Demand Modelling and Predictive Police Positioning for Effective Service Provision

Lead Research Organisation: Loughborough University
Department Name: Aeronautical and Automotive Engineering

Abstract

In today's society where economic pressures mean resources are being squeezed, the end outcome of a valued service is still necessary. Being able to allocate staff as required and making the best use of these resources is critical for the longevity of business. For the emergency services, in particular the Police Force, making the best use of the resources, namely the Local Police Officers, that respond to demand from calls from the public, requires optimal positioning (location setting) to facilitate the response minimizing time to reach the incident, minimizing the risk of failure to reach target arrival times and maximizing the visibility to the public. These locations need to reflect the 'hot spots' for such demand calls. For a more enhanced service provision and the need to be visible these hot spots need to be routes, rather than stationary points, which will vary depending on the time of day, day of the week and month of the year. At the same time the personnel involved need some stability in terms of being able to practically manage their shift.
Within this research proposal, the use of historical data, as well as predictive modelling tools, are used to facilitate the best strategy to allocate and position staff based on the prescribed demand for Police Officers. This will require methods of facility location to be extended to deal with real time, variable and static positioning, in a changing and uncertain environment. The modelling tool to be generated will provide an automated mechanism to produce optimal Officer location positioning, with the ability to facilitate stationary and predictive patrol routes to maximize the ability to meet demand in the shortest amount of time. This level of sophistication is not currently seen within the force. For the Police to have the predictive capability coupled with the most optimal response serves to alleviate fears of society as to the role of Police with regards to crime. The potential impact on Crime is immense.

Planned Impact

This research proposal responds directly to the imperative needs of the industrial collaborator, Leicestershire Constabulary. Given the huge budget cuts that are in place, there is a fundamental need to evaluate current working practices and make changes as appropriate. Without a mechanism to make informed decisions, the end result is potentially incorrect leading to a detrimental effect on incidence demand attendance and service provision to crime and costly, both financially and publically. Though this work is primarily with Leicestershire, this has the potential for all UK Forces to address their Local Police Officer working practices to formulate future policies for operation to maximise effectiveness within resource constraints. In addition there is scope that the methods of the research can be applied to other emergency services, i.e. the ambulance service or fire services.

In addition the algorithms that are to be developed within the proposal will allow optimal positioning of resources (in a changing environment), hence their application can be envisaged for services which exhibit these uncertain circumstances such as large scale events, an example would be the London Marathon where placement of water stations and emergency response is paramount. Also the algorithms would be suitable for application in military applications where positioning of resources for soldiers is key to the success of their missions, or locations of spares and resources for military aircraft on missions abroad. Disaster zones also could benefit from adopting the methods in terms of identifying where to location necessary equipment. There is potential to have huge industrial impact with resulting societal impacts.

This research is borne from the demand set by the public for the requirement of the emergency service provider of the Police force. As the aim of the research is to affect the working practice of Police Officers, minimizing the risk of failing to meet demand, minimizing the time to attend incidents, and hopefully adding to the potential to reduce crime by increasing visibility, there is direct positive impact on society. This ultimately should improve quality of life in these demand situations. For the Police to have the predictive capability coupled with the most optimal response serves to alleviate fears of society as to the role of Police with regards to crime.

The economic benefit of this is the sustainability of the Police force to be able to offer the same or better level of service as they currently provide, under extreme enforced resource constraints. Also the research will serve to set new guidelines and procedural practices for Local Police Officers, one to improve their own working performance and secondly also that of the Force as a whole.

Given the research nature of the project, not only will existing techniques be applied in this novel domain but advances in techniques also developed. These advances will have applications to related industrial disciplines. The aim is to also hopefully enthuse the minds of others to future grow and develop this field of research, where such optimal service level performance can be achieved within tight resource constraints.
 
Description Overall the project has been able to develop algorithms to significantly enhance the ability of incidence response of officers as they operate in dynamic and at times uncertain environments.

