Jacob Ratkiewicz

Computational social scientist and computer scientist at Indiana University's Center for Complex Networks and Systems Research. Works on information diffusion, misinformation detection, and network analysis in social media, with particular focus on detecting coordinated inauthentic behavior and astroturfing campaigns.

Sources in this wiki

• Detecting and Tracking the Spread of Astroturf Memes in Microblog Streams

Topics

• Astroturfing, Coordinated inauthentic behavior, Information diffusion in social networks, Social Bot Detection

Notes

Lead author of the Truthy system for detecting political astroturfing on Twitter. The system combines network topology analysis, sentiment analysis, and crowdsourced annotation to identify orchestrated deceptive campaigns.