Journal of Korean Society for Geospatial Information Science (대한공간정보학회지)

Korea Spatial Information Society (대한공간정보학회)
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Method for Spatial Sentiment Lexicon Construction using Korean Place Reviews

한국어 장소 리뷰를 이용한 공간 감성어 사전 구축 방법

  • Lee, Young Min (Department of Civil and Environmental Engineering, Seoul National University) ;
  • Kwon, Pil (Department of Civil and Environmental Engineering, Seoul National University) ;
  • Yu, Ki Yun (Department of Civil and Environmental Engineering, Seoul National University) ;
  • Kim, Ji Young (Institute of Construction and Environmental Engineering, Seoul National University)
  • 이영민 (서울대학교 건설환경공학부) ;
  • 권필 (서울대학교 건설환경공학부) ;
  • 유기윤 (서울대학교 건설환경공학부) ;
  • 김지영 (서울대학교 건설환경종합연구소)
  • Received : 2017.02.15
  • Accepted : 2017.05.18
  • Published : 2017.06.30
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Abstract

Leaving positive or negative comments of places where he or she visits on location-based services is being common in daily life. The sentiment analysis of place reviews written by actual visitors can provide valuable information to potential consumers, as well as business owners. To conduct sentiment analysis of a place, a spatial sentiment lexicon that can be used as a criterion is required; yet, lexicon of spatial sentiment words has not been constructed. Therefore, this study suggested a method to construct a spatial sentiment lexicon by analyzing the place review data written by Korean internet users. Among several location categories, theme parks were chosen for this study. For this purpose, natural language processing technique and statistical techniques are used. Spatial sentiment words included the lexicon have information about sentiment polarity and probability score. The spatial sentiment lexicon constructed in this study consists of 3 tables(SSLex_SS, SSLex_single, SSLex_combi) that include 219 spatial sentiment words. Throughout this study, the sentiment analysis has conducted based on the texts written about the theme parks created on Twitter. As the accuracy of the sentiment classification was calculated as 0.714, the validity of the lexicon was verified.

위치 기반 서비스를 이용하여 자신이 방문한 장소에 대한 긍정 혹은 부정적 의견을 리뷰로 남기는 것이 일상화되고 있다. 실제 방문자가 작성한 장소 리뷰에 대한 감성분석 결과는 잠재적 소비자뿐 아니라 기업에게도 유용한 정보를 제공할 수 있다. 장소에 대한 감성분석을 실시하기 위해서는 감성분석의 기준이 되는 어휘에 대한 사전이 필요하다. 그러나 현재까지 장소를 표현하는 공간 감성어에 대한 사전이 구축된 바 없다. 이에 본 연구는 실제 방문자가 한국어로 작성한 장소 리뷰 데이터를 분석하여 공간 감성어 사전을 구축하는 방법을 제안하며, 여러 장소 카테고리 중 테마공원을 대상으로 공간 감성어 사전을 구축하였다. 이를 위해 자연어 처리 기법과 통계적 기법을 활용하였으며, 사전에 포함되는 공간 감성어는 감성의 극성에 대한 정보와 극성의 정도에 대한 확률점수를 포함하고 있다. 본 연구에서 구축한 공간 감성어 사전은 3개의 테이블(SSLex_SS, SSLex_single, SSLex_combi)로 구성되며, 총 219개의 어휘를 포함한다. 이를 바탕으로 트위터에서 테마공원에 대해 작성된 글을 대상으로 감성분석을 실시하였으며, 감성의 극성 분류에 대한 전체 정확도가 0.714로 산출됨에 따라 사전의 유효성을 확인할 수 있었다.

Keywords

Acknowledgement

Grant : 국토공간정보의 빅데이터 관리, 분석 및 서비스 플랫폼 기술개발

Supported by : 국토교통부

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