Xiaodan Lou, Alessandro Flammini, Filippo Menczer

Information Pollution by Social Bots

Under Review

Kazutoshi Sasahara, Wen Chen, Hao Peng, Giovanni Luca Ciampaglia, Alessandro Flammini, Filippo Menczer

On the Inevitability of Online Echo Chambers

Under Review

Kai-Cheng Yang, Onur Varol, Pik-Mai Hui, Filippo Menczer

Scalable and Generalizable Social Bot Detection through Data Selection

Proc. 34th AAAI Conf. on Artificial Intelligence (AAAI), 2020

Pik-Mai Hui, Kai-Cheng Yang, Christopher Torres-Lugo, Zachary Monroe, Marc McCarty, Benjamin D. Serrette, Valentin Pentchev, Filippo Menczer

BotSlayer: real-time detection of bot amplification on Twitter

Journal of Open Source Software, 4(42), 1706, 2019

Kai-Cheng Yang, Pik-Mai Hui, Filippo Menczer

Bot Electioneering Volume: Visualizing Social Bot Activity During Elections

Companion Proc. of the World Wide Web Conference, 2019

J. Blythe, E. Ferrara, D. Huang, K. Lerman, G. Muric, A. Sapienza, A. Tregubov, D. Pacheco, J. Bol- lenbacher, A. Flammini, P.-M. Hui, F. Menczer

The DARPA SocialSim Challenge: Massive Multi-Agent Simulations of the Github Ecosystem

Proc. 18th International Conference on Autonomous Agents and Multiagent Systems (AAMAS), pp. 1835-1837, 2019

J. Blythe, J. Bollenbacher, D. Huang, P.-M. Hui, R. Krohn, D. Pacheco, G. Muric, A. Sapienza, A. Tregubov, Y.-Y. Ahn, A. Flammini, K. Lerman, F. Menczer, T. Weninger, E. Ferrara

Massive Multi-agent Data-Driven Simulations of the GitHub Ecosystem

Advances in Practical Applications of Survivable Agents and Multi-Agent Systems: The PAAMS Collection, LNCS 11523, pages 3–15, 2019

Kai-Cheng Yang, Onur Varol, Clayton A. Davis, Emilio Ferrara, Alessandro Flammini, Filippo Menczer

Arming the public with artificial intelligence to counter social bots

Human Behavior and Emerging Technologies 2019: e115

Dimitar Nikolov, Mounia Lalmas, Alessandro Flammini, Filippo Menczer

Quantifying Biases in Online Information Exposure

Journal of the Association for Information Science and Technology 70(3): 218-229, 2019

Chengcheng Shao, Giovanni Luca Ciampaglia, Onur Varol, Kai-Cheng Yang, Alessandro Flammini, Filippo Menczer

The spread of low-credibility content by social bots

Nature Communications 9: 4787, 2018

David Lazer, Matthew Baum, Yochai Benkler, Adam Berinsky, Kelly Greenhill, Filippo Menczer, Miriam Metzger, Brendan Nyhan, Gordon Pennycook, David Rothschild, Michael Schudson, Steven Sloman, Cass Sunstein, Emily Thorson, Duncan Watts, Jonathan Zittrain

The science of fake news

Science 359 (6380): 1094-1096, 2018

Giovanni Luca Ciampaglia, Azadeh Nematzadeh, Filippo Menczer, Alessandro Flammini

How algorithmic popularity bias hinders or promotes quality

Scientific Reports 8: 15951, 2018

Chengcheng Shao, Pik-Mai Hui, Lei Wang, Xinwen Jiang, Alessandro Flammini, Filippo Menczer, Giovanni Luca Ciampaglia

Anatomy of an online misinformation network

PLoS ONE 13(4): e0196087, 2018

Ciampaglia, G. L.; Mantzarlis, A.; Maus, G.; and Menczer, F.

