"I call BS: Fraud Detection in Crowdfunding Campaigns". Beatrice Perez, Sara R. Machado, Jerone T. A. Andrews, Nicolas Kourtellis. WebSci, 2022. 
"How over is it? Understanding The Incel Community On YouTube". Kostantinos Papadamou, Savvas Zannettou, Jeremy Blackburn, Emiliano De Cristofaro, Gianluca Stringhini, Michael Sirivianos. ACM Conference on Computer Supported Cooperative Work and Social Computing (CSCW), 2021.
"Catching them red-handed: Real-time Aggression Detection on Social Media". H. Herodotou, D. Chatzakou, and N. Kourtellis. IEEE International Conference On Data Engineering (ICDE), 2021.
"A Streaming Machine Learning Framework for Online Aggression Detection on Twitter". H. Herodotou, D. Chatzakou, and N. Kourtellis. IEEE International Conference On Big Data (BigData), 2020.
"Analyzing Genetic Testing Discourse on the Web Through the Lens of Twitter, Reddit, and 4chan". Alexandros Mittos, Savvas Zannettou, Jeremy Blackburn, Emiliano De Cristofaro. ACM Transactions on the Web (TWEB), 2020.
"Raiders of the Lost Kek: 3.5 Years of Augmented 4chan Posts from the Politically Incorrect Board". Antonis Papasavva, Savvas Zannettou, Emiliano De Cristofaro, Gianluca Stringhini, Jeremy Blackburn. 14th International AAAI Conference On Web And Social Media (ICWSM), 2020.
"Angry Birds Flock Together: Aggression Propagation on Social Media". Chrysoula Terizi, Despoina Chatzakou, Evaggelia Pitoura, Panayiotis Tsaparas, Nicolas Kourtellis. Arxiv, 2020.
"A Self-Attentive Emotion Recognition Network". Harris Partaourides, Kostantinos Papadamou, Nicolas Kourtellis, Ilias Leontiadis, Sotirios Chatzis. IEEE International Conference On Acoustics, Speech, And Signal Processing (ICASSP), 2020.
"Characterizing the Use of Images in State-Sponsored Information Warfare Operations by Russian Trolls on Twitter". Savvas Zannettou, Tristan Caulfield, Barry Bradlyn, Emiliano De Cristofaro, Gianluca Stringhini, Jeremy Blackburn. 14th International AAAI Conference on Web and Social Media (ICWSM), 2020.
"A Privacy-Preserving Architecture for the Protection of Adolescents in Online Social Networks". Markos Charalambous, Petros Papagiannis, Antonis Papasavva, Pantelitsa Leonidou, Rafael Constaninou, Lia Terzidou, Theodoros Christophides, Pantelis Nicolaou, Orfeas Theofanis, George Kalatzantonakis, Michael Sirivianos. The Fifth International Conference on Cyber-Technologies and Cyber-Systems (CYBER), 2020.
"Challenges in the Decentralised Web: The Mastodon Case". Aravindh Raman, Sagar Joglekar, Emiliano De Cristofaro, Nishanth Sastry, Gareth Tyson. ACM Internet Measurement Conference (IMC), 2019.
"You Know What to Do": Proactive Detection of YouTube Videos Targeted by Coordinated Hate Attacks". Enrico Mariconti, Guillermo Suarez-Tangil, Jeremy Blackburn, Emiliano De Cristofaro, Nicolas Kourtellis, Ilias Leontiadis, Jordi Luque Serrano, Gianluca Stringhini. ACM Conference on Computer Supported Cooperative Work (CSCW), 2019.
"Detecting Cyberbullying and Cyberaggression in Social Media". Despoina Chatzakou, Ilias Leontiadis, Jeremy Blackburn, Emiliano De Cristofaro, Gianluca Stringhini, Athena Vakali, Nicolas Kourtellis. ACM Transactions on the Web (TWEB), 2019.
In the news: The Register, BBC, NewsBusters, Cyprus Mail, Sky News.
"Multiple-Identity Image Attacks Against Face-based Identity Verification". Jerone T. A. Andrews, Thomas Tanay, Lewis D. Griffin. Arxiv, 2019.
