Savvas Zannettou

ORCID

Publication Activity (10 Years)

Years Active: 2015-2024
Publications (10 Years): 109

Top Venues

Publications

Mohamad Hoseini, Philipe de Freitas Melo, Fabrício Benevenuto, Anja Feldmann, Savvas Zannettou
Characterizing Information Propagation in Fringe Communities on Telegram. ICWSM (2024)
Boyang Zhang, Yicong Tan, Yun Shen, Ahmed Salem, Michael Backes, Savvas Zannettou, Yang Zhang
Breaking Agents: Compromising Autonomous LLM Agents Through Malfunction Amplification. CoRR (2024)
Moonis Ali, Savvas Zannettou
From Isolation to Desolation: Investigating Self-Harm Discussions in Incel Communities. ICWSM (2024)
Yiting Qu, Xinyue Shen, Yixin Wu, Michael Backes, Savvas Zannettou, Yang Zhang
UnsafeBench: Benchmarking Image Safety Classifiers on Real-World and AI-Generated Images. CoRR (2024)
Guilherme H. Resende, Luiz Felipe Nery, Fabrício Benevenuto, Savvas Zannettou, Flavio V. D. Figueiredo
A Comprehensive View of the Biases of Toxicity and Sentiment Analysis Methods Towards Utterances with African American English Expressions. CoRR (2024)
José Miguel Moreno, Sergio Pastrana, Jens Helge Reelfs, Pelayo Vallina, Savvas Zannettou, Andriy Panchenko, Georgios Smaragdakis, Oliver Hohlfeld, Narseo Vallina-Rodriguez, Juan Tapiador
Reviewing War: Unconventional User Reviews as a Side Channel to Circumvent Information Controls. ICWSM (2024)
Salim Chouaki, Abhijnan Chakraborty, Oana Goga, Savvas Zannettou
What News Do People Get on Social Media? Analyzing Exposure and Consumption of News through Data Donations. WWW (2024)
Philipe de Freitas Melo, Mohamad Hoseini, Savvas Zannettou, Fabrício Benevenuto
Don't Break the Chain: Measuring Message Forwarding on WhatsApp. ICWSM (2024)
Sepehr Mousavi, Krishna P. Gummadi, Savvas Zannettou
Auditing Algorithmic Explanations of Social Media Feeds: A Case Study of TikTok Video Explanations. ICWSM (2024)
Karan Vombatkere, Sepehr Mousavi, Savvas Zannettou, Franziska Roesner, Krishna P. Gummadi
TikTok and the Art of Personalization: Investigating Exploration and Exploitation on Social Media Feeds. WWW (2024)
Savvas Zannettou, Olivia Nemes Nemeth, Oshrat Ayalon, Angelica Goetzen, Krishna P. Gummadi, Elissa M. Redmiles, Franziska Roesner
Analyzing User Engagement with TikTok's Short Format Video Recommendations using Data Donations. CHI (2024)
Daniel Kansaon, Philipe de Freitas Melo, Savvas Zannettou, Anja Feldmann, Fabrício Benevenuto
Strategies and Attacks of Digital Militias in WhatsApp Political Groups. ICWSM (2024)
Karan Vombatkere, Sepehr Mousavi, Savvas Zannettou, Franziska Roesner, Krishna P. Gummadi
TikTok and the Art of Personalization: Investigating Exploration and Exploitation on Social Media Feeds. CoRR (2024)
Yiting Qu, Xinlei He, Shannon Pierson, Michael Backes, Yang Zhang, Savvas Zannettou
On the Evolution of (Hateful) Memes by Means of Multimodal Contrastive Learning. SP (2023)
Greta Jasser, Jordan McSwiney, Ed Pertwee, Savvas Zannettou
'Welcome to #GabFam': Far-right virtual community on Gab. New Media Soc. 25 (7) (2023)
Alexandros Efstratiou, Jeremy Blackburn, Tristan Caulfield, Gianluca Stringhini, Savvas Zannettou, Emiliano De Cristofaro
Non-polar Opposites: Analyzing the Relationship between Echo Chambers and Hostile Intergroup Interactions on Reddit. ICWSM (2023)
