목차

요 약 ·························································································································i
Abstract ··················································································································iii
목 차 ·······························································································································v
1 서 론 ······························································································································1
1.1 연구 배경 ····························································································································1
1.2 연구 목적······················································································································3
1.3 연구 구성····························································································································4
2 관련연구 ······················································································································6
2.1 국내외 사례···············································································································6
2.1.1 자질 관련 기존 연구·······················································································6
2.1.2 댓글 적합성 관련 기존 연구···························································································7
2.1.3 감정 분류 기존 연구·················································································8
2.2 기존연구의 문제점························································································9
2.3 기계 학습 기법 및 자질 선정 기법·························································································9
2.3.1 지지 벡터 머신 (Support Vector Machine)······························································10
2.3.2 정보 이득(Information Gain)··········································································12
3 적합성 판단 설계 및 구현 ·····························································································14
3.1 적합성 판단 전체 시스템 구성도·························································································14
3.2 전처리 과정·······································································································15
3.3 댓글 적합성 판단 자질·····························································································17
3.3.1 Content 자질··································································································18
3.3.2 Surface 자질····································································································22
3.3.3 감정 자질····································································································24
4 실험 및 결과 ·········································································································28
4.1 실험 환경··········································································································28
4.1.1 실험 데이터·····························································································28
4.1.2 평가 척도·········································································································30
4.1.3 정보이득 실험 구축··························································································30
4.2 실험 결과··············································································································32
4.2.1 모든 자질 군 결과 확인···························································································32
4.2.2 자질 군 결과 확인························································································33
4.2.3 자질 결과 확인····························································································33
4.2.4 자질 기여도 수치 확인······························································································34
4.3 실험 결과 분석··································································································36
4.3.1 적합성 판단 시스템 및 자질들의 유효성·····································································36
4.3.2 자질 기여도 분석··································································································36
5 결론 및 향후 과제 ····································································································38
참고문헌 ·························································································39
감사의 글 ···························································································41