Significant new knowledge and research skills generated and developed are:
i) Algorithms/tools have been developed to enable the mapping of incidence occurrence with officer location to enable the optimal allocation of the nearest most appropriate resource. Uncertainty and environmental factors (i.e. impact on traffic flow resulting from traffic incidents) are factored into the optimisation tool. The algorithms have been validated through discrete event simulation.
ii) A method of automatically identifying crime hotspots from raw historical data on crime and call information has been developed. This consists of algorithms for data mining for filtering data and kernel density estimation to identify crime intensity. This algorithm is accompanied by a strategy for considering daily changes and other time variants.
iii) Routing algorithms for patrol routes, to maximise visibility and minimise distance to the predicted response demand, have been developed. This utilised the principle of maximum location problems and was adapted to fit the police positioning problem.
iv) A Police location strategy has been generated encompassing static and variable positioning for reduced response times for incident demand.
v) Validation of the officer positioning model is performed through simulation of randomised incident and positioning tasks, with the incorporation of historical data provided by Leicestershire Police. This has validated the process of hotspot mapping and proved the effectiveness of proactively positioning officers on reducing response times.

New research questions have been identified relating to:
i) The mapping of incidence occurrence and how to better understand the occurrence of incidences to facilitate better predictions of future events.
ii) For crimes that are to be influenced by Police officer presence what factors are necessary to rank the priority of incidents and what is the best strategy to facilitate maximal deterrent capabilities.
iii) The positioning of resources in other Police related disciplines such as Custody, such that deployment of officers to custody units is optimal and also that internal custody suites set up is optimal for the most effective detainee journey and that collectively Custody suites are positioned most optimally for better service provision.

New and extended research networks from the grant have been identified:
i) Extension of the current collaborations have been sought to begin to investigate research question (i).
ii) Engagements with other Forces have communications on-going with regards to future involvement.
iii) Networks across other academic institutions (University of Nottingham and University of Birmingham) have been opened with collaborations through future grant submissions being formed.

In summary these findings have been achieved through the research and engagement activities as well as the co-operation of the collaborator, which is further summarised in the narrative impact section.
Exploitation Route The algorithms and results for optimal selection of officers as well as optimal deployment of officers have been shown to the Leicestershire Force (and disseminated more widely). Currently discussions have been made and an implementation plan to trial some of the positioning work is underway. It is anticipated that such a trial will facilitate a longer term strategy of using the predictive capability within the Force.
Sectors Aerospace, Defence and Marine,Government, Democracy and Justice,Transport,Other

 
Description Within the research period a number of engagement activities have been undertaken to facilitate the pathways to impact of this research. This has influenced the impact of the research and the use of these findings. The engagement activities can be summarised under three categories - scientific, industrial and public. The scientific engagement has included: i) 4 journal paper publications; ii) 1 trade journal publication (Police Insight); iii) 5 international conference presentations with peer reviewed papers (one prize); iv) 2 international conference presentations, 2 national; v) 5 poster presentations (industrial and academic, two poster prizes); and vi) Future ESRC bid on Orchestrating Custody Configuration submitted in May 2017 (unfortunately unsuccessful). The industrial engagement has related to: i) On-going Leicestershire police involvement - with research paper presented at the HICSS conference in 2018; ii) Discussions/workshops with 3 other police forces regarding predictive policing work (Nottingham, West Midlands and Northampton), and also iii) discussions with the defence industry about wider application of the methods. The Community / Public engagement has involved: i) 5 invited talks - Nottingham ASAP Group, Simulation Research Group and Criminal Justice Special Interest Group (3) on research and broader topics to the wider communities; ii) 1 Operational Research Society (Early Career) advisory meeting (wider postgraduate community); and iii) Press releases and radio interview. These engagement activities have facilitated the scientific, industrial and public impact. With regards to the Scientific impact there has been several publications in the field showing integration of a variety of OR methods to a new application area, yielding outcomes that are implementable to change current strategy (both within the Police Force and in the wider domain). Industrial impact is in the development of new algorithms to look to reallocate officers, where there is ongoing discussions regarding trials of the methods. This has lead to future involvement in mini analytics projects with collaborators of the ESRC project to aid predictive policing across a variety of Police domains where new research questions have been identified. In relation to the Community/Public impact, a number of wider community engagement activities, hence impact on visualisation of work being undertaken by Police to improve their service. Work has fed into education and research arena as well as community areas.
First Year Of Impact 2016
Sector Government, Democracy and Justice
Impact Types Societal