Research Challenges of Digital Misinformation: Toward a Trustworthy Web

AI Magazine, 39(1): 65--74. 2018

Onur Varol, Clayton A. Davis, Filippo Menczer, and Alessandro Flammini

Feature Engineering for Social Bot Detection

Feature Engineering for Machine Learning and Data Analytics, ed. by Guozhu Dong and Huan Liu, chapter 12, pp. 311-334, Chapman and Hall/CRC Press, 2018

Pik-Mai, H.; Shao, C.; Flammini, A.; Menczer, F.; and Ciampaglia, G.L.

The Hoaxy Misinformation and Fact-Checking Diffusion Network

Proc. AAAI Intl. Conf. on Web and Social Media (ICWSM), 2018

Prashant Shiralkar, Alessandro Flammini, Filippo Menczer, Giovanni Luca Ciampaglia

Finding Streams in Knowledge Graphs to Support Fact Checking

IEEE International Conference on Data Mining (ICDM), pp. 859-864, 2017

Jelani Ince, Fabio Rojas, and Clayton A Davis

The social media response to Black Lives Matter: how Twitter users interact with Black Lives Matter through hashtag use

Ethnic and Racial Studies 40: 11, 2017

Xiaoyan Qiu, Diego F. M. Oliveira, Alireza Sahami Shirazi, Alessandro Flammini, Filippo Menczer

Limited individual attention and online virality of low-quality information

Nature Human Behavior 1: 0132, 2017

Onur Varol, Emilio Ferrara, Filippo Menczer, Alessandro Flammini

Early detection of promoted campaigns on social media

EPJ Data Science 6: 13, 2017

Varol, O.; Ferrara, E.; Davis, C.; Menczer, F.; and Flammini, A.

Online Human-Bot Interactions: Detection, Estimation, and Characterization

Proc. AAAI Intl. Conf. on Web and Social Media (ICWSM), 2017

Davis CA, Ciampaglia GL, Aiello LM, Chung K, Conover MD, Ferrara E, Flammini A, Fox GC, Gao X, Gonçalves B, Grabowicz PA, Hong K, Hui P, McCaulay S, McKelvey K, Meiss MR, Patil S, Peli Kankanamalage C, Pentchev V, Qiu J, Ratkiewicz J, Rudnick A, Serrette B, Shiralkar P, Varol O, Weng L, Wu T, Younge AJ, Menczer F.

OSoMe: The IUNI Observatory on Social Media

PeerJ Computer Science 2: e87, 2016

Ferrara, E.; Varol, O.; Davis, C.; Menczer, F.; and Flammini, A.

The Rise of Social Bots

Comm. ACM 57(7): 96-104, 2016

Subrahmanian, V.; Azaria, A.; Durst, S.; Kagan, V.; Galstyan, A.; Lerman, K.; Zhu, L.; Ferrara, E.; Flammini, A.; Menczer, F.; and others

The DARPA Twitter Bot Challenge

IEEE Computer 49(6): 38-46, 2016

Emilio Ferrara, Onur Varol, Alessandro Flammini, and Filippo Menczer

Detection of Promoted Social Media Campaigns

Proc. Tenth International AAAI Conference on Web and Social Media (ICWSM), 2016

Wu, T.; Zhang, B.; Davis, C. A.; Ferrara, E.; Flammini, A.; Menczer, F.; and Qiu, J.

Scalable Query and Analysis for Social Networks: An Integrated High-Level Dataflow System with Pig and Harp

Big Data in Complex and Social Networks. Chapman and Hall/CRC, 2016.

C. Shao, G. L. Ciampaglia, A. Flammini and F. Menczer.

Hoaxy: A Platform for Tracking Online Misinformation

Proc. Third Workshop on Social News On the Web (SNOW), WWW 2016

C. A. Davis, O. Varol, E. Ferrara, A. Flammini and F. Menczer.

BotOrNot: A system to evaluate social bots

Proc. WWW Developers Day Workshop, 2016

Dimitar Nikolov, Diego F.M. Oliveira, Alessandro Flammini, Filippo Menczer.