"The central community of Twitter ego-networks as a means for fake influencer detection". Nicolas Tsapatsoulis, Vasiliki Anastasopoulou, Klimis Ntalianis. IEEE Cyber Science and Technology Conference (CyberSciTech), 2019.
"Cyberbullies in Twitter: A focused review". Nicolas Tsapatsoulis, Vasiliki Anastasopoulou. 14th International Workshop On Semantic And Social Media Adaptation And Personalization (SMAP), 2019.
"And We Will Fight For Our Race!" A Measurement Study of Genetic Testing Conversations on Reddit and 4chan". Alexandros Mittos, Savvas Zannettou, Jeremy Blackburn, Emiliano De Cristofaro. International AAAI Conference On Web And Social Media (ICWSM), 2020.
In the news: STAT News, The New York Times.
"Disinformation Warfare: Understanding State-Sponsored Trolls on Twitter and Their Influence on the Web". Savvas Zannettou, Tristan Caulfield, Emiliano De Cristofaro, Michael Sirivianos, Gianluca Stringhini and Jeremy Blackburn. Workshop on Computational Methods in CyberSafety, Online Harassment and Misinformation, Co-Located With The Web Conference, 2019. long version
In the news: The Register, The Conversation, Houston Chronicle, US News.
Policy: Regulating disinformation with artificial intelligence, EU Parliament Research Service.
Awards: Best paper.
"Disturbed YouTube for Kids: Characterizing and Detecting Inappropriate Videos Targeting Young Children". Kostantinos Papadamou, Antonis Papasavva, Savvas Zannettou, Jeremy Blackburn, Nicolas Kourtellis, Ilias Leontiadis, Gianluca Stringhini, Michael Sirivianos. International AAAI Conference on Web and Social Media (ICWSM), 2020.
In the news: Bleepingcomputer, Zing.vn, New Scientist, Reddit, Washington Post (video), Business Insider, The New York Times.
Watch the video
Awards: Spotlight Session (Top 8).
"Who Let The Trolls Out? Towards Understanding State-Sponsored Trolls". Savvas Zannettou, Tristan Caulfield, William Setzer, Michael Sirivianos, Gianluca Stringhini, Jeremy Blackburn. ACM International Web Science Conference (WebSci), 2019.
In the news: TechXplore.
"The Web of False Information: Rumors, Fake News, Hoaxes, Clickbait, and Various Other Shenanigans". Savvas Zannettou, Michael Sirivianos, Jeremy Blackburn, Nicolas Kourtellis. ACM Journal of Data and Information Quality (JDIQ), 2019.
"LOBO: Evaluation of Generalization Deficiencies in Twitter Bot Classifiers". Juan Echeverria, Emiliano De Cristofaro, Nicolas Kourtellis, Ilias Leontiadis, Gianluca Stringhini, Shi Zhou. Annual Computer Security Applications Conference (ACSAC), 2018.
"Εnhancing social networking in smart cities: Privacy and security borderlines". Vaia Moustaka, Zenonas Theodosiou, Athena Vakali, Anastasis Kounoudes, Leonidas G. Anthopoulos. Technological Forecasting and Social Change, 2018.
"A Quantitative Approach to Understanding Online Antisemitism". Joel Finkelstein, Savvas Zannettou, Joel Finkelstein, Barry Bradlyn, Jeremy Blackburn. International AAAI Conference On Web And Social Media (ICWSM), 2020.
In the news: Washington Post, Wired, WHYY.ORG, WESA, AL.com, The Wall Street Journal, WBRC Fox 6 News.
"Twitter Influencers or Cheated Buyers?". Savvas Zinonos, Andreas Tsirtsis and Nicolas Tsapatsoulis. IEEE Cyber Science and Technology Congress (CyberSciTech 2018), 2018
"On the Origins of Memes by Means of Fringe Web Communities". Savvas Zannettou, Tristan Caulfield, Jeremy Blackburn, Emiliano De Cristofaro, Michael Sirivianos, Gianluca Stringhini, and Guillermo Suarez-Tangil. ACM Internet Measurement Conference (IMC), 2018.
