The KIPS Transactions:PartB (정보처리학회논문지B)

Korea Information Processing Society (한국정보처리학회)
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Design and Implementation of the Semantic Query Adapter(SQA) in the Semantic Web Service Environment

시맨틱 웹 서비스 환경에서 시맨틱 질의 어댑터의 설계 및 구현

  • 조명현 (한양대학교 컴퓨터공학과) ;
  • 손진현 (한양대학교 컴퓨터공학과)
  • Published : 2005.04.01
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Abstract

The Semantic Web Services is a next-generation Web technology that supports Web services, based on the semantic Web technologies. Until now, the researches on semantic Web services may be foiled on the semantic Web document management and the inference engine to efficiently process the semantic Queries. However, in order to realize the principle semantic Web environment it is necessary to provide a semantic query interface though which users and/or agents can efficiently request semantic information. In this regard, we propose the Semantic Query Adapter(SQA) to provide a high query transparency with users, especially when querying about a complex semantic information. We first design the procedural user query interface based on a graphic view, by analyzing DAML-S Profile documents. And then, we builds a module which a user input query transforms its corresponding RDQL. We also propose the multiple semantic query generating procedure as a new method to solve the disjunctive query problem of the RDQL primitive.

시맨틱 웹 서비스는 최근에 많은 연구가 수행되고 있는 시맨틱 웹 기술을 기반으로 웹 서비스를 지원하는 웹 기술이다. 지금까지 시맨틱 웹 서비스와 관련된 연구는 시맨틱 웹 문서 저장 기법과 시맨틱 질의 처리를 위한 추론 엔진 개발 둥에 많이 집중되어 왔다. 그러나 근본적으로 시맨틱 웹 서비스 환경을 지원하기 위해서는 사용자 혹은 에이전트가 시맨틱 정보를 질의할 수 있는 효과적인 질의 인터페이스의 제공이 필수적이다. 이에 관하여, 본 논문에서는 복잡한 시맨틱 정보에 대해 일반 사용자의 높은 질의 투명성을 제공하기 위한 시맨틱 질의 어댑터(SQA)를 제안한다. 먼저 BAML-S Profile의 요소를 분석하여 그래픽 기반의 절차적 사용자 질의 인터페이스를 설계한다. 그리고 사용자 인터페이스로 입력된 질의는 시맨틱 질의어인 RDQL로 변환하도록 구현하였다. 이때 RDQL 술어의 결합(disjunctive) 질의 문제를 해결하기 위한 시맨틱 질의어 다중 생성 프로세서를 제시한다.

Keywords

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