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Awalin Sopan, P.J. Rey, Jae- wook Ahn , Catherine Plaisant, Alan Neustadtl, Ben Shneiderman

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.

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Awalin Sopan, P.J. Rey, Jae- wook Ahn , Catherine Plaisant, Alan Neustadtl, Ben Shneiderman

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  1. The Dynamics of Web-Based Community Safety Groups: Lessons Learned from the Nation of Neighbors Awalin Sopan, P.J. Rey, Jae-wookAhn, Catherine Plaisant, Alan Neustadtl, Ben Shneiderman @awalinsopan Human-Computer Interaction Lab, University of Maryland

  2. Watch Jefferson County Community members Collaboration Law Enforcement Success

  3. Online neighborhood crime watch platform. • Members sharing neighborhood crime information. • Report • Post, Reply • Invite, Accept Nation of Neighbors

  4. Nation of Neighbors Website

  5. NoN Reporting Interface

  6. Community Managers Social Scientists Computer Scientists Combined Forces

  7. What constitutes a successful community ? • Who are theinfluential members ? • How does the community dynamicschange over time? Research Questions

  8. Brainstorm with community manager. • Define metrics to assess the communities: • Active Months • Number of Members • Total Activity • Interaction Intensity • Integrate the metrics in ManyNets. 1. Successful Communities

  9. Communities in ManyNets members

  10. Communities in ManyNets activities

  11. Communities in ManyNets Interaction Intensity

  12. Distribution of Activity type Invitation Report Activities in Communities All Communities Successful Communities

  13. Fewer members, more invitations. - New communities focus on recruiting members. More members, more reports. 22% of participation were anonymous. Activities in Communities

  14. 2. Influential People Leaders: Highly active members Contributing to a large portion of the total activity.

  15. 2. Influential People Distribution of Activity types of leaders Invitation Leaders invite new people to community.

  16. Regression analysis result Leaders and Growth

  17. Regression analysis result Leaders and Non-leaders

  18. Leaders make Difference Existence of leaders increases participation of members and growth of community. 16 communities have leaders. None of them has any Law Enforcement official.

  19. 3. Dynamics over Time • Sort activities from a community into bins by month. • Display monthly activities on separate rows.

  20. 3. Dynamics over Time Time Reports became the most prevalent activity over time. Invitation decreased over time.

  21. Take Away Messagesfor Community Managers Leaders Successful community Reports Promote leadership among citizens Integrate with popular social media Visual analytics to understand communities

  22. We cordially thank Art Hanson, Nation of Neighbor • NSF (grant # IIS - 0968521) http://www.cs.umd.edu/hcil/NON/ awalin@cs.umd.edu

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