Applying Crime Prediction Techniques to Japan: A Comparison Between Risk Terrain Modeling and Other Methods |
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Authors: | Tomoya Ohyama Mamoru Amemiya |
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Institution: | 1.Graduate School of Systems and Information Engineering,University of Tsukuba,Tsukuba,Japan;2.Faculty of Systems and Information Engineering,University of Tsukuba,Tsukuba,Japan |
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Abstract: | In recent years, the field of crime prediction has drawn increasing attention in Japan. However, predicting crime in Japan is especially challenging because the crime rate is considerably lower than that of other developed countries, making the development of a statistical model for crime prediction quite difficult. Risk terrain modeling (RTM) may be the most suitable method, as it depends mainly on the environmental factors associated with crime and does not require past crime data. In this study, we applied RTM to cases of theft from vehicles in Fukuoka, Japan, in 2014 and evaluated the predictive performance (hit rate and predictive accuracy index) in comparison to other crime prediction techniques, including KDE, ProMap, and SEPP, which use past crime occurrences to predict future crime. RTM was approximately twice as effective as the other techniques. Based on the results, we discuss the merits of and drawbacks to using RTM in Japan. |
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