The Real-time Police Force: Publishing Analytic Information to the Field with HunchLab
http://www.azavea.com/products/hunchlab Police agencies collect a wealth of data. Every call for services and every incident of crime is captured and logged (and often automatically geocoded to a point in space). Making sense of this wealth of data is critical to police agencies being led by intelligence and analysis and not simply putting cops out into the field haphazardly. Most police forces have a process whereby this raw information is groomed into maps by a central crime analysis unit. Determining where hotspots are present and describing recent events is definitely useful, but how can we accelerate this process to adapt our analytic output in nearly real-time and then disseminate this information to the field? The answer is by automating the flow of information. We see this feature as a core strength within our product, HunchLab. New information is automatically pulled into HunchLab through integration with police agencies computer aided dispatch (CAD) and records management systems (RMS). This new information is then immediately incorporated into analytic output. New incidents can trigger early warning alerts for spikes in activity or modify short-term risk assessment in a particular police district. But it's not just about consuming this information within HunchLab itself. The system provides secure access to analytic output via APIs that can be integrated into other back-end applications, further analytic tools, and even mobile applications. http://www.azavea.com/products/hunchlab
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The Real-time Police Force: Publishing Analytic Information to the Field with HunchLab
- 1. The Real-time Police Force: Pushing Situational Awareness & Predictive Information to the Field with HunchLab 340 N 12th St, Suite 402 Philadelphia, PA 19107 215.925.2600 info@azavea.com www.azavea.com/hunchlab
- 2. About Us Robert Cheetham President & CEO cheetham@azavea.com 215.701.7713 Jeremy Heffner HunchLab Product Manager jheffner@azavea.com 215.701.7712
- 3. Agenda • Company Background • HunchLab – What has happened? – What is out of the ordinary? – What is likely to happen next? • Interfaces & Integration – Browser – REST API – Mobile • Q&A
- 4. About Azavea • Founded in 2000 • 30 people • Based in Philadelphia – Boston office – Minneapolis office • Geospatial + web + mobile – Software development – Spatial analysis services
- 5. Clients & Industries • Public Safety • Municipal Services • Public Health • Human Services • Culture • Elections & Politics • Land Conservation • Economic Development
- 6. HunchLab
- 7. Crime Analysis – What has happened? – Mapping (spatial / temporal densities) – Trending – Intelligence Dashboard Early Warning – What is out of the ordinary? – Statistical & Threshold-based Hunches (data mining) – Alerting Risk Forecasting – What is likely to happen next? – Near Repeat Pattern – Load Forecasting
- 8. Crime Analysis – Mapping (spatial / temporal densities) – Trending – Intelligence Dashboard Early Warning – Statistical & Threshold-based Hunches (data mining) – Alerting Risk Forecasting – Near Repeat Pattern – Load Forecasting
- 10. INCT & PARS – main database sources over 5,000 incidents daily, over 2 million annually PARS Complainant INCT Verizon Daily download 911 District & Geocoding Routines 48 Desk Incident Report Completed by Officer District X 911 Operator Police Officer Maps distributed Through Intranet, District Y Printing, CompStat Radio Dispatcher CAD District Z
- 11. Information Flow • The Process – Data is collected – Data is analyzed – Results are disseminated Collection Analysis Dissemination
- 12. Information Flow • Accelerating information flow with HunchLab – Collection • Integrated with operational databases – Analysis • Automated analytic routines – Dissemination • Automated alerts (email, sms, etc.) • Easy-to-use interfaces for non-technical staff • Open access to analytic results through APIs Operational Operational Database Alerting Operational Database HunchLab Database System Databases
- 13. web-based crime analysis, early warning, and risk forecasting
- 14. Crime Analysis What has happened?
- 16. Crime Analysis
- 17. Early Warning What is out of the ordinary?
- 18. Early Warning • Geographic Early Warning System – A system to alert staff of an unusual situation in a particular location – Ingests data sets to automatically “cook on” and only involves staff when a statistically unusual situation is found Geostatistical Engine Operational Operational Database Alerting Operational Database HunchLab Database System Databases
- 19. Early Warning
- 20. Demo
- 21. Risk Forecasting What is likely to happen next?
- 22. Contagious Crime? • Near repeat pattern analysis • “If one burglary occurs, how does the risk change nearby?”
- 23. Near Repeat Pattern Analysis • How can you test your own data? – Near Repeat Calculator • http://www.temple.edu/cj/misc/nr/ • Papers – Near-Repeat Patterns in Philadelphia Shootings (2008) • One city block & two weeks after one shooting – 33% increase in likelihood of a second event Jerry Ratcliffe Temple University
- 24. Near Repeat Pattern Analysis
- 25. Contagious Crime? • Near repeat pattern analysis • “If one burglary occurs, how does the risk change nearby?”
- 26. Improving CompStat • Load forecasting • “Given the time of year, day of week, time of day and general trend, what counts of crimes should I expect?”
- 27. What Do We Mean By Load Forecasting? • Load forecasting • Generating aggregate crime counts for a future timeframe using cyclical time series analysis Measure cyclical patterns + Identify non-cyclical trend Forecast expected count bit.ly/gorrcrimeforecastingpaper
- 28. Load Forecasting
- 29. Load Forecasting
- 30. Improving CompStat • Load forecasting • “Given the time of year, day of week, time of day and general trend, what counts of crimes should I expect?”
- 33. Web Interface • Standards based – No Flash – No Silverlight • Strengths – Styleable – Extendable
- 34. But what’s under the hood? Alerts HunchLab Web Application Mapping & Hunch Risk Admin Tools Analysis Management Forecasting Geostatistical Engine Alerting System HunchLab Operational Database GIS Operational Database Databases
- 35. REST API • HunchLab REST API – Powers all functionality in browser application – Open – Standards-based • JSON, XML, etc. REST API HunchLab Engine
- 36. REST API • HunchLab REST API – Powers all functionality in browser application – Open – Standards-based • JSON, XML, etc. REST API HunchLab Engine Other Backend Systems
- 40. Q&A
- 41. About Us Robert Cheetham President & CEO cheetham@azavea.com 215.701.7713 Jeremy Heffner HunchLab Product Manager jheffner@azavea.com 215.701.7712