 
Description Secure and Resilient Societies Studenship Challenge Call
Amount £120,000 (GBP)
Organisation Loughborough University 
Sector Academic/University
Country United Kingdom
Start 10/2016 
End 09/2019
 
Title Algorithm Integration 
Description The model for positioning has integrated a number of data analysis methods and algorithms - demand coverage evaluation, kernel density maps, optimisation algorithms (Tabu search, PSO). 
Type Of Material Computer model/algorithm 
Provided To Others? No  
Impact Enables effective positioning, which is to be investigated further by Leics Police. 
 
Description Predictive Policing Collaboration and extended ongoing collaboration 
Organisation Leicestershire Police
Country United Kingdom 
Sector Public 
PI Contribution The research has focussed on using Leicestershire Police data and profiles for evaluation of the methods of the research. Discussions of trialling the methods are now underway. Following it's establishment the collaboration has extended to working on some local force data analytics with a paper presented at the HICSS conference in Jan 2018.
Collaborator Contribution Access to data, knowledge from experienced personnel, shadowing various team members, access to analytics team
Impact 5 international conference presentations with peer-reviewed papers (one awarded a prize) 3 journal papers (under review) 4 conference presentations (2 national, 2 international) 5 conference posters (two poster prizes) 1 trade journal article (Police Insight) Presentations and 3 Criminal Justice Special Interest Group Meetings
Start Year 2013
 
Description College Of Policing Research Day 
Form Of Engagement Activity Participation in an activity, workshop or similar
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Professional Practitioners
Results and Impact Poster and leaflets given out at this dissemination event, discussions with various practitioners regarding research work
Year(s) Of Engagement Activity 2014
 
Description Criminal Justice Special Interest Group Meeting (x3) 
Form Of Engagement Activity A talk or presentation
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Professional Practitioners
Results and Impact Three separate talks have been given at the Special Interest group meetings (held in London (2014), Wakefield (2015) and London (2016)). The titles of each are: Police Demand Modelling and Predictive Positioning; Police Officer Selection for Incident Response; Predictive Policing for Incident Response and Hotspot Targetting respectively. Talks informed the mixed audience of practitioners, researchers and the public of the research work being undertaken on officer selection and predictive policing, which prompted discussions and questions on implementation and practicalities afterwards.
Year(s) Of Engagement Activity 2014,2015,2016
 
Description East Midlands Policing Consortium 
Form Of Engagement Activity Participation in an activity, workshop or similar
Part Of Official Scheme? No
Type Of Presentation poster presentation
Geographic Reach Regional
Primary Audience Professional Practitioners
Results and Impact A poster was presented at this consortium event. The poster was awarded the "Best Poster" award. Attendance at the event enabled meetings with other Forces, across a different region (covering other Police forces) of the research being undertaken.

No immediate impact but avenues to discuss the work further will be persued.
Year(s) Of Engagement Activity 2014
 
Description European Conference for Operational Research (EURO 2016) presentation 
Form Of Engagement Activity A talk or presentation
Part Of Official Scheme? No
Geographic Reach International
Primary Audience Professional Practitioners
Results and Impact An abstract was submitted to this conference and accepted as a topic to be presented at the conference. The talk and the conference enabled networking with members from DSTL and others.
Year(s) Of Engagement Activity 2016
 
Description Evidence Based Policing Conference 
Form Of Engagement Activity Participation in an activity, workshop or similar
Part Of Official Scheme? No
Geographic Reach Regional
Primary Audience Industry/Business
Results and Impact Planned for the 4th March. Two invited presentations on police work, risk assessment and modelling, with expectation to spark questions.
Year(s) Of Engagement Activity 2018
 