Yiting Qu, Xinyue Shen, Xinlei He, Michael Backes, Savvas Zannettou, Yang Zhang
Unsafe Diffusion: On the Generation of Unsafe Images and Hateful Memes From Text-To-Image Models. CoRR (2023)
Felipe González-Pizarro, Savvas Zannettou
Understanding and Detecting Hateful Content Using Contrastive Learning. ICWSM (2023)
Savvas Zannettou, Olivia-Nemes Nemeth, Oshrat Ayalon, Angelica Goetzen, Krishna P. Gummadi, Elissa M. Redmiles, Franziska Roesner
Leveraging Rights of Data Subjects for Social Media Analysis: Studying TikTok via Data Donations. CoRR (2023)
Mohamad Hoseini, Philipe F. Melo, Fabrício Benevenuto, Anja Feldmann, Savvas Zannettou
On the Globalization of the QAnon Conspiracy Theory Through Telegram. WebSci (2023)
Angelica Goetzen, Ruizhe Wang, Elissa M. Redmiles, Savvas Zannettou, Oshrat Ayalon
Likes and Fragments: Examining Perceptions of Time Spent on TikTok. CoRR (2023)
Yiting Qu, Xinyue Shen, Xinlei He, Michael Backes, Savvas Zannettou, Yang Zhang
Unsafe Diffusion: On the Generation of Unsafe Images and Hateful Memes From Text-To-Image Models. CCS (2023)
Xinlei He, Savvas Zannettou, Yun Shen, Yang Zhang
You Only Prompt Once: On the Capabilities of Prompt Learning on Large Language Models to Tackle Toxic Content. CoRR (2023)
Pujan Paudel, Jeremy Blackburn, Emiliano De Cristofaro, Savvas Zannettou, Gianluca Stringhini
Lambretta: Learning to Rank for Twitter Soft Moderation. SP (2023)
Yash Vekaria, Zubair Shafiq, Savvas Zannettou
Before Blue Birds Became X-tinct: Understanding the Effect of Regime Change on Twitter's Advertising and Compliance of Advertising Policies. CoRR (2023)
Chen Ling, Krishna P. Gummadi, Savvas Zannettou
"Learn the Facts about COVID-19": Analyzing the Use of Warning Labels on TikTok Videos. ICWSM (2023)
Pujan Paudel, Jeremy Blackburn, Emiliano De Cristofaro, Savvas Zannettou, Gianluca Stringhini
LAMBRETTA: Learning to Rank for Twitter Soft Moderation. CoRR (2022)
Chen Ling, Krishna P. Gummadi, Savvas Zannettou
"Learn the Facts About COVID-19": Analyzing the Use of Warning Labels on TikTok Videos. CoRR (2022)
Kostantinos Papadamou, Savvas Zannettou, Jeremy Blackburn, Emiliano De Cristofaro, Gianluca Stringhini, Michael Sirivianos
"It Is Just a Flu": Assessing the Effect of Watch History on YouTube's Pseudoscientific Video Recommendations. ICWSM (2022)
Catherine Jennifer, Fatemeh Tahmasbi, Jeremy Blackburn, Gianluca Stringhini, Savvas Zannettou, Emiliano De Cristofaro
Feels Bad Man: Dissecting Automated Hateful Meme Detection Through the Lens of Facebook's Challenge. ICWSM Workshops (2022)
Xinyue Shen, Xinlei He, Michael Backes, Jeremy Blackburn, Savvas Zannettou, Yang Zhang
On Xing Tian and the Perseverance of Anti-China Sentiment Online. CoRR (2022)
Wai Man Si, Michael Backes, Jeremy Blackburn, Emiliano De Cristofaro, Gianluca Stringhini, Savvas Zannettou, Yang Zhang
Why So Toxic? Measuring and Triggering Toxic Behavior in Open-Domain Chatbots. CoRR (2022)
Antonis Papasavva, Max Aliapoulios, Cameron Ballard, Emiliano De Cristofaro, Gianluca Stringhini, Savvas Zannettou, Jeremy Blackburn
The Gospel according to Q: Understanding the QAnon Conspiracy from the Perspective of Canonical Information. ICWSM (2022)
Manoel Horta Ribeiro, Savvas Zannettou, Oana Goga, Fabrício Benevenuto, Robert West
