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http://dx.doi.org/10.3745/KIPSTD.2006.13D.7.985

Location Service Modeling of Distributed GIS for Replication Geospatial Information Object Management  

Jeong, Chang-Won (원광대학교 전기전자 및 정보공학부)
Lee, Won-Jung (군장대학 사회실무학부)
Lee, Jae-Wan (군산대학교 전자정보공학부)
Joo, Su-Chong (원광대학교 전기전자 및 정보공학부)
Abstract
As the internet technologies develop, the geographic information system environment is changing to the web-based service. Since geospatial information of the existing Web-GIS services were developed independently, there is no interoperability to support diverse map formats. In spite of the same geospatial information object it can be used for various proposes that is duplicated in GIS separately. It needs intelligent strategies for optimal replica selection, which is identification of replication geospatial information objects. And for management of replication objects, OMG, GLOBE and GRID computing suggested related frameworks. But these researches are not thorough going enough in case of geospatial information object. This paper presents a model of location service, which is supported for optimal selection among replication and management of replication objects. It is consist of tree main services. The first is binding service which can save names and properties of object defined by users according to service offers and enable clients to search them on the service of offers. The second is location service which can manage location information with contact records. And obtains performance information by the Load Sharing Facility on system independently with contact address. The third is intelligent selection service which can obtain basic/performance information from the binding service/location service and provide both faster access and better performance characteristics by rules as intelligent model based on rough sets. For the validity of location service model, this research presents the processes of location service execution with Graphic User Interface.
Keywords
Distributed Geographic Information System; Geospatial Information Location Service; Replication Object;
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Times Cited By KSCI : 2  (Citation Analysis)
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