Description Evidence Based Policing and Force Priorities (Nov 17) 
Form Of Engagement Activity Participation in an activity, workshop or similar
Part Of Official Scheme? No
Geographic Reach Regional
Primary Audience Industry/Business
Results and Impact Evidence Based Policing conference organised by Leicestershire Police. Invited attendee. Instigated a number of discussions with Police personnel re potential research collaborations. Nov 17.
Year(s) Of Engagement Activity 2017
 
Description Invited talk to the Nottingham ASAP group 
Form Of Engagement Activity A talk or presentation
Part Of Official Scheme? No
Geographic Reach Regional
Primary Audience Professional Practitioners
Results and Impact Following attendance at a conference an invitation was sent by the Nottingham ASAP (Automated Scheduling, Optimisation and Planning ) group to make a presentation to this group. The aim was to potentially facilitate future collaboration.
Year(s) Of Engagement Activity 2016
 
Description Leaflet - Task not Ask 
Form Of Engagement Activity A magazine, newsletter or online publication
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Professional Practitioners
Results and Impact A leaflet was produced on the work on officer selection and circulated to police forces to show the research capability currently obtained.
Year(s) Of Engagement Activity 2015
 
Description Leicestershire Constabulary Change Team meeting (x2) 
Form Of Engagement Activity A talk or presentation
Part Of Official Scheme? No
Geographic Reach Local
Primary Audience Professional Practitioners
Results and Impact Activity was to engage with the practitioners and policy makers within Leicestershire constabulary, to inform research direction. The first meeting in 2014 sought to discuss issues with Police officer allocation following demand and the second in 2016 was regarding predictive policing. The scope was also to engage and steer the research direction inline with practical implementation aspects.

Further information gained on operational factors and links with other projects for future integration.
Year(s) Of Engagement Activity 2014,2016
 
Description Loughborough University Press Release 
Form Of Engagement Activity A press release, press conference or response to a media enquiry/interview
Part Of Official Scheme? No
Geographic Reach International
Primary Audience Media (as a channel to the public)
Results and Impact A press release was carried out by Loughborough University regarding the Police research work as part of this project (November 2015). Subsequent interest from Leicestershire Police (different members from the collaborating team) as well as Radio Leicester.
Year(s) Of Engagement Activity 2015
 
Description Northampton Police visit 
Form Of Engagement Activity A talk or presentation
Part Of Official Scheme? No
Geographic Reach Local
Primary Audience Professional Practitioners
Results and Impact A visit to Northampton Police was arranged to discuss the research work being undertaken on the predictive policing project and to discuss avenues as to how this might influence their current business. Along with other members, the talk promoted discussions on potential collaborations.

Further discussions on collaboration to follow.
Year(s) Of Engagement Activity 2014
 
Description OR Society Early career advisory meeting 
Form Of Engagement Activity Participation in an activity, workshop or similar
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Postgraduate students
Results and Impact Following presentations at other OR Society events, Johanna was invited to participate in this early career OR event. The meeting was to discuss OR methods to early career practitioners. It prompted discussions and questions.

Further talks should follow.
Year(s) Of Engagement Activity 2014
 
Description OR56 Presentation 
Form Of Engagement Activity Participation in an activity, workshop or similar
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Professional Practitioners
Results and Impact This was a presentation made to the Operational Research Society conference (OR56). An abstracts was submitted and accepted (with abstracts published in the proceedings, page 65). Questions followed the presentations with further information asked for following the conference itself.
Year(s) Of Engagement Activity 2014
 
Description Poster at the International Crime and Intelligence Analysis conference 
Form Of Engagement Activity Participation in an activity, workshop or similar
Part Of Official Scheme? No
Geographic Reach International
Primary Audience Professional Practitioners
Results and Impact A short presentation of the work was made at this conference followed by the major activity of the poster and availability for discussions in the poster sessions (facilitating discussions with the conference attendees).
Year(s) Of Engagement Activity 2016
 
Description Presentation and Policing Violence, Risk and Resources: Police conference 
Form Of Engagement Activity Participation in an activity, workshop or similar
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Professional Practitioners
Results and Impact This is an invited presentation at the Policing conference on the Resource Allocation and Predictive Policing work being undertaken within this project and the wider research group. Posters are also been displayed on the work. This is to be held in November 2016.
Year(s) Of Engagement Activity 2016
 
