본 논문에서는 사용자에게 보다 유용한 정보를 제공하기 위하여 개념의 활용분야에 따른 속성 분류 기법이라는 새로운 분류 기법을 제안하고, 이를 활용해 정답문서집합 지식베이스를 자동으로 구축하는 방안을 제시한다. 제안된 방법은 범주간의 구분이 유동적인 속성의 특성을 반영하기 위하여 속성 특징(clue)을 활용함으로써 분류 정확도를 높이고, 개념망에 정의된 개념들 사이의 관계를 참조함으로써 지식베이스를 구축하기 위한 노력과 비용을 최소화하여 점진적인 분류기 생성을 가능하게 한다. 실험을 통해 제안된 방법의 정확도와 효율성을 입증하였으며, 정답문서기반 정보검색 시스템을 위한 정답문서집합 구축 과정에 적용시킨 결과를 제시함으로써 방법의 실제 효용성을 보였다.
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