한국인터넷방송통신학회논문지 (The Journal of the Institute of Internet, Broadcasting and Communication)

  • 제13권4호
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  • Pages.117-126
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  • 2013
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  • 2289-0238(pISSN)
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  • 2289-0246(eISSN)
한국인터넷방송통신학회 (The Institute of Internet, Broadcasting and Communication)
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기계학습을 이용한 단문 오피니언 문서의 효율적 검색 기법

Efficient Retrieval of Short Opinion Documents Using Learning to Rank

  • 장재영 (한성대학교 컴퓨터공학과)
  • 투고 : 2013.05.14
  • 심사 : 2013.08.16
  • 발행 : 2013.08.31
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초록

최근 들어 트위터나 페이스북과 같은 SNS가 대중화되면서, 오피니언 마이닝에 관한 연구가 활발히 진행되고 있다. 그러나 현재의 오피니언 마이닝 연구는 대부분 감성분류나 특징선택 방법에 중점을 두고 있으며, 오피니언 문서의 검색에 관한 연구는 아직 미진한 실정이다. 본 논문에서는 단문으로 구성된 오피니언 문서로부터 사용자가 원하는 문서들을 효율적으로 검색하는 기법을 제안한다. 제안된 방법에서는 기존의 감성분류 방법을 활용함과 동시에 문서의 질적 평가를 위해 여러 가지 특징들을 적용한다. 검색 모델을 생성하기 위해 기계학습 기반 랭킹 기법을 활용하며, 감성 분류 모델을 기계학습 랭킹 모델에 통합하는 방법을 사용한다. 또한 실험을 통하여 제안된 방법이 오피니언 검색에 효율적으로 적용될 수 있음을 보여준다.

Recently, as Social Network Services(SNS), such as Twitter, Facebook, are becoming more popular, much research has been doing on opinion mining. However, current related researches are mostly focused on sentiment classification or feature selection, but there were few studies about opinion document retrieval. In this paper, we propose a new retrieval method of short opinion documents. Proposed method utilizes previous sentiment classification methodology, and applies several features of documents for evaluating the quality of the opinion documents. For generating the retrieval model, we adopt Learning-to-rank technique and integrate sentiment classification model to Learning-to-rank. Experimental results show that proposed method can be applied successfully in opinion search.

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