Journal of the Korean Association of Geographic Information Studies (한국지리정보학회지)

The Korean Association of Geographic Information Studies (한국지리정보학회)
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Probabilistic Prediction of the Risk of Sexual Crimes Using Weight of Evidence

Weight of Evidence를 활용한 성폭력 범죄 위험의 확률적 예측

  • KIM, Bo-Eun (Chungcheongbuk-do Disaster Safety Research Institute) ;
  • KIM, Young-Hoon (Department of Geography Education, Korea National University of Education)
  • 김보은 (청북도 재난안전연구센터) ;
  • 김영훈 (한국교원대학교 지리교육과)
  • Received : 2019.10.30
  • Accepted : 2019.12.14
  • Published : 2019.12.31
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Abstract

The goal of this study is to predict sexual violence crimes, which is an routine risk. The study used to the Weight of Evidence on sexual violence crimes that occurred in partly Cheongju-si for five years from 2011 to 2015. The results are as follows. First, application and analysis of the Weight of Evidence that considers the weight of evidence characteristics showed 8 out of total 26 evidences that are used for a sexual violence crimes risk prediction. The evidences were residential area, date of use permission for building, individual housing price, floor area ratio, number of basement floor, lot area, security light and recreational facility; which satisfied credibility in the process of calculating weight. Second, The weight calculated 8 evidences were combined to create the prediction map in the end. The map showed that 16.5% of sexual violence crimes probability occurs in 0.3㎢, which is 3.3% of the map. The area of probability of 34.5% is 1.8㎢, which is 19.0% of the map and the area of probability of 75.5% is 2.0㎢, which is 20.7% of the map. This study derived the probability of occurrence of sexual violence crime risk and environmental factors or conditions that could reduce it. Such results could be used as basic data for devising preemptive measures to minimize sexual violence, such as police activities to prevent crimes.

본 연구는 일상생활 가운데 누구나 겪을 수 있는 성폭력 범죄 위험의 예측을 목적으로 한다. 2011-2015년 5년 간 청주시 일부 지역에서 발생한 성폭력 범죄를 대상으로 베이지안 통계 기반의 Weight of Evidence를 적용·분석하였다. Weight of Evidence를 활용하여 분석한 결과 첫째, 투입된 관련요인(Evidence) 총 26개 중 주거용도면적, 건축물 사용승인일, 개별주택가격, 용적률, 지하층 수, 대지면적, 보안등, 오락시설 8개만이 신뢰도를 만족하여 각각의 가중치(Weight)가 산출되었다. 둘째, 가중치가 산출된 8개의 관련요인을 결합하여 최종적으로 예측 지도를 도출하였다. 성폭력 범죄가 발생할 위험이 75.5%인 지역은 대상지역 전체면적의 20.7%(2.0㎢)를 차지하였으며 16.5% 지역은 3.3%(0.3㎢), 34.5% 지역은 19.0%(1.8㎢)로 나타났다. 본 연구는 성폭력 범죄 위험의 발생 확률과 이를 감소시킬 수 있는 환경적 요인 또는 조건을 도출하였다. 이와 같은 결과는 경찰의 범죄예방 활동 등 성폭력 범죄 피해 최소화를 위한 선제적 대응방안 마련의 기초자료로서 활용될 수 있을 것이다.

Keywords

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