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Network-based space-time search-window technique for hotspot detection of street-level crime incidents
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Shiode, Shino and Shiode, Naru (2012) Network-based space-time search-window technique for hotspot detection of street-level crime incidents. International Journal of Geographical Information Science , Volume 27 (Number 5). pp. 866-882. doi:10.1080/13658816.2012.724175 ISSN 1365-8816.
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Official URL: http://dx.doi.org/10.1080/13658816.2012.724175
Abstract
This study proposes a street-level space‐time hotspot detection method to analyse crime incidents recorded at the street-address level and provides description of the micro-level variation of crime incidents over space and time. It expands the notion of search-window techniques widely used in crime science by developing a method that can account for the spatial‐temporal distribution of crime incidents measured in network distance. The study first describes the methodological framework by presenting the concept of a new type of search window and how it is used in the process of statistical testing for detecting crime hotspots. This is followed by analyses using (1) a simulated distribution of points along the street network, and (2) a set of real street-crime incident data. The simulation study demonstrates that the proposed method is effective in identifying space‐time hotspots, which include those that are not detected by a non-temporal method. The empirical analysis of the drug markets and assaults in downtown Buffalo, New York, revealed a detailed space‐time signature of each type of crime, highlighting the recurrent nature of drug dealing at specific locations as well as the sporadic tendency of assault incidents.
Item Type: | Journal Article | ||||||||
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Divisions: | Faculty of Social Sciences > Centre for Interdisciplinary Methodologies | ||||||||
Journal or Publication Title: | International Journal of Geographical Information Science | ||||||||
Publisher: | Taylor & Francis | ||||||||
ISSN: | 1365-8816 | ||||||||
Official Date: | 7 November 2012 | ||||||||
Dates: |
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Volume: | Volume 27 | ||||||||
Number: | Number 5 | ||||||||
Page Range: | pp. 866-882 | ||||||||
DOI: | 10.1080/13658816.2012.724175 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Restricted or Subscription Access |
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