최근 이미지가 가지는 의미적 정보를 온톨로지로 어노테이션한 후 이미지를 분류하고 검색하는 방법들이 제안되고 있다. 하지만 이미지 검색이 어노테이션된 데이터에 SPARQL 질의를 통해 이루어지기 때문에 질의 결과와 일치하는 이미지들만 검색이 된다. 본 논문에서는 기존의 의미 기반 질의 방식이 아닌 이미지에 어노테이션된 온톨로지를 이용하여 유사 이미지를 검색하는 시스템을 제안한다. 설계된 시스템은 이미지가 가지는 태그 정보를 RDF 온톨로지로 확장하는 기존 연구에 추가적으로 온톨로지 유사 매칭 알고리즘을 사용하여 사용자가 원하는 유사 이미지를 검색할 수 있도록 한다.
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