the real-time police force: publishing analytic information to the field with hunchlab

340 N 12th St, Suite 402Philadelphia, PA 19107

215.925.2600info@azavea.com

www.azavea.com/hunchlab

The Real-time Police Force:Pushing Situational Awareness & Predictive Information to the Field with HunchLab

About Us

Robert CheethamPresident & CEOcheetham@azavea.com215.701.7713

Jeremy HeffnerHunchLab Product Managerjheffner@azavea.com215.701.7712

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

About Azavea

• Founded in 2000

• 30 people

• Based in Philadelphia– Boston office

– Minneapolis office

• Geospatial + web + mobile– Software development

– Spatial analysis services

Clients & Industries

• Public Safety• Municipal Services• Public Health• Human Services• Culture • Elections & Politics• Land Conservation• Economic Development

HunchLab

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

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

Information Flow

Complainant

CAD

Verizon911

911 Operator

RadioDispatcher

Police Officer

District48 Desk

INCT

Daily download& Geocoding Routines

Incident ReportCompleted by Officer District X

District Y

District Z

Maps distributedThrough Intranet,

Printing, CompStat

INCT & PARS – main database sources

over 5,000 incidents daily, over 2 million annually

PARS

Information Flow

• The Process– Data is collected– Data is analyzed– Results are disseminated

Collection Analysis Dissemination

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

HunchLab Database

Operational Database Alerting

SystemOperational DatabaseOperational Databases

web-based crime analysis, early warning, and risk forecasting

Crime Analysis

What has happened?

Intelligence Dashboard

Crime Analysis

Early Warning

What is out of the ordinary?

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

HunchLab Database

Operational Database Alerting

System

Geostatistical Engine

Operational DatabaseOperational Databases

Early Warning

Demo

Risk Forecasting

What is likely to happen next?

Contagious Crime?

• Near repeat pattern analysis • “If one burglary occurs, how does the risk change nearby?”

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 RatcliffeTemple University

Near Repeat Pattern Analysis

Contagious Crime?

• Near repeat pattern analysis • “If one burglary occurs, how does the risk change nearby?”

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?”

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

Load Forecasting

Load Forecasting

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?”

Improving CompStat

Interfaces & Integration

Web Interface

• Standards based– No Flash– No Silverlight

• Strengths– Styleable– Extendable

But what’s under the hood?

HunchLab Database

Alerts

Alerting SystemGeostatistical Engine

HunchLab Web Application

Mapping & Analysis

Risk Forecasting

Admin ToolsHunch

Management

Operational DatabaseOperational Databases

GIS

REST API

• HunchLab REST API– Powers all functionality in

browser application– Open– Standards-based

• JSON, XML, etc.

HunchLabEngine

REST API

REST API

• HunchLab REST API– Powers all functionality in

browser application– Open– Standards-based

• JSON, XML, etc.

HunchLabEngine

REST API

Other Backend Systems

Mobile Interfaces

Mobile Interfaces

Q&A

About Us

Robert CheethamPresident & CEOcheetham@azavea.com215.701.7713

Jeremy HeffnerHunchLab Product Managerjheffner@azavea.com215.701.7712