Can online attention signals help fact-checkers to fact-check? ICWSM Workshops (2022)
Yiting Qu, Xinlei He, Shannon Pierson, Michael Backes, Yang Zhang, Savvas Zannettou
On the Evolution of (Hateful) Memes by Means of Multimodal Contrastive Learning. CoRR (2022)
Mohammad Hammas Saeed, Shiza Ali, Jeremy Blackburn, Emiliano De Cristofaro, Savvas Zannettou, Gianluca Stringhini
TrollMagnifier: Detecting State-Sponsored Troll Accounts on Reddit. IEEE Symposium on Security and Privacy (2022)
Wai Man Si, Michael Backes, Jeremy Blackburn, Emiliano De Cristofaro, Gianluca Stringhini, Savvas Zannettou, Yang Zhang
Why So Toxic?: Measuring and Triggering Toxic Behavior in Open-Domain Chatbots. CCS (2022)
Pujan Paudel, Jeremy Blackburn, Emiliano De Cristofaro, Savvas Zannettou, Gianluca Stringhini
A Longitudinal Study of the Gettr Social Network. ICWSM Workshops (2022)
Moonis Ali, Savvas Zannettou
Analyzing Antisemitism and Islamophobia using a Lexicon-based Approach. ICWSM Workshops (2022)
Alexandros Efstratiou, Jeremy Blackburn, Tristan Caulfield, Gianluca Stringhini, Savvas Zannettou, Emiliano De Cristofaro
Non-Polar Opposites: Analyzing the Relationship Between Echo Chambers and Hostile Intergroup Interactions on Reddit. CoRR (2022)
Xinyue Shen, Xinlei He, Michael Backes, Jeremy Blackburn, Savvas Zannettou, Yang Zhang
On Xing Tian and the Perseverance of Anti-China Sentiment Online. ICWSM (2022)
Jeremy Blackburn, Savvas Zannettou
Effect of Social Networking on Real-World Events. IEEE Internet Comput. 26 (2) (2022)
Felipe González-Pizarro, Savvas Zannettou
Understanding and Detecting Hateful Content using Contrastive Learning. CoRR (2022)
Catherine Jennifer, Fatemeh Tahmasbi, Jeremy Blackburn, Gianluca Stringhini, Savvas Zannettou, Emiliano De Cristofaro
Feels Bad Man: Dissecting Automated Hateful Meme Detection Through the Lens of Facebook's Challenge. CoRR (2022)
Yuping Wang, Savvas Zannettou, Jeremy Blackburn, Barry Bradlyn, Emiliano De Cristofaro, Gianluca Stringhini
A Multi-Platform Analysis of Political News Discussion and Sharing on Web Communities. CoRR (2021)
Savvas Zannettou
"I Won the Election!": An Empirical Analysis of Soft Moderation Interventions on Twitter. CoRR (2021)
Savvas Zannettou
"I Won the Election!": An Empirical Analysis of Soft Moderation Interventions on Twitter. ICWSM (2021)
Chen Ling, Ihab AbuHilal, Jeremy Blackburn, Emiliano De Cristofaro, Savvas Zannettou, Gianluca Stringhini
Dissecting the Meme Magic: Understanding Indicators of Virality in Image Memes. CoRR (2021)
Pujan Paudel, Jeremy Blackburn, Emiliano De Cristofaro, Savvas Zannettou, Gianluca Stringhini
An Early Look at the Gettr Social Network. CoRR (2021)
Max Aliapoulios, Emmi Bevensee, Jeremy Blackburn, Emiliano De Cristofaro, Gianluca Stringhini, Savvas Zannettou
An Early Look at the Parler Online Social Network. CoRR (2021)
Kostantinos Papadamou, Savvas Zannettou, Jeremy Blackburn, Emiliano De Cristofaro, Gianluca Stringhini, Michael Sirivianos
"How over is it?" Understanding the Incel Community on YouTube. Proc. ACM Hum. Comput. Interact. 5 (CSCW2) (2021)
Yuping Wang, Savvas Zannettou, Jeremy Blackburn, Barry Bradlyn, Emiliano De Cristofaro, Gianluca Stringhini
A Multi-Platform Analysis of Political News Discussion and Sharing on Web Communities. IEEE BigData (2021)
