Journal of the Korean Data and Information Science Society

The Korean Data and Information Science Society (한국데이터정보과학회)
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Performance analysis of volleyball games using the social network and text mining techniques

사회네트워크분석과 텍스트마이닝을 이용한 배구 경기력 분석

  • 강병욱 ((주)엠소프트테크놀러지) ;
  • 허만규 (동의대학교 분자생물학과) ;
  • 최승배 (동의대학교 데이터정보학과)
  • Received : 2015.02.25
  • Accepted : 2015.05.18
  • Published : 2015.05.31
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Abstract

The purpose of this study is to provide basic information to develop a game strategy plan of a team in a future by identifying the patterns of attack and pass of national men's professional volleyball teams and extracting core key words related with volleyball game performance to evaluate game performance using 'social network analysis' and 'text mining'. As for the analysis result of 'social network analysis' with the whole data, group '0' (6 players) and group '1' (11 players) were partitioned. A point of view the degree centrality and betweenness centrality in 'social network analysis' results, we can know that the group '1' more active game performance than the group '0'. The significant result for two group (win and loss) obtained by 'text mining' according to two groups ('0' and '1') obtained by 'social network analysis' showed significant difference (p-value: 0.001). As for clustering of each network, group '0' had the tendency to score points through set player D and E. In group '1', the player K had the tendency to fail if he attack through 'dig'; players C and D have a good performance through 'set' play.

본 연구의 목적은 '사회네트워크분석'과 '텍스트마이닝'을 이용하여 국내 남자프로배구 구단의 공격, 패스 패턴을 찾아내고, 배구경기력과 관련된 핵심 키워드 추출하여 경기력을 평가하여 향후 구단의 경기 전력을 수립하는데 기초자료로 활용하는데 있다. 본 연구에서는 '사회네트워크분석'을 통해 도출된 그룹변수들을 '텍스트마이닝' 기법의 결과인 경기의 '승패'에 차이를 검정하기 위해 '0' 그룹 (6명)과 '1' 그룹 (11명)으로 재구성하였다. 연구의 결과로서 '사회네트워크분석'의 연결중심성과 중개중심성의 순위로 판단하면, '0' 그룹 보다 '1' 그룹이 우수한 경기력을 보였다. '사회네트워크분석'에 의해서 재구성된 '0' 그룹과 '1' 그룹에 따라서 '텍스트마이닝'에 의해서 생성된 '승패' 그룹에 대한 유의성 검정 결과 유의한 차이가 있는 것으로 나타났다 (p값: 0.001). '그룹별' 클러스터링 결과, '0' 그룹의 경우 'D' 선수와 'E' 선수가 '세트' 플레이를 통하여 정확하게 득점한다고 할 수 있다. '1' 그룹의 경우 'K' 선수가 '디그'에 의해서 '공격'을 하는 경우 실패하는 경우가 많고, 'C' 선수와 'P' 선수는 '세트' 정확한 플레이를 한 것으로 나타났다.

Keywords

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