Measuring online social bubbles

PeerJ Computer Science 1:e38, 2015

Jaehyuk Park, Giovanni Luca Ciampaglia, Emilio Ferrara.

Style in the Age of Instagram: Predicting Success within the Fashion Industry using Social Media

Proc. 19th ACM Conf. on Computer-Supported Cooperative Work and Social Computing (CSCW), 2016

Emilio Ferrara, Zeyao Yang.

Measuring Emotional Contagion in Social Media

PLoS ONE 10(11): e0142390, 2015

Emilio Ferrara, Zeyao Yang.

Quantifying the effect of sentiment on information diffusion in social media

PeerJ Computer Science 1:e26, 2015

Giovanni Luca Ciampaglia, Prashant Shiralkar, Luis M. Rocha, Johan Bollen, Filippo Menczer, Alessandro Flammini.

Computational fact checking from knowledge networks

PLoS ONE 10(6): e0128193, 2015

Bratislav Mišić, Richard F. Betzel, Azadeh Nematzadeh, Joaquin Goñi, Alessandra Griffa, Patric Hagmann, Alessandro Flammini, Yong-Yeol Ahn, Olaf Sporns.

Cooperative and Competitive Spreading Dynamics on the Human Connectome

Neuron, 86 (6): 1518-1529, 2015

Marcella Tambuscio, Giancarlo Ruffo, Alessandro Flammini, Filippo Menczer.

Fact-checking Effect on Viral Hoaxes: A Model of Misinformation Spread in Social Networks

Companion Proceedings of the 24th International Conference on World Wide Web, pp. 977-982, 2015

Lilian Weng, Filippo Menczer, Alessandro Flammini.

Online interactions.

Social Phenomena: From Data Analysis to Models, edited by B. Gonçalves and N. Perra, Springer, pp. 99–116, 2015

Giovanni Luca Ciampaglia, Alessandro Flammini, Filippo Menczer.

The production of information in the attention economy

Nature Sci. Rep. 5: 9452, 2015

Dong X, Bollen J.

Computational Models of Consumer Confidence from Large-Scale Online Attention Data: Crowd-Sourcing Econometrics.

PLoS ONE 10(3): e0120039, 2015

Lilian Weng, Filippo Menczer.

Topicality and Social Impact: Diverse Messages but Focused Messengers.

PLoS ONE 10(2): e0118410, 2015

Gao, X., Emilio Ferrara, Judy Qiu.

Parallel Clustering of High-Dimensional Social Media Data Streams.

Proceedings of the 15th IEEE/ACM International Symposium on Cluster, Cloud and Grid Computing (CCGrid). Shenzhen, Guangdong, China, May 4-7, 2015

Mohsen JafariAsbagh, Emilio Ferrara, Onur Varol, Filippo Menczer, Alessandro Flammini.

Clustering memes in social media streams.

Social Network Analysis and Mining 4 (1): 237, 2014

Przemyslaw A. Grabowicz, Luca Maria Aiello, Filippo Menczer.

Fast filtering and animation of large dynamic networks.

EPJ Data Science 3(1), 2014

Azadeh Nematzadeh, Emilio Ferrara, Alessandro Flammini, Yong-Yeol Ahn.

Optimal network modularity for information diffusion.

Phys. Rev. Lett. 113, 088701, 2014

Lilian Weng, Filippo Menczer, Yong-Yeol Ahn.

Predicting Meme Virality in Social Networks using Network and Community Structure.

Proc. 8th AAAI Intl. Conf. on Weblogs and Social Media (ICWSM), 2014.

O Varol, E Ferrara, C Ogan, F Menczer and A Flammini.

Evolution of online user behavior during a social upheaval.

