between Meta Schema Ontology(MSO) of eXtended Meta Data Registry(XMDR) and Topic Maps, this method allows integrated access through Meta Location(ML) which manages accessing information of local data. The processing method is to produce a global query for global processing by using TMDR and then to make the produced global query approach to systems distributed through networks so that allows integrated access at the end. For this, we propose a method to convert a global query into a query which is adaptive to local query.

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The Design and Implementation of an Available Bandwidth Measurement Scheme in the K*Grid System

  • Hahm, Seong-Il;Cho, Seong-Ho;Choi, Han;Kim, Chong-Kwon;Lee, Pill-Woo
    • Journal of Information Processing Systems
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    • v.2 no.2
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    • pp.101-106
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    • 2006
  • Grid computing is an emerging technology that enables global resource sharing. In Korea, the $K^*$Grid provides an extremely powerful research environment to both industries and academia. As part of the $K^*$Grid project, we have constructed, together with the Korea Institute of Science and Technology Information and a number of domestic universities, a supercomputer Grid test bed which connects several types of supercomputers based on the globus toolkit. To achieve efficient networking in this Grid testbed, we propose a novel method of available bandwidth measurement, called Decoupled Capacity measurement with Initial Gap (DCIG), using packet trains. DCIG can improve the network efficiency by selecting the best path among several candidates. Simulation results show that DCIG outperforms previous work in terms of accuracy and the required measurement time. We also define a new XML schema for DCIG request/response based on the schema defined by the Global Grid Forum (GGF) Network Measurement Working Group (NM-WG).

Control of metadata schema conflicts for internet datawarehouse (인터넷 데이터웨어하우스 구축을 위한 메타데이터 스키마 충돌 제어)

  • Kim, Byung-Gon
    • Journal of Digital Contents Society
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    • v.8 no.4
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    • pp.499-507
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    • 2007
  • With the increasing of users' request about internet web service, importance of Internet datawarehouse to support decision making of users is increasing now. Early Internet datawarehouse was studied in the form of using existent database and XML. However, because of limitation of information expression ability, it is gradually changed to system that use metadata schema like RDFS. Because of distributed environment of the Internet, integration and saving of each metadata schemas into one global schema is important. However, between each different schema, semantic and structural conflicts can be happen in such situation and they must be controlled. In this paper, we analyze occasions of conflict when integrate distributed metadata schemas and propose conflict resolution technique for efficient internet datawarehouse query processing.

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Mobile Cloud System based on EMRA for Inbody Data

  • Lee, Jong-Sub;Moon, Seok-Jae
    • International Journal of Advanced Culture Technology
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    • v.9 no.3
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    • pp.327-333
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    • 2021
  • Inbody is a tool for measuring health information with high reliability and accuracy to analyze body composition. Unlike the existing method of storing/processing and outputting data on the server side, the health information generated by InBody requires accurate support for health sharing and data analysis services using mobile devices. However, in the process of transmitting body composition measurement information to a mobile service, a problem may occur in data transmission/reception processing. The reason for this is that, since the network network in the cloud environment is used, if the connection is cut off or the connection is changed, it is necessary to provide a global service, not a temporary area, focusing on the mobility of InBody information. In addition, since InBody information is transmitted to mobile devices, a standard schema should be defined in the mobile cloud environment to enable information transfer between standardized InBody data and mobile devices. We propose a mobile cloud system using EMRA(Extended Metadata Registry Access) in which a mobile device processes and transmits body data generated in the inbody and manages the data of each local organization with a standard schema. The proposed system processes the data generated in InBody and converts it into a standard schema using EMRA so that standardized data can be transmitted. In addition, even when the mobile device moves through the area, the coordinator subsystem is in charge of providing access services. In addition, EMRA is applied to the collision problem due to schema heterogeneity occurring in the process of accessing data generated in InBody.

Development of STEP-Based Standard Processing Model for Steel Structural Design (철골구조물의 구조설계를 위한 STEP기반의 규준처리모델 개발)

  • 김이두;신상호
    • Proceedings of the Computational Structural Engineering Institute Conference
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    • 2003.10a
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    • pp.89-96
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    • 2003
  • This research presents a methodology for processing design provisions by representing the provisions and also by checking the conformance of design entities with the provisions via STEP information technology, which is considered as a canonical component for implementing CALS. The provisions of standards are represented in the .form of EXPRESS schema including various entities, algorithms, global rules, and local rules, while the schema are managed on EXPRESS engine called EXPRESSO.

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XML Global Schema Generation Model of XML Documents Considering Conflicts on Local Schema Integration (지역 스키마간 충돌 문제를 고려한 XML 문서의 전역 스키마 생성 모델)

  • 김정희;곽호영
    • Proceedings of the Korean Information Science Society Conference
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    • 2002.10c
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    • pp.70-72
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    • 2002
  • 본 논문에서는 분산된 XML 문서를 수집 처리하여 상호 제공하는 과정에서 활용될 통합된 XML 문서의 전역 스키마를 생성하는 시스템을 제안한다. 제안된 시스템에서는 분산 환경에 존재하는 개별적인 XML 문서들에 대한 지역 스키마 정보를 관계형 데이터베이스로 구축하고, 통합된 XML 문서의 데이터를 기반으로 각각의 지역 스키마 데이터베이스를 검색한 후 데이터에 적합한 스키마 정의를 추출하게 된다. 또한 추출과정에서 중복 정의에 의한 충돌 범주를 분석하고, 이를 해결하는 방법도 제시하였다. 시스템 모델링 결과 XML 문서의 구조와 검증을 명확하게 보장하는 통합된 XHL 문서의 전역 스키마 생성과 지역 스키마간 발생되는 충돌문제 해결이 가능함을 알 수 있었다.

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Design and Implementation of a Component and Context based Business Message for Creating a Single Global Electronic Market (단일 글로벌 전자상거래 시장을 만들기 위한 컴포넌트와 컨텍스트 기탄의 전자문서 설계 및 구현)

  • 김완평
    • Journal of Information Technology Applications and Management
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    • v.9 no.3
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    • pp.13-30
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    • 2002
  • ebXML (Electronic Business using extensible Markup language), sponsored by UN/CEFACT and OASIS, is a modular suite of specifications that enables enterprises of any size and in any geographical location to conduct business over the Internet. Using ebXML, companies now have a standard method to exchange business messages, conduct trading relationships, communicate data In common terms and define and resistor business processes. It is the mission of ebXML that provides an open XML-based infrastructure enabling the global use of electronic business information in an interoperable, secure and consistent manner by all parties for creating a single e1ectronic electronic market. This paper briefly overviews the concept of core component, context, assembly rule and context rule. Then, It designs by standard specifications of ebXML core component commonly used in an industry and among industries, and assembles business messages by using XML schema. Therefore, it suggests the mechanism which effectively exchanges business messages among the trading partners. This paper designs core component by using only three business messages of retail industry : orders, dispatch report, sales report.

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