Transcript Crime Map

Crime Map
Data Science Summer Institute
Why?
Crime
Violent Crime
One Murder every
One Forcible Rape every
One Robbery every
One Aggravated Assault
every
How often?
22.8 seconds
32.2 minutes
2.9 minutes
1.2 minutes
37.8 seconds
Champaign, IL
75, 254 people/21.5 square miles
Crime Severity
Last 365 Days
project overview
Integrate, Search, Mining
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Crime
Type
Location
Victims
Officer
Data Source
Parsing structured & unstructured data
Data Enrichment
Integrate with Social Media, News, and Blogs
social networks
•
If we know offender name and address, what else can
we learn?
•
Maybe photos, social network, gang affiliation
•
Who else lives in the house? Use of force
considerations?
•
Who may have permission to be there?
Web crawling
•
Use police reports to
search for more
information sources
•
Relevant information is
stored to provide a
deeper context for
crime analysis
Searching crime data
•
•
Advanced Full-Text Search
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Crime type: location, officer, time, victim, offenders,
arrested
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Offender search: offender’s age, eye color, height,
etc.
Search Results Visualization
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Heat Map with time and location
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Links to related news and reports
google visualization api
Google visualization api
Data mining
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What can we learn about crime?
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Important Data
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Police Reports - incidents, crime summary, location,
offender, charge, arrest, officer
•
Media - pictures, description, commentary
•
Complaints - calls to Met cad, location, social
networks
Crimes overall
crime rates for a day
grid based distribution
where & When
•
Burglary
&
Theft
Market Place Mall Shopping Center (2000 North Neil Street)
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85.61% of crime is burglary/theft
•
between Wednesday to Saturday
•
1PM to 7PM
•
•
Walmart Super Center (2610 N Prospect Ave)
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76.06% of crime is burglary/theft
•
equally distributed over the week
1PM to 7PM
crime rate
On Green St.
Type
Percentage
Burglary &
Theft
45.39% (34.93%
avg.)
Deceptive
Practices
9.8%(6.71% avg.)
Criminal
Damage
25% (21.19% avg.)
hotspots for major crimes
Interaction
•
Allows users to take
crime data with them
•
Proximity-based crime
search
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Safest route vs shortest
route
next steps
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Suggest safest route
based on crime data by
using Google Maps API
•
Crowd Sourcing
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MetCad
Conclusion
•
Aims to study crime patterns from a variety of sources
•
Provide real-time information about where crime is
occurring
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Predict where it is likely to occur in the future