Max Aliapoulios, Antonis Papasavva, Cameron Ballard, Emiliano De Cristofaro, Gianluca Stringhini, Savvas Zannettou, Jeremy Blackburn
The Gospel According to Q: Understanding the QAnon Conspiracy from the Perspective of Canonical Information. CoRR (2021)
Shiza Ali, Mohammad Hammas Saeed, Esraa Aldreabi, Jeremy Blackburn, Emiliano De Cristofaro, Savvas Zannettou, Gianluca Stringhini
Understanding the Effect of Deplatforming on Social Networks. WebSci (2021)
Chen Ling, Ihab AbuHilal, Jeremy Blackburn, Emiliano De Cristofaro, Savvas Zannettou, Gianluca Stringhini
Dissecting the Meme Magic: Understanding Indicators of Virality in Image Memes. Proc. ACM Hum. Comput. Interact. 5 (CSCW1) (2021)
Manoel Horta Ribeiro, Shagun Jhaver, Savvas Zannettou, Jeremy Blackburn, Gianluca Stringhini, Emiliano De Cristofaro, Robert West
Do Platform Migrations Compromise Content Moderation? Evidence from r/The_Donald and r/Incels. Proc. ACM Hum. Comput. Interact. 5 (CSCW2) (2021)
Pujan Paudel, Jeremy Blackburn, Emiliano De Cristofaro, Savvas Zannettou, Gianluca Stringhini
Soros, Child Sacrifices, and 5G: Understanding the Spread of Conspiracy Theories on Web Communities. CoRR (2021)
Manoel Horta Ribeiro, Savvas Zannettou, Oana Goga, Fabrício Benevenuto, Robert West
What do fact checkers fact-check when? CoRR (2021)
Manoel Horta Ribeiro, Jeremy Blackburn, Barry Bradlyn, Emiliano De Cristofaro, Gianluca Stringhini, Summer Long, Stephanie Greenberg, Savvas Zannettou
The Evolution of the Manosphere across the Web. ICWSM (2021)
Yuping Wang, Fatemeh Tahmasbi, Jeremy Blackburn, Barry Bradlyn, Emiliano De Cristofaro, David Magerman, Savvas Zannettou, Gianluca Stringhini
Understanding the Use of Fauxtography on Social Media. ICWSM (2021)
Antonis Papasavva, Jeremy Blackburn, Gianluca Stringhini, Savvas Zannettou, Emiliano De Cristofaro
"Is it a Qoincidence?": An Exploratory Study of QAnon on Voat. WWW (2021)
Mohammad Hammas Saeed, Shiza Ali, Jeremy Blackburn, Emiliano De Cristofaro, Savvas Zannettou, Gianluca Stringhini
TROLLMAGNIFIER: Detecting State-Sponsored Troll Accounts on Reddit. CoRR (2021)
Mohamad Hoseini, Philipe F. Melo, Fabrício Benevenuto, Anja Feldmann, Savvas Zannettou
On the Globalization of the QAnon Conspiracy Theory Through Telegram. CoRR (2021)
Max Aliapoulios, Emmi Bevensee, Jeremy Blackburn, Barry Bradlyn, Emiliano De Cristofaro, Gianluca Stringhini, Savvas Zannettou
A Large Open Dataset from the Parler Social Network. ICWSM (2021)
Fatemeh Tahmasbi, Leonard Schild, Chen Ling, Jeremy Blackburn, Gianluca Stringhini, Yang Zhang, Savvas Zannettou
"Go eat a bat, Chang!": On the Emergence of Sinophobic Behavior on Web Communities in the Face of COVID-19. WWW (2021)
Jason Baumgartner, Savvas Zannettou, Brian Keegan, Megan Squire, Jeremy Blackburn
The Pushshift Reddit Dataset. CoRR (2020)
Savvas Zannettou, Mai ElSherief, Elizabeth M. Belding, Shirin Nilizadeh, Gianluca Stringhini
Measuring and Characterizing Hate Speech on News Websites. CoRR (2020)
Antonis Papasavva, Jeremy Blackburn, Gianluca Stringhini, Savvas Zannettou, Emiliano De Cristofaro
"Is it a Qoincidence?": A First Step Towards Understanding and Characterizing the QAnon Movement on Voat.co. CoRR (2020)
Antonis Papasavva, Savvas Zannettou, Emiliano De Cristofaro, Gianluca Stringhini, Jeremy Blackburn
