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http://dx.doi.org/10.7780/kjrs.2010.26.5.549

Program Development for Automatic Extraction and Transformation of Standard Metadata of Geo-spatial Data  

Han, Sun-Mook (Dept. of Information Systems Engineering, Hansung University)
Lee, Ki-Won (Dept. of Information Systems Engineering, Hansung University)
Publication Information
Korean Journal of Remote Sensing / v.26, no.5, 2010 , pp. 549-559 More about this Journal
Abstract
In geo-spatial information system building and operation, metadata is one of the crucial factors. Therefore, international and domestic organizations or associations for standardization have developed and distributed geo-based standard metadata to meet public demands. However, because metadata is composed of complicated elements and needs XML storage and management, individual organization which implement and operate practical application system is inclined to define and use its own metadata specifications. In this study, metadata extraction program, that metadata elements are directly extracted from geo-based file formats was developed to easily utilize standard metadata such as ISO/TC 19115, TTAS.KO-10.0139 and TTAS.IS-19115, and those elements are processed into XML. Furthermore, geo-based images sets are applied to another metadata of ISO/TC 19115-2. As well, metadata transformation is needed due to inconsistent or non-corresponding definition among standard metadata; in this program, transformation modules are also implemented to interoperable uses between standard metadata specifications. Widely used data formats are dealt with in this program, but extension for other formats and other metadata specifications is possible, and it is expected that availability of standard metadata is increased, through this kind of development.
Keywords
ISO/TC 19115; TTA Standard metadata; Extraction; Transformation; Geo-based images;
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Times Cited By KSCI : 6  (Citation Analysis)
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