In the news: QUARTZ, Business Insider, Nerdcore, MIT Technology Review, VICE, InfoWars, Dailydot, Indy100, Thinkprogress, Iflscience, Hornet, Washington Post, BBC News, The Conversation, Rappler, El Pais, MotherJones, Raw Story, Bellingcat, Infowars, i-D Vice.
Awards: Distinguished Paper.
"Smart Cities at Risk!: Privacy and Security Borderlines from Social Networking in Cities". Vaia Moustaka, Zenonas Theodosiou, Athena Vakali and Anastasis Kounoudes. International World Wide Web Conference Committee (IW3C2), 2018.
"A Unified Deep Learning Architecture for Abuse Detection". Antigoni-Maria Founta, Despoina Chatzakou, Nicolas Kourtellis, Jeremy Blackburn, Athena Vakali, Ilias Leontiadis. ACM International Web Science Conference (WebSci), 2019.
"Large Scale Crowdsourcing and Characterization of Twitter Abusive Behavior". Antigoni-Maria Founta, Constantinos Djouvas, Despoina Chatzakou, Ilias Leontiadis, Jeremy Blackburn, Gianluca Stringhini, Athena Vakali, Michael Sirivianos and Nicolas Kourtellis. International AAAI Conference on Web and Social Media (ICWSM), 2018.
"The Good, the Bad and the Bait: Detecting and Characterizing Clickbait on YouTube". Savvas Zannettou, Sotirios Chatzis, Kostantinos Papadamou, Michael Sirivianos. 1st Deep Learning and Security Workshop, co-located with the 39th IEEE Symposium on Security and Privacy, 2018.
"Cybersafety in Modern Online Social Networks (Dagstuhl Reports 17372)". Jeremy Blackburn , Emiliano De Cristofaro , Michael Sirivianos and Thorsten Strufe. Dagstuhl Reports, Schloss Dagstuhl-Leibniz-Zentrum fuer Informatik, 2018.
"What is Gab? A Bastion of Free Speech or an Alt-Right Echo Chamber?". Savvas Zannettou, Barry Bradlyn, Emiliano De Cristofaro, Michael Sirivianos, Gianluca Stringhini, Haewoon Kwak, Jeremy Blackburn. Workshop on Computational Methods in CyberSafety, Online Harassment and Misinformation, 2018.
In the news: New Scientist, NBC News, Vox, NBC News, The Wall Street Journal, DAILY BEAST, E&T, Publica.
"From Risk Factors to Detection and Intervention: A Practical Proposal for Future Work on Cyberbullying". Andri Ioannou, Jeremy Blackburn, Gianluca Stringhini, Emiliano De Cristofaro, Nicolas Kourtellis, Michael Sirivianos. Behaviour & Information Technology (TBIT), 2018.
"Understanding Web Archiving Services and Their (Mis)Use on Social Media". Savvas Zannettou, Jeremy Blackburn, Emiliano De Cristofaro,Michael Sirivianos, Gianluca Stringhini. International AAAI Conference on Web and Social Media (ICWSM), 2018.
In the news: Newswise.
"What's in a Name?: Understanding Profile Name Reuse on Twitter". Enrico Mariconti, Jeremiah Onaolapo, Syed Sharique Ahmad, Nicolas Nikiforou, Manuel Egele, Nick Nikiforakis, Gianluca Stringhini. International World Wide Web Conference (WWW), 2017.
"The Web Centipede: Understanding How Web Communities Influence Each Other Through the Lens of Mainstream and Alternative News Sources". Savvas Zannettou, Tristan Caulfield, Emiliano De Cristofaro, Nicolas Kourtellis, Ilias Leontiadis, Michael Sirivianos, Gianluca Stringhini, and Jeremy Blackburn. ACM Internet Measurement Conference (IMC), 2017.
In the news: The Atlantic, Benthamsgaze, Hackingdistributed, UAB News, Bentham’s Gaze, El Pais.
Policy: Canadian Security Intelligence Service.