Raiders of the Lost Kek: 3.5 Years of Augmented 4chan Posts from the Politically Incorrect Board. CoRR (2020)
Jason Baumgartner, Savvas Zannettou, Brian Keegan, Megan Squire, Jeremy Blackburn
The Pushshift Reddit Dataset. ICWSM (2020)
Alexandros Mittos, Savvas Zannettou, Jeremy Blackburn, Emiliano De Cristofaro
"And We Will Fight for Our Race!" A Measurement Study of Genetic Testing Conversations on Reddit and 4chan. ICWSM (2020)
Savvas Zannettou, Mai ElSherief, Elizabeth M. Belding, Shirin Nilizadeh, Gianluca Stringhini
Measuring and Characterizing Hate Speech on News Websites. WebSci (2020)
Kostantinos Papadamou, Steven Gevers, Christos Xenakis, Michael Sirivianos, Savvas Zannettou, Bogdan Chifor, Sorin Teican, George Gugulea, Alberto Caponi, Annamaria Recupero, Claudio Pisa, Giuseppe Bianchi
Killing the Password and Preserving Privacy With Device-Centric and Attribute-Based Authentication. IEEE Trans. Inf. Forensics Secur. 15 (2020)
Kostantinos Papadamou, Savvas Zannettou, Jeremy Blackburn, Emiliano De Cristofaro, Gianluca Stringhini, Michael Sirivianos
Pseudoscientific Content on YouTube: Assessing the Effects of Watch History on the Recommendation Algorithm. CoRR (2020)
Alexandros Mittos, Savvas Zannettou, Jeremy Blackburn, Emiliano De Cristofaro
Analyzing Genetic Testing Discourse on the Web Through the Lens of Twitter, Reddit, and 4chan. ACM Trans. Web 14 (4) (2020)
Antonis Papasavva, Savvas Zannettou, Emiliano De Cristofaro, Gianluca Stringhini, Jeremy Blackburn
Raiders of the Lost Kek: 3.5 Years of Augmented 4chan Posts from the Politically Incorrect Board. ICWSM (2020)
Mohamad Hoseini, Philipe F. Melo, Manoel Junior, Fabrício Benevenuto, Balakrishnan Chandrasekaran, Anja Feldmann, Savvas Zannettou
Demystifying the Messaging Platforms' Ecosystem Through the Lens of Twitter. Internet Measurement Conference (2020)
Manoel Horta Ribeiro, Shagun Jhaver, Savvas Zannettou, Jeremy Blackburn, Emiliano De Cristofaro, Gianluca Stringhini, Robert West
Does Platform Migration Compromise Content Moderation? Evidence from r/The_Donald and r/Incels. CoRR (2020)
Leonard Schild, Chen Ling, Jeremy Blackburn, Gianluca Stringhini, Yang Zhang, Savvas Zannettou
"Go eat a bat, Chang!": An Early Look on the Emergence of Sinophobic Behavior on Web Communities in the Face of COVID-19. CoRR (2020)
Savvas Zannettou, Tristan Caulfield, Barry Bradlyn, Emiliano De Cristofaro, Gianluca Stringhini, Jeremy Blackburn
Characterizing the Use of Images in State-Sponsored Information Warfare Operations by Russian Trolls on Twitter. ICWSM (2020)
Kostantinos Papadamou, Antonis Papasavva, Savvas Zannettou, Jeremy Blackburn, Nicolas Kourtellis, Ilias Leontiadis, Gianluca Stringhini, Michael Sirivianos
Disturbed YouTube for Kids: Characterizing and Detecting Inappropriate Videos Targeting Young Children. ICWSM (2020)
Yuping Wang, Fatemeh Tahmasbi, Jeremy Blackburn, Barry Bradlyn, Emiliano De Cristofaro, David Magerman, Savvas Zannettou, Gianluca Stringhini
Understanding the Use of Fauxtography on Social Media. CoRR (2020)
Jason Baumgartner, Savvas Zannettou, Megan Squire, Jeremy Blackburn
The Pushshift Telegram Dataset. ICWSM (2020)
Kostantinos Papadamou, Savvas Zannettou, Jeremy Blackburn, Emiliano De Cristofaro, Gianluca Stringhini, Michael Sirivianos
Understanding the Incel Community on YouTube. CoRR (2020)