Description QinetiQ Meeting 
Form Of Engagement Activity A talk or presentation
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Professional Practitioners
Results and Impact A meeting was arranged with QinetiQ to discuss the research work, where a presentation was undertaken and the discussions were focusses on how the police patrolling methods can be related to defence activities.
Year(s) Of Engagement Activity 2016
 
Description Radio Leicester Interview 
Form Of Engagement Activity A broadcast e.g. TV/radio/film/podcast (other than news/press)
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Public/other audiences
Results and Impact Radio Leicester interviewed the team regarding the research work, following the press release by Loughborough University (November 2015)
Year(s) Of Engagement Activity 2015
 
Description Simulation Workshop 2014 poster 
Form Of Engagement Activity Participation in an activity, workshop or similar
Part Of Official Scheme? No
Geographic Reach International
Primary Audience Professional Practitioners
Results and Impact A poster on Automated Police Officer Selection for Incident Response was provided and attended at the simulation workshop in Worcester. This poster was awarded the conference prize for "Best Poster".
Year(s) Of Engagement Activity 2014
 
Description Simulation working group presentation - Automated Police Officer Selection for Incident Response 
Form Of Engagement Activity A talk or presentation
Part Of Official Scheme? No
Geographic Reach Regional
Primary Audience Professional Practitioners
Results and Impact An invited talk was given to the Simulation Research Group, held at Loughborough, though with attendees from various sectors and places. The results initiated questions and further discussions after the presentation.

Awareness has been made of the research to fellow researchers, opening avenues for future collaborations.
Year(s) Of Engagement Activity 2014
 
Description Visit to Leicestershire Police 
Form Of Engagement Activity A formal working group, expert panel or dialogue
Part Of Official Scheme? No
Geographic Reach Local
Primary Audience Industry/Business
Results and Impact Following the Loughborough University Press Release regarding the research work, members from a different research Team within Leicestershire Police contacted us to discuss the work and their interest. Three meetings have subsequently been arranged with Mark Brennan and Jon White. Discussions are underway to implement part of the research methodologies for trials. (November 2015)
Year(s) Of Engagement Activity 2015
 
Description Visit to Nottinghamshire Police 
Form Of Engagement Activity A formal working group, expert panel or dialogue
Part Of Official Scheme? No
Geographic Reach Regional
Primary Audience Industry/Business
Results and Impact A meeting was arranged to have a dialogue regarding the recent capabilities we had with officer selection to discuss with Nottinghamshire Police. Future interaction is expected. Contact was Keiley Freeman (Feb 2015)
Year(s) Of Engagement Activity 2015
 
Description West Midlands Police Research Fair 
Form Of Engagement Activity Participation in an activity, workshop or similar
Part Of Official Scheme? No
Type Of Presentation poster presentation
Geographic Reach Regional
Primary Audience Professional Practitioners
Results and Impact The poster session enabled discussions with police personnel and other researchers.

Other collaborative meetings now arranged with otherforces interested in the findings and research.
Year(s) Of Engagement Activity 2014
 
Description Workshop/visit with West Midlands Police 
Form Of Engagement Activity Participation in an open day or visit at my research institution
Part Of Official Scheme? No
Geographic Reach Regional
Primary Audience Industry/Business
Results and Impact We invited members of West Midlands Police to Loughborough to discuss/showcase the work we have been doing on the project on predictive policing - Andy Brumwell and Richard Harris (Sept 2015)
Year(s) Of Engagement Activity 2015
 
Description Young OR Conference 2015 
Form Of Engagement Activity A talk or presentation
Part Of Official Scheme? No
Geographic Reach National
Primary Audience Professional Practitioners
Results and Impact Accepted abstract and presentation at the Young OR conference. Title of presentation: Police officer positioning for effective incident response and community presence. Questions asked following presentation and also discussions during conference.
Year(s) Of Engagement Activity 2015