미디에이터/랩퍼 구조를 기반으로 하는 정보 통합 시스템에서 모든 통합 결과를 한꺼번에 미디에이터 클라이언트로 보낸다면, 클라이언트에 큰 문제를 초래할 수 있다. 만일 사용자가 정밀하게 질의를 하지 않는다면, 서버는 많은 관련이 없는 결과를 만들어 낼 것이다. 그리고, 웹 사용자들은 관련된 결과라 할지라도 모든 결과를 접근하지는 않는 경향이 있다. 특히, 클라이언트가 제한된 하드웨어와 네트웍 자원을 가진 모바일 단말기 상에서 동작하는 경우, 문제가 더욱 심각하다. 본 논문에서는, 관계형 DBMS 의 커서 개념을 채택하여 미디에이터 시스템에서 통합 결과를 클라이언트에 부분적으로 전송하는 새로운 방식을 제안한다.
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