The Global Twitter Heartbeat -- #tweetbeat

Videos

	Hurricane Sandy: View the Superstorm Through the Eyes of Twitter By filtering tweets that discuss the storm, get a first hand look at how the entire country was talking about the storm as it approached, made landfall, and took its course over the U.S. eastern seaboard.
	US Presidential Election 2012 on Twitter During the U.S. Presidential Election, Twitter reported 327,452 tweets per minute as news outlets began to predict an Obama victory. President Obama's victory tweet quickly became the most-retweeted message in history, setting the record in just 22 minutes after the tweet was posted. This heat map has adjusted the color spectrum to show the intensity and location of tweets favorable to either President Barack Obama or Governor Mitt Romney over the course of Election Day, from the first polls opening to after President Obama's victory speech.
	The Global Twitter Heartbeat — Analyzing real-time data on the SGI UV Hear Kalev Leetaru discuss how he went about constructing the data analysis pipeline, ingesting, analyzing and creating the visualizations on the SGI UV 2000.

Heat Maps of Sentiment on Twitter

Hurricane Sandy RED represents more Negative sentiment. BLUE represents more Positive sentiment. Download full resolution image (ZIP)	US Presidential Election 2012 RED represents tweets about Romney. BLUE represents tweets about Obama. Download full resolution image (ZIP)
US Sentiment from Live Twitter Feed RED represents more Negative sentiment. BLUE represents more Positive sentiment. Download full resolution image (ZIP)	Global Sentiment from Live Twitter Feed RED represents more Negative sentiment. BLUE represents more Positive sentiment. Download full resolution image (ZIP)

Graphs and Charts

Percentage of Tweets About Hurricane Sandy by Day During Hurricane Sandy, the project observed a huge increase amount of tweets discussing the weather event, as a percentage of overall tweets.

Credits

Kalev Leetaru, University of Illinois : http://www.kalevleetaru.com

About CIGI

• Shaowen Wang, Director
• Guofeng Cao, Leader of Visualization and Visual Analytics Group
• Anand Padmanabhan, Project Manager
• Eric Shook, Technical Lead

The CyberInfrastructure and Geospatial Information Laboratory (CIGI, http://www.cigi.illinois.edu) at the University of Illinois at Urbana-Champaign researches and develops cutting-edge cyberinfrastructure to advance geospatial sciences and technologies. Current research covers topics such as computationally intensive spatial analysis and modeling, CyberGIS, and cyberinfrastructure-based geospatial problem-solving environments and applications. CIGI includes a number of faculty, staff, and students from multiple institutions who have diverse disciplinary expertise such as Computational and Information Sciences, Computer Science, Environmental Science and Engineering, Geography, Hydrology, and Statistics. Dr. Shaowen Wang is CIGI founder and director.

About Gnip

Gnip is the world's largest provider of public social media data, serving customers in a range of industries from social media monitoring and business intelligence to finance and government. Gnip delivers more than 100 billion social data activities each month, providing unparalleled access to data from dozens of sources including Twitter, Tumblr, WordPress, Disqus and more. For more information, email info@gnip.com or visit http://gnip.com.

Images courtesy of Kalev Leetaru and CIGI