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A Design of the Ontology for Enhanced Semantic Retrieval of Multimedia Contents

멀티미디어 콘텐츠의 강화된 의미 검색을 위한 온톨로지 설계

  • 김선경 (홍익대학교 일반대학원 컴퓨터공학과) ;
  • 신판섭 (대진대학교 컴퓨터공학과) ;
  • 임해철 (홍익대학교 컴퓨터공학과)
  • Received : 2011.08.11
  • Accepted : 2011.12.01
  • Published : 2012.02.29

Abstract

In recent Information Environment, various Multimedia contents are getting noticed. But, since these contents have various formats of representation and very wide range of information, it was difficult to retrieve contents that user wanted and to utilize it. To solve these problems, many studies presented draft standards for adding metadata to contents, and then, semantic search for contents had become available. Unfortunately, as the number of metadata standards and contents increased, the lack of interoperability between contents was begun and users are faced with difficulty of search contents again. To improve these problems, this paper supports interoperability between metadata standards and expands the semantic relationship between elements and proposes an ontology which is named TOFIC(The Ontology For Imagery Contents) for enhanced semantic search. In TOFIC, the semantic relationships between MPEG-7 and TV-Anytime are classified, and extended new semantics are defined. As a result, semantic search for multimedia contents is enhanced and it is possible to retrieve most of the multimedia contents that exist on the current information environment consistently. In addition, it supports enhanced content-based search for multimedia contents.

최근 정보 환경에서는 다양한 멀티미디어 콘텐츠가 주목받고 있다. 그러나 이러한 콘텐츠는 표현 형식과 내용이 방대하여 사용자가 원하는 콘텐츠를 쉽게 검색하고 활용하기가 어려웠다. 이를 해결하기 위해, 그동안 많은 연구들이 콘텐츠에 메타데이터를 추가하는 표준안을 제시하였고, 이로 인해 콘텐츠에 대한 의미 검색이 가능해졌다. 그러나 여러 가지 메타데이터 표준과 이를 따라 명세된 콘텐츠가 증가하면서 콘텐츠 간 상호운용성이 결여되기 시작했고, 사용자는 다시 검색의 어려움에 직면하게 되었다. 이러한 문제점을 개선하기 위해, 본 연구에서는 메타데이터 표준간의 상호운용성을 지원하고, 이를 구성하는 엘리먼트와 엘리먼트 사이에 표현된 의미 관계를 확장하여 시맨틱 검색이 강화된 TOFIC(The Ontology For Imagery Contents)을 제안한다. TOFIC에서는, MPEG-7과 TV-Anytime 표준 간 의미 관계를 분류하고 확장된 시맨틱을 정의하여 현재 정보 환경에 존재하는 멀티미디어 콘텐츠에 대한 일관된 의미 검색과 강화된 내용-기반 검색을 지원한다.

Keywords

References

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Cited by

  1. The Multimedia Contents Search System based on Ontology vol.17, pp.6, 2013, https://doi.org/10.6109/jkiice.2013.17.6.1354