Filippo Menczer

Filippo Menczer

Director, Observatory on Social Media

Member, Center for Complex Networks and Systems Research

Member, IU Network Science Institute

Member, Cognitive Science Program

Professor, Informatics

Professor, Computer Science

Adjunct Professor, Physics


Research interests

Information diffusion in complex information and techno-social networks. Agent-based models and data analytic methods to study the online spread of mis/disinformation. Tools to detect and counter the manipulation of social media.


  • ACM Distinguished Scientist

Representative publications

Social phishing (2007)
Tom N Jagatic, Nathaniel A Johnson, Markus Jakobsson and Filippo Menczer
Communications of the ACM, 50 (10), 94-100

Political polarization on Twitter (2011)
Michael Conover, Jacob Ratkiewicz, Matthew R Francisco, Bruno Gonçalves, Filippo Menczer and Alessandro Flammini
Proc. 5th International AAAI Conference on Weblogs and Social Media (ICWSM), 89-96

The rise of social bots (2016)
E. Ferrara, O. Varol, C. Davis, F. Menczer, A. and Flammini
Communicationa of the ACM, 59 (7), 96-104

Truthy: mapping the spread of astroturf in microblog streams (2011)
Jacob Ratkiewicz, Michael Conover, Mark Meiss, Bruno Gonçalves, Snehal Patil, Alessandro Flammini ...
ACM. 249-252

Predicting the political alignment of twitter users (2011)
Michael D Conover, Bruno Gonçalves, Jacob Ratkiewicz, Alessandro Flammini and Filippo Menczer
IEEE. 192-199

Detecting and Tracking Political Abuse in Social Media (2011)
Jacob Ratkiewicz, Michael Conover, Mark R Meiss, Bruno Gonçalves, Alessandro Flammini and Filippo Menczer
Proc. 5th International AAAI Conference on Weblogs and Social Media (ICWSM), 297-304

Competition among memes in a world with limited attention (2012)
Lilian Weng, Alessandro Flammini, Alessandro Vespignani and Fillipo Menczer
Scientific reports, 2 335

The science of fake news (2018)
David MJ Lazer, Matthew A Baum, Yochai Benkler, Adam J Berinsky, Kelly M Greenhill, Filippo Menczer ...
Science, 359 (6380), 1094-1096

Virality prediction and community structure in social networks (2013)
Lilian Weng, Filippo Menczer and Yong-Yeol Ahn
Scientific reports, 3 2522

Topical web crawlers: Evaluating adaptive algorithms (2004)
Filippo Menczer, Gautam Pant and Padmini Srinivasan
ACM Transactions on Internet Technology (TOIT), 4 (4), 378-419

Feature selection in unsupervised learning via evolutionary search (2000)
YeongSeog Kim, W Nick Street and Filippo Menczer

Evaluating similarity measures for emergent semantics of social tagging (2009)
Benjamin Markines, Ciro Cattuto, Filippo Menczer, Dominik Benz, Andreas Hotho and Gerd Stumme
ACM. 641-650

Online human-bot interactions: Detection, estimation, and characterization (2017)
Onur Varol, Emilio Ferrara, Clayton A Davis, Filippo Menczer and Alessandro Flammini

Evaluating topic-driven web crawlers (2001)
Filippo Menczer, Gautam Pant, Padmini Srinivasan and Miguel E Ruiz
ACM. 241-249

Botornot: A system to evaluate social bots (2016)
Clayton Allen Davis, Onur Varol, Emilio Ferrara, Alessandro Flammini and Filippo Menczer
International World Wide Web Conferences Steering Committee. 273-274

Dissertation Committee Service

Author Dissertation Title Committee
Laine, Tei Agent-Based Model Selection Framework For Complex Adaptive Systems (August 2006) Menczer, F. (Chair), Gasser, M., Busemeyer, J., Janssen, M.