Manoel Horta Ribeiro, Jeremy Blackburn, Barry Bradlyn, Emiliano De Cristofaro, Gianluca Stringhini, Summer Long, Stephanie Greenberg, Savvas Zannettou
From Pick-Up Artists to Incels: A Data-Driven Sketch of the Manosphere. CoRR (2020)
Savvas Zannettou, Joel Finkelstein, Barry Bradlyn, Jeremy Blackburn
A Quantitative Approach to Understanding Online Antisemitism. ICWSM (2020)
Jason Baumgartner, Savvas Zannettou, Megan Squire, Jeremy Blackburn
The Pushshift Telegram Dataset. CoRR (2020)
Savvas Zannettou, Michael Sirivianos, Jeremy Blackburn, Nicolas Kourtellis
The Web of False Information: Rumors, Fake News, Hoaxes, Clickbait, and Various Other Shenanigans. ACM J. Data Inf. Qual. 11 (3) (2019)
Alexandros Mittos, Savvas Zannettou, Jeremy Blackburn, Emiliano De Cristofaro
"And We Will Fight For Our Race!" A Measurement Study of Genetic Testing Conversations on Reddit and 4chan. CoRR (2019)
Savvas Zannettou, Barry Bradlyn, Emiliano De Cristofaro, Gianluca Stringhini, Jeremy Blackburn
Characterizing the Use of Images by State-Sponsored Troll Accounts on Twitter. CoRR (2019)
Kostantinos Papadamou, Antonis Papasavva, Savvas Zannettou, Jeremy Blackburn, Nicolas Kourtellis, Ilias Leontiadis, Gianluca Stringhini, Michael Sirivianos
Disturbed YouTube for Kids: Characterizing and Detecting Disturbing Content on YouTube. CoRR (2019)
Savvas Zannettou, Tristan Caulfield, William Setzer, Michael Sirivianos, Gianluca Stringhini, Jeremy Blackburn
Who Let The Trolls Out?: Towards Understanding State-Sponsored Trolls. WebSci (2019)
Savvas Zannettou, Tristan Caulfield, Emiliano De Cristofaro, Michael Sirivianos, Gianluca Stringhini, Jeremy Blackburn
Disinformation Warfare: Understanding State-Sponsored Trolls on Twitter and Their Influence on the Web. WWW (Companion Volume) (2019)
Savvas Zannettou
Towards Understanding the Information Ecosystem Through the Lens of Multiple Web Communities. CoRR (2019)
Joel Finkelstein, Savvas Zannettou, Barry Bradlyn, Jeremy Blackburn
A Quantitative Approach to Understanding Online Antisemitism. CoRR (2018)
Savvas Zannettou, Barry Bradlyn, Emiliano De Cristofaro, Haewoon Kwak, Michael Sirivianos, Gianluca Stringhini, Jeremy Blackburn
What is Gab: A Bastion of Free Speech or an Alt-Right Echo Chamber. WWW (Companion Volume) (2018)
Savvas Zannettou, Tristan Caulfield, Emiliano De Cristofaro, Michael Sirivianos, Gianluca Stringhini, Jeremy Blackburn
Disinformation Warfare: Understanding State-Sponsored Trolls on Twitter and Their Influence on the Web. CoRR (2018)
Savvas Zannettou, Michael Sirivianos, Jeremy Blackburn, Nicolas Kourtellis
The Web of False Information: Rumors, Fake News, Hoaxes, Clickbait, and Various Other Shenanigans. CoRR (2018)
Savvas Zannettou, Tristan Caulfield, Jeremy Blackburn, Emiliano De Cristofaro, Michael Sirivianos, Gianluca Stringhini, Guillermo Suarez-Tangil
On the Origins of Memes by Means of Fringe Web Communities. Internet Measurement Conference (2018)
Savvas Zannettou, Tristan Caulfield, Jeremy Blackburn, Emiliano De Cristofaro, Michael Sirivianos, Gianluca Stringhini, Guillermo Suarez-Tangil
On the Origins of Memes by Means of Fringe Web Communities. CoRR (2018)

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Publication Activity (10 Years)

Top Topics

Top Venues

Savvas Zannettou