질의응답 시스템에서 정답을 제약하기 위한 위키피디아 영역의 정답제약 9개를 정의하고 질문 문장에서 제약표현을 추출하는 방법을 제안한다. 다어절의 정답제약 표현을 추출하기 위해서 언어분석 결과를 활용하여 정답제약 후보를 생성하며 후보단위로 정답제약 표현을 학습하기 위한 자질을 제시한다. 기계학습 방법을 이용하여 정답제약 후보 별로 정답제약 태그를 분류하여 정답제약 표현을 추출한다. 성능 실험은 각 정답제약 태그 별로 F1-Score 평가를 수행하였다.
KSP Keywords
F1-score
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