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Charting Collections of Connections in Social Media: Creating Visualizations with NodeXL

Charting Collections of Connections in Social Media: Creating Visualizations with NodeXL. Cody Dunne cdunne@cs.umd.edu Philip Merrill College of Journalism Colloquium October 22, 2012, College Park, MD. My Background. Why Visualization?. Networks. Edge List. Adjacency Matrix.

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Charting Collections of Connections in Social Media: Creating Visualizations with NodeXL

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  1. Charting Collections of Connections in Social Media: Creating Visualizations with NodeXL Cody Dunne cdunne@cs.umd.edu Philip Merrill College of Journalism Colloquium October 22, 2012, College Park, MD.

  2. My Background

  3. Why Visualization?

  4. Networks

  5. Edge List Adjacency Matrix

  6. Who Uses Network Analysis

  7. Gephi Pajek Cytoscape

  8. What is Social Media?

  9. Social Media is all about connections from people to people.

  10. Patterns are left behind

  11. Internet Verbs! There are many kinds of ties…. Like, Link, Reply, Rate, Review, Favorite, Friend, Follow, Forward, Edit, Tag, Comment, Check-in… http://www.flickr.com/photos/stevendepolo/3254238329

  12. “Think Link”Nodes & Edges Is related to B A

  13. Strong ties

  14. Weak ties

  15. Robert Scoble’s Social Media “Star Fish” http://www.flickr.com/photos/dbarefoot/1814873464/sizes/o/

  16. Social Networks • History: from the dawn of time! • Jacob L. Moreno (1934)

  17. Why do can we find in Social Media?

  18. Hubs

  19. Bridges

  20. Clusters http://www.flickr.com/photos/library_of_congress/3295494976/sizes/o/in/photostream/

  21. Crowds http://www.flickr.com/photos/amycgx/3119640267/

  22. Why are these features important?

  23. Understanding information flow

  24. Organizations Data sources Goals Marketing Support Identify experts Identify key employees • Email • Message Boards • Blogs • Wikis • Document sharing • Activity streams

  25. Communities

  26. Welser, Howard T., Eric Gleave, Danyel Fisher, and Marc Smith. 2007. Visualizing the Signatures of Social Roles in Online Discussion Groups.The Journal of Social Structure. 8(2). Experts and “Answer People” Discussion people, Topic setters Discussion starters, Topic setters

  27. smrfoundation.org

  28. What we have done: Open Tools • YASNAT: NodeXL • Data providers (“spigots”) • FOSS

  29. NodeXL Collect data, Excel analysis, statistics, visualization, layout algorithms, filtering, clustering, attribute mapping…

  30. What we have done: Open Data NodeXLGraphGallery.org

  31. What we have done: Open Scholarship • Webshop 2011: NSF, Google, Intel • Webshop 2012: NSF, GRAND, Yahoo!, Google • Other Workshops: ICWSM12, NetSci, HyperText12, Cape Town, Yeungnam, Italy, dg.o

  32. What we have done: Open Scholarship

  33. Forthcoming, Sept 2010 http://nodexl.codeplex.com

  34. Introduction to NodeXL Like MSPaint™ for graphs. — the Community

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