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Metadata Management System for XML-based Digital Broadcasting  

Park Jong-Hyun (충남대학교 컴퓨터과학과)
Kim Byung-Kyu (한국과학기술정보연구원 지식정보센터)
Lee Young-Hee (한국전자통신연구원 디지털홈연구단)
Lee Min-Woo (한전 KDN 발전사업팀)
Jung Min-Ok ((주)한글과 컴퓨터 XML 기술팀)
Kang Ji-Hoon (충남대학교 전기정보통신공학부)
Publication Information
Journal of KIISE:Computing Practices and Letters / v.11, no.4, 2005 , pp. 334-348 More about this Journal
Abstract
The goal of next generation digital broadcasting is offering the interaction among consumers and providers as well as variety services. One of the important factors for this new broadcasting environment keeps the interoperability among providers and consumers since the environment is distributed. Therefore a standard metadata for digital broadcasting is required and TV-Anytime metadata is one of the metadata standards for digital broadcasting. The terminal nodes of TV-Anytime metadata are defined by using MPEG-7 metadata. MPEG-7 metadata is standard metadata for describing multimedia content. Therefore, if we use the MPEG-7 metadata for describing broadcasting content can offer multimedia search services like content-based search by the extension of metadata. The efficient management system for these metadata is important for offering the services with high Duality on real broadcasting environment TV-Anytime metadata and MPEG-7 metadata are technically defined using a single XML schema, so its instances are XML data. Currently, a lot of systemsfor managing XML data are proposed in many researchers and we can expect to adapt these systems for managing broadcasting metadata. But the methods used in these systems are not specific methods for managing broadcasting metadata because of methods for general-purpose. In this paper, we find the properties of broadcasting metadata and develop an efficient metadata management system that is based on the found properties. Since our systemis implemented on real broadcasting environment, we expect that the system is most efficient and suitable. Also our system is interoperable since we use XQuery as query language for querying broadcasting metadata.
Keywords
TV-Anytime; MPEG-7; XQuery; XML Management System; Digital broadcasting system;
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