Information Visualization for Knowledge Discovery Ben Shneiderman [email protected]@benbendc Founding Director (1983-2000), Human-Computer Interaction Lab Professor, Department of Computer Science Member, Institute for Advanced Computer Studies College Park, MD 20742
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Preparation• Own the problem & define the schedule• Data cleaning & conditioning• Handle missing & uncertain data• Extract subsets & link to related information
NodeXL: Network Overview for Discovery & Exploration in Excel
www.codeplex.com/nodexl
NodeXL: Network Overview for Discovery & Exploration in Excel
www.codeplex.com/nodexl
NodeXL: Import Dialogs
www.codeplex.com/nodexl
Tweets at #WIN09 Conference: 2 groups
WWW2010 Twitter Community
WWW2011 Twitter Community: Grouped
CHI2010 Twitter Community
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Flickr clusters for “mouse”
Computer Mickey
Animal
Flickr networks
‘GOP’ tweets, clustered (red-Republicans)
PatentTech
SBIR (federal)
PA DCED (state)Related patent
2: Federal agency3: Enterprise
5: Inventors
9: Universities
10: PA DCED
11/12: Phil/Pitt metro cnty
13-15: Semi-rural/rural cnty
17: Foreign countries
19: Other states
Pittsburgh Metro
Westinghouse Electric
Pharmaceutical/Medical
No Location Philadelphia
Navy
PatentTech
SBIR (federal)
PA DCED (state)Related patent
2: Federal agency
3: Enterprise
5: Inventors
9: Universities
10: PA DCED
11/12: Phil/Pitt metro cnty
13-15: Semi-rural/rural cnty
17: Foreign countries
19: Other states
Pittsburgh Metro
Westinghouse Electric
Pharmaceutical/Medical
No Location Philadelphia
Navy
Innovation Clusters: People, Locations, Companies
Analyzing Social Media Networks with NodeXL
I. Getting Started with Analyzing Social Media Networks 1. Introduction to Social Media and Social Networks 2. Social media: New Technologies of Collaboration 3. Social Network Analysis
II. NodeXL Tutorial: Learning by Doing 4. Layout, Visual Design & Labeling 5. Calculating & Visualizing Network Metrics 6. Preparing Data & Filtering 7. Clustering &Grouping
III Social Media Network Analysis Case Studies 8. Email 9. Threaded Networks 10. Twitter 11. Facebook 12. WWW 13. Flickr 14. YouTube 15. Wiki Networks
Researchers who want to - create open tools - generate & host open data - support open scholarship
Map, measure & understand social media
Support tool projects to collection, analyze & visualize social media data.
smrfoundation.org
UN Millennium Development Goals
• Eradicate extreme poverty and hunger• Achieve universal primary education• Promote gender equality and empower women• Reduce child mortality• Improve maternal health• Combat HIV/AIDS, malaria and other diseases• Ensure environmental sustainability• Develop a global partnership for development
To be achieved by 2015
29th Annual SymposiumMay 23-24, 2012
www.cs.umd.edu/hcil
For More Information
• Visit the HCIL website for 400 papers & info on videos www.cs.umd.edu/hcil
• Conferences & resources: www.infovis.org
• See Chapter 14 on Info Visualization Shneiderman, B. and Plaisant, C., Designing the User Interface: Strategies for Effective Human-Computer Interaction: Fifth Edition (2010) www.awl.com/DTUI
• Edited Collections: Card, S., Mackinlay, J., and Shneiderman, B. (1999) Readings in Information Visualization: Using Vision to Think Bederson, B. and Shneiderman, B. (2003) The Craft of Information Visualization: Readings and Reflections