awalin sopan, p.j. rey, jae- wook ahn , catherine plaisant, alan neustadtl, ben shneiderman
DESCRIPTION
The Dynamics of Web-Based Community Safety Groups: Lessons Learned from the Nation of Neighbors. Awalin Sopan, P.J. Rey, Jae- wook Ahn , Catherine Plaisant, Alan Neustadtl, Ben Shneiderman. @ awalinsopan Human-Computer Interaction Lab, University of Maryland. Watch Jefferson County. - PowerPoint PPT PresentationTRANSCRIPT
The Dynamics of Web-Based Community Safety Groups: Lessons Learned from the
Nation of Neighbors
Awalin Sopan, P.J. Rey, Jae-wook Ahn,
Catherine Plaisant, Alan Neustadtl, Ben Shneiderman
@awalinsopanHuman-Computer Interaction Lab, University of Maryland
Watch Jefferson CountyCommunity members
Law Enforcement
Collaboration
Success
Nation of NeighborsOnline neighborhood crime watch platform.Members sharing neighborhood crime information.
ReportPost, ReplyInvite, Accept
Nation of Neighbors Website
NoN Reporting Interface
Computer Scientists
Social Scientists
Community Managers
Combined Forces
1. What constitutes a successful community ?
2. Who are the influential members ?
3. How does the community dynamics change over time?
Research Questions
1. Successful CommunitiesBrainstorm with community manager.
Define metrics to assess the communities: • Active Months• Number of Members• Total Activity• Interaction Intensity
Integrate the metrics in ManyNets.
Communities in ManyNets
members
Communities in ManyNets
activities
Communities in ManyNets
Interaction Intensity
Activities in Communities
Invitation Report
Distribution of Activity type
All Communities Successful Communities
Fewer members, more invitations.- New communities focus on recruiting members.
More members, more reports.
22% of participation were anonymous.
Activities in Communities
2. Influential PeopleLeaders: Highly active members
Contributing to a large portion of the total activity.
2. Influential People
Leaders invite new people to community.
Invitation
Distribution of Activity types of leaders
Leaders and Growth
No of Leaders Member growth per month
0 0.61 2.72 5.5
Regression analysis result
Leaders and Non-leadersNon-leadersPost
Non-leaders Report
Non-leaders Invites
Non-leaders mean activity per month
Leaders Post 1.0Leaders Report 2.7
Leaders Invites 1.1
Number of Leaders
2.7
Regression analysis result
Existence of leaders increases participation of members and growth of community.
16 communities have leaders. None of them has any Law Enforcement official.
Leaders make Difference
Sort activities from a community into bins by month.
Display monthly activities on separate rows.
3. Dynamics over Time
3. Dynamics over Time
Reports became the most prevalent activity over time. Invitation decreased over time.
Tim
e
Take Away Messages for Community Managers
Leaders
Reports
Promote leadership
among citizens
Successfulcommunity
Integrate with popular social
media
Visual analytics to understand communities
We cordially thankArt Hanson, Nation of Neighbor
NSF (grant # IIS - 0968521)
http://www.cs.umd.edu/hcil/NON/[email protected]