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2017 ITU Kaleidoscope Academic Conference




               2. CRIME CONTROL IN SOUTH AFRICA              internet-crawling to extract crime data that will assist real-
                                                             time information capture, as well as automated and timely
          The South African Police Service (SAPS) is the national po-  documentation of crime information.
          lice force of the Republic of South Africa, with about 1,138
          police stations. These stations are divided according to the  2.2.2. Limitation on Knowledge Acquisition
          9 provincial borders, and a Provincial Commissioner is ap-
          pointed in each province [2]. A major responsibility stipu-  The usefulness of the information supplied by the current
                                                                                  3
          lated by the country’s constitution is that SAPS should pre-  system (e.g. Crime Hub ) to stakeholders and community
          vent, combat and investigate crime. However, containing  policing authorities is rather wanting. The summary crime
          crime remains a never-ending concern in South Africa (SA),  statistics usually reported by SAPS are at best only able to
                                             1
          as suggested by the victim of crime survey . In recent times,  provide a rough indication of deterioration or improvement
          there has been a significant increase in the crime rate in South  within different suburbs in South Africa or between police
          Africa, and this has been a major motivation for this research.  districts. It would for example be more desirable to report
                                                             on exact attributes or the peculiar (characterising) features of
                                                             a crime trend, which can assist actionable knowledge sup-
          2.1. Crime Control - Current Practice              port. For example, it is not sufficient to report that; “1700
                                                             sexual assaults cases were recorded in western province in
          In SA, crime reporting is typically done at the police sta-  2016”; rather, a report stating that, “out of 1700 sexual as-
          tion using traditional (manual) approach. This information is  saults cases recorded in western province in 2016, 500 of
          later captured onto the system at the local police stations and  the cases have been identified to involve repeat offender(s),
          stored for (future) processing at a provincial level, where a  who mostly operates at night (between 7-9 pm) at the city-
          domain expert analyses the information for knowledge sup-  centre and captures young females between ages 12 to 25 as
          port. This is typically the case because existing software (e.g.  victims”. The latter report reveals more information about
          Analyst’s Notebook) that could reveal pattern in crime data  the spatial, nature and sensitivity of crime attributes involved
          are very expensive to purchase and requires critical training  in such series. Hence, can aid actionable knowledge (e.g.
          or a domain expert, which poses serious constraints on de-  suspect prioritisation) for crime deterrence in resource con-
          veloping nations. Our findings indicate that such tool is only  strained settings.
          available at the headquarters/provincial level in SA. Thus,
          local stations only make use of basic Excel software for fil-
                                                             2.2.3. Potential Delay in Crime Information Dissemination
          tering data and identifying patterns, which is cumbersome,
          error prone and time consuming. This is a great hindrance to
                                                             Considering the current practice in SA, there is high tendency
          effective policing.
                                                             for delay in crime mitigation practices, leading to poor in-
                                                             terventions and policing strategies. This is evident as local
                                                             stations typically transfer crime data accumulated over a pe-
          2.2. Crime Control - The Gaps
                                                             riod of time to the provincial authority for analysis, since
                           2
          According to report , the South African police:citizen ratio  there are few domain experts that can handle such analysis
                                                             and that is where a more advanced tool is available. This is a
          is currently 1:347; that is one police officer for every 347 cit-
                                                             great limitation to effective policing because if at local levels,
          izens, or around 288 police officers per 100,000 people. This
                                                             police are able to derive patterns in a timeous manner, then
          report positions the country in the lower-middle end of polic-
                                                             they can act to stop such patterns. However, in situations
          ing when compared to countries across the world. While the
                                                             where they will have to wait a couple of days or weeks to get
          police is determined to “squeeze crime to zero” [2], there
                                                             the analysed pattern from provincial level, crime could have
          exists some challenges that may hinder their effort in com-
                                                             worsened during the waiting period. This gap can be fixed
          bating crime. The following four main gaps were identified
                                                             by deploying at local levels cost-effective user-centred tools
          in the current approach to crime control:
                                                             (e.g CriClust), which can present understandable structures,
                                                             patterns or trends to stakeholders in a timeous manner.
          2.2.1. Limitation on Crime Data Acquisition
                                                             2.2.4. Non-Proximity Centred Analysis
          The crime data provided by SAPS may suffer from omis-
          sion and inaccuracies since it is still manually captured by  The aim of data analytics is to transform data into “smart
          the police. These inaccuracies could hinder crime mitiga-  statistics” (i.e. non-trivial and useful information) to gain in-
          tion measures. A related study (by the authors) aims to ad-  sight for knowledge support. Crime patterns often differ and
          dress some of these challenges by use of a context-aware ap-  have their unique Modus Operandi (MO), since the oppor-
          plication that integrates crowd-sourcing, mobile phones and  tunities available to potential offenders vary across different
                                                             spatial space due to differences in spatial factors [5]. Hence,
             1 http://www.statssa.gov.za/publications/P0341/  a spatial framework with features and instances embedded
             2
             https://businesstech.co.za/news/general/95069/south-africas-police-
          force-vs-the-world/                                   3 https://www.issafrica.org/crimehub/



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