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Interoperability of a Social Media Observatory
Karissa McKelveyAnd Filippo Menczer
Center for Complex Networks and Systems ResearchSchool of Informatics and Computing
Indiana University, Bloomington
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Can we use social media as laboratories for social
science?
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Political Polarization on Twitter Michael Conover, Jacob Ratkiewicz, Bruno Gonçalves, Alessandro Flammini & Filippo Menczer International Conference on Weblogs and Social Media 2011
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Competition for attention
Competitions among topics in a world with limited attention Nature Scientific Report, 2012. Lilian Weng, Alessandro Flammini, Alessandro Vespignani and Filippo Menczer.
#jan25
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More Tweets, More Votes
DiGrazia, Joseph, McKelvey, Karissa, Bollen, Johan and Rojas, Fabio. More Tweets, More Votes: Social Media as a Quantitative Indicator of Political Behavior (February 21, 2013). Available at SSRN: http://ssrn.com/abstract=2235423 or http://dx.doi.org/10.2139/ssrn.2235423
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astroturf
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Data “mine” ing
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Data “ours” ing
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truthy.indiana.edu
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Infrastructure
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Infrastructure
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Data Collection
• Twitter Streaming API
• August, 2010 – present
• 5TB Compressed
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Real-Time Filtering
• Past 90 days
• US Politics 2012, Social Movements, News
• MySQL database + website
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Infrastructure
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Model
• Events– Post on a social media site
• Users– Actors in the post– Sender, receiver, forwarder, etc
• Meme– Discernable unit of information transfer
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Meme
Hashtag
User
URL
Phrase
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Building the Network
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Retweet (forward) Mention (conversation)
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celebrities
spam
astroturf
politics
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politics
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#tcot
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celebrities
politics
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@barackobama
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celebrities
spam
astroturf
politics
25
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@bek_rt
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Infrastructure
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truthy.indiana.edu
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Infrastructure
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API & Website
• Filterable and searchable interface to find memes of interest
• Endpoints for users to access data programmatically
• Visualizations (saw earlier)
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Further Thoughts
• Potential uses:– Pedagogy– Prototyping– Research
• Terms of Service– Tweet text– Derived Data
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ThanksPapers at cnets.indiana.edu/groups/nan/truthy
Sandro Flammini
Bruno Conçalves
Jacob Ratkiewicz
Lilian Weng
Mike Conover
Johan Bollen
Przemek Grabowicz
Mark Meiss
Alex Vespignani
Alex Rudnick
Luca Aiello
Filippo Menczer