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A Study on the Analysis of Centrality and Brokerage Measures of Journal Citation Network - Focusing on KCI Journals -

학술지 인용 네트워크의 중심성과 중개성 분석에 관한 연구 - KCI 등재 학술지를 중심으로 -

  • Received : 2019.11.19
  • Accepted : 2019.12.12
  • Published : 2019.12.30

Abstract

This study aims to analyze and compare centrality and brokerage measures of journal citation network focusing on textmining research. The analytic sample was 193 academic articles collected from 136 KCI journals published in 2018. The journal citation network was constructed based on citation relations. The characteristics, centralities, and brokerages of network was analyzed. The journal citation network consisted 136 nodes and 413 links with directed and weight. According to the five types of centrality(out-degree, in-degree, out-closeness, in-closeness, betweenness), journals of social sciences, engineering, and interdisciplinary research showed higher centrality. Social sciences, engineering and interdisciplinary research journals also showed higher brokerages as a result of brokerage analysis which identify five types of brokerage roles(coordinator, gatekeeper, representative, consultant, liaison). The centralities and brokerages of journals are positively correlated. This study suggested how to construct journal citation network from the articles focusing on certain topics. This was meaningful study in terms of conducting brokerage analysis and comparing it with centrality in the journal citation network.

이 연구는 텍스트 마이닝 분야의 국내 학술논문들을 대상으로 학술지 단위에서 인용 네트워크를 구성하고, 중심성과 중개성을 분석하고 비교하는 것을 목적으로 한다. 분석대상의 학술논문들은 KCI에서 검색한 2018년도 논문 193건이며, 이들을 수록한 136종의 학술지들 간에 형성된 인용-피인용 관계 데이터로 학술지 인용 네트워크를 구성하였다. 이 네트워크의 기본속성, 중심성, 중개성과 관련된 지표들을 분석한 결과는 다음과 같다. 첫째, 구성된 학술지 인용 네트워크는 전체 136개 노드와 413개 링크로 구성되며, 방향성과 가중치를 가지는 네트워크였다. 둘째, 5가지 중심성(외향연결정도, 내향연결정도, 외향근접, 내향근접, 매개 중심성) 분석의 결과, 수록 논문수가 많고 사회과학, 공학, 복합학으로 분류되는 학술지들에서 중심성의 순위가 높았다. 셋째, 학술지의 5가지 중개역할 유형(조정자, 문지기, 대리인, 상담자, 연락자)을 파악하는 중개성 분석에서는 사회과학, 공학, 복합학 분야 학술지에서 중개역할이 높게 나타났다. 넷째, 중심성과 중개성의 상관분석에서는 중심성이 높은 학술지는 중개성도 높았다. 이 연구는 특정 주제의 학술논문들로부터 학술지의 인용 네트워크를 구성하는 방법을 제시하였으며, 네트워크에서 학술지의 중개성 분석을 시도하고 중심성 분석과 비교한 것에 의의가 있다.

Keywords

References

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