Abstract
XML은 계층적이고 스스로 기술하는 구조를 가지는 데이터를 표현하기에 좋지만 XML 자체는 시맨틱을 가지고 있지 않다. 하지만 XML이 널리 새로운 응용에서 사용됨에 따라 XML 시맨틱이 필요하게 되었다. 이 논문은 XML 데이터 처리 환경에서 시맨틱을 조사하였다. XML 시맨틱은 사용 용도에 따라 구조적 시맨틱, 관계 시맨틱, 확장 시맨틱과 시맨틱 웹으로 분류할 수 있다. 그리고 질의 처리와 같이 XML 문서 관리에서 활용하기 위해 확장된 관계 시맨틱을 제안한다. XML is good at representing data with hierarchical and self-describing structure. There is no inherent semantics with XML. However, semantics of XML has come up with us as XML is used in wide and advanced applications. This paper surveyed semantics in XML data processing environment. XML semantics can be categorized into four groups according to its usage; structural semantics, relational semantics, extended semantics, and semantic web. Relational database is still a good alternative for storing and managing large volume of XML documents. We propose an extended relational semantics in order to exploit it in managing XML documents such as query processing.
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