본 논문에서는 인터넷 멀티미디어 문서 DBMS인 바다-IV 시스템을 소개한다. 인터넷에 기반한 여러 멀티미디어 응용들에서 요구하는 기능들을 충족시키기 위해 바다-IV 시스템은 통합 정보 검색 프레임워크를 제공하고, 이를 기반으로 다양한 미디어 타입을 처리하는 여러 멀티미디어 응용을 시스템에 쉽고 역동적으로 통합할 수 있다. 그리고 이러한 통합 검색 프레임워크를 기반으로 전문 정보 검색, XML 문서 관리와 문서 구조 및 내용 검색 그 리고 이미지 자료 관리와 다양한 내용기반 검색 기능을 제공한다.
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