Proc. ACM Web Science Conference, 2014 (BEST PAPER AWARD)

Moriano, P; Ferrara, E; Flammini, A; Menczer, F

Dissemination of scholarly literature in social media.

Altmetrics’14 Workshop, 2014

R Fulper, GL Ciampaglia, E Ferrara, F Menczer, YY Ahn, A Flammini, B Lewis and K Rowe

Misogynistic Language on Twitter and Sexual Violence.

CHASM Workshop, 2014

X. Gao, E. Roth, K. McKelvey, C. Davis, A. Younge, E. Ferrara, F. Menczer, J. Qiu

Supporting a Social Media Observatory with Customizable Index Structures — Architecture and Performance.

In Cloud Computing for Data Intensive Applications, Springer, 2014

S. Liu, N. Perra, M. Karsai, A. Vespignani

Controlling contagion processes in activity-driven networks.

Physical Review Letter, 112:118702, 2014

M Karsai, N Perra, and A Vespignani

Time varying networks and the weakness of strong ties.

Nature Sci. Rep. 4: 4001, 2014

Gao, X., Qiu. J.

Supporting Queries and Analyses of Large-Scale Social Media Data with Customizable and Scalable Indexing Techniques over NoSQL Databases.

Proceedings of the 14th IEEE/ACM International Symposium on Cluster, Cloud and Grid Computing (CCGrid). Chicago, IL, USA, May 26-29, 2014

L. Weng, F. Menczer, and Y.-Y. Ahn

Virality Prediction and Community Structure in Social Networks.

Nature Sci. Rep. 3: 2522, 2013

E. Ferrara, O. Varol, F. Menczer, and A. Flammini

Traveling Trends: Social Butterflies or Frequent Fliers?

Proc. 1st ACM Conf. on Online Social Networks (COSN), pages 213–222, 2013

L. Weng and F. Menczer

Computational analysis of collective behaviors via agent-based modeling.

In P. Michelucci, editor, Handbook of Human Computation, pages 761–767. Springer, 2013

J DiGrazia, K McKelvey, J Bollen, and F Rojas

More Tweets, More Votes: Social Media as a Quantitative Indicator of Political Behavior.

PLoS ONE 8(11): e79449, 2013

L Weng, J Ratkiewicz, N Perra, B Goncalves, C Castillo, F Bonchi, R Schifanella, F Menczer, A Flammini.

The role of information diffusion in the evolution of social networks.

Proc. 19th ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD), 2013.

Emilio Ferrara, Mohsen JafariAsbagh, Onur Varol, Vahed Qazvinian, Filippo Menczer, and Alessandro Flammini.

Clustering Memes in Social Media.

Proc. IEEE/ACM Intl. Conf. on Advances in Social Networks Analysis and Mining (ASONAM), 2013.

Huina Mao, Xin Shuai, Yong-Yeol Ahn, Johan Bollen.

Mobile Communications Reveal the Regional economy in Côte D’Ivoire.

Proc. NetMob 2013, May 1-3, MIT (Cambridge, MA)

Q Zhang, N Perra, B Gonçalves, F Ciulla, and A Vespignani.

Characterizing scientific production and consumption in Physics

Nature Sci. Rep., 3: 1640, 2013

M Conover, E Ferrara, F Menczer, and A Flammini.

The Digital Evolution of Occupy Wall Street.

PLoS ONE, (8)5:e64679, 2013.

D Mocanu, A Baronchelli, N Perra, B Gonçalves, Q Zhang, et al.

The Twitter of Babel: Mapping World Languages through Microblogging Platforms.

PLoS ONE, (8)4: e61981, 2013.

McKelvey, K. Menczer, F.

Interoperability of Social Media Observatories.

Web Science 2013, Web Observatory Workshop, May 5 2013.

McKelvey, K. Menczer, F.

Design and Prototyping of a Social Media Observatory.

WWW 2013, Web Observatory Workshop, May 17 2013.

Conover MD, Davis C, Ferrara E, McKelvey K, Menczer F, Flammini A.

The Geospatial Characteristics of a Social Movement Communication Network.

PLoS ONE 8(3): e55957, 2013.

K. McKelvey, F. Menczer.

Truthy: Enabling the Study of Online Social Networks.

CSCW 2013 Demonstration, 25 February 2013.

M. Conover, B. Goncalves, A. Flammini, and F. Menczer.

Partisan Asymmetries in Online Political Activity.

EPJ Data Science (1)6 18 June 2012.

Gao, X., Qiu. J.

Social Media Data Analysis with IndexedHBase and Iterative MapReduce.

Proceedings of the 6th Super Computing Workshop on Many-Task Computing on Clouds, Grids, and Supercomputers (MTAGS). Denver, CO, USA, 2013

L. Weng, A. Flammini, A. Vespignani, and F. Menczer.

Competition among memes in a world with limited attention.

Nature Sci. Rep., 2: 335, 2012.

A. Vespignani.

Modeling Dynamical Processes in Complex Socio-technical Systems.

Nature Physics, 8, 32-39, 2012.

Karissa McKelvey, Alex Rudnick, Michael Conover, and Filippo Menczer.

Visualizing Communication on Social Media: Making Big Data Accessible.

Proc. CSCW Workshop on Collective Intelligence as Community Discourse and Action, 2012.

Huina Mao, Scott Counts, Johan Bollen.

Computational Economic and Finance Gauges: Polls, Search, and Twitter.

Meeting of the National Bureau of Economic Research – Behavioral Finance Meeting, Stanford, CA, November 5th, 2011

Jacob Ratkiewicz, Michael Conover, Mark Meiss, Bruno Goncalves, Alessandro Flammini, and Filippo Menczer.

Detecting and Tracking Political Abuse in Social Media.

Proc. 5th International AAAI Conference on Weblogs and Social Media (ICWSM), 2011.

Johan Bollen, Alberto Pepe, Huina Mao.

Modeling public mood and emotion: Twitter sentiment and socio-economic phenomena.

Proc. 5th International AAAI Conference on Weblogs and Social Media (ICWSM), 2011

Michael Conover, Jacob Ratkiewicz, Matthew Francisco, Bruno Goncalves, Alessandro Flammini, and Filippo Menczer.

Political Polarization on Twitter.

Proc. 5th International AAAI Conference on Weblogs and Social Media (ICWSM), 2011.

Conover, B Goncalves, J Ratkiewicz, A Flammini, and F Menczer.

Predicting the Political Alignment of Twitter Users.

Proceedings of IEEE Third International Conference on Social Computing (SocialCom), 2011.

Johan Bollen, Huina Mao.

Twitter Mood as a Stock Market Predictor.

IEEE Computer, 44(10): 91-94, October 2011.

Johan Bollen, Bruno Gonçalves, Guangchen Ruan, Huina Mao.

Happiness is assortative in online social networks.

Artificial Life 17(3), 237-251, 2011

Jacob Ratkiewicz, Michael Conover, Mark Meiss, Bruno Gonçalves, Snehal Patil, Alessandro Flammini, and Filippo Menczer.

Truthy: Mapping the Spread of Astroturf in Microblog Streams.

Proc. 20th Intl. World Wide Web Conf. Companion (WWW), 2011.

Husted, N., Myers, S., Dhiman, M., Jakobsson, M., Gonçalves, B., Conover, M. and Menczer, F.

The Internet and the Physical World

In Markus Jakobsson (Ed.), The Death of The Internet, Wiley, 2012.

L. Weng, A. Flammini, and F. Menczer.

An Information Propagation Model Based on User Interests.

In H. Sayama, A. Minai, D. Braha, and Y. Bar-Yam (Eds.), Unifying Themes in Complex Systems Volume VIII: Proc. 8th International Conference on Complex Systems (ICCS), 2011.