"Kek, Cucks, and God Emperor Trump: A Measurement Study of 4chan’s Politically Incorrect Forum and Its Effects on the Web”. Gabriel Emile Hine, Jeremiah Onaolapo, Emiliano De Cristofaro, Nicolas Kourtellis, Ilias Leontiadis, Riginos Samaras, Gianluca Stringhini and Jeremy Blackburn. International AAAI Conference on Web and Social Media (ICWSM), 2017.
In the news: Nature, Wired, La Stampa, Motherboard Vice, Paideia News, The Conversation, Repubblica, VICE, Sky News, Welt.
Awards: Best Paper Runner up.
"Class-based Prediction Errors to Detect Hate Speech with Out-of-vocabulary Words". Joan Serra, Ilias Leontiadis, Dimitris Spathis, Gianluca Stringhini, Jeremy Blackburn, Athena Vakali. ACL'17, Workshop on Abusive Language Online, 2017.
"E-safety in Web 2.0 learning environments: a research synthesis and implications for researchers and practitioners". Antigoni Parmaxi, Kostantinos Papadamou, Michael Sirivianos and Makis Stamatellatos. Human-Computer Interaction International Conference (HCI), 2017.
"On the Detection of Images Containing Child-Pornographic Material ”. Emilios Yiallourou, Rafaella Demetriou, Andreas Lanitis, 24th International Conference on Telecommunication (ICT), 2017.
"Measuring #GamerGate: A Tale of Hate, Sexism, and Bullying". Despoina Chatzakou, Nicolas Kourtellis, Jeremy Bluckburn, Emiliano De Cristofaro, Gianluca Stringhini, Athina Vakali. Workshop On Computational Methods In CyberSafety, Online Harassment And Misinformation, 2017.
"From Risk Factors to Detection and Intervention: A Metareview and Practical Proposal for Research on Cyberbullying". Andri Ioannou, Jeremy Blackburn, Gianluca Stringhini, Emiliano De Cristofaro, Nicolas Kourtellis, Michael Sirivianos, Panayiotis Zaphiris. IST-Africa, 2017.
"Mean Birds: Detecting Aggression and Bullying on Twitter". Despoina Chatzakou, Nicolas Kourtellis, Jeremy Blackburn, Emiliano De Cristofaro, Gianluca Stringhini, Athena Vakali. ACM Web Science Conference (WebSci), 2017.
"Hate is not binary: Studying abusive behavior of #GamerGate on Twitter". Despoina Chatzakou, Nicolas Kourtellis, Jeremy Blackburn, Emiliano De Cristofaro, Gianluca Stringhini, and Athena Vakali. ACM Conference on Hypertext and Social Media (HyperText), 2017.
"POISED: Spotting Twitter Spam Off the Beaten Paths". Shirin Nilizadeh, Francois Labreche, Alireza Sadighian, Jose Fernandez, Christopher Kruegel, Gianluca Stringhini, and Giovanni Vigna. ACM Conference on Computer and Communications Security (CCS), 2017.
"Detecting Aggressors and Bullies on Twitter". Despoina Chatzakou, Nicolas Kourtellis, Jeremy Blackburn, Emiliano De Cristofaro, Gianluca Stringhini, Athena Vakali. International Conference on World Wide Web Companion (WWW), 2017.
"Cyber Security Risks for Minors: A Taxonomy and a Software Architecture". Andreas Tsirtsis, Nicolas Tsapatsoulis, Kwstantinos Papadamou and Michael Sirivianos and Makis Stamatelatos. 11th International Workshop on Semantic and Social Media Adaptation and Personalization (SMAP), 2016. 
"Early Malicious Activity Discovery in Microblogs by Social Bridges Detection". Antonia Gogoglou, Zenonas Theodosiou, Tasos Kounoudes, Athena Vakali and Yannis Manolopoulos. IEEE International Symposium on Signal Processing and Information Technology (ISSPIT), 2016.
Awards: Best Paper.
"A multi-layer software architecture framework for adaptive real-time analytics". Athena Vakali Paschalis Korosoglou and Pavlos Daoglou. IEEE International Conference on Big Data (Big Data), 2016.
"Why allowing profile name reuse is a bad idea". Enrico Mariconti, Jeremiah Onaolapo, Syed Sharique Ahmad, Nicolas Nikiforou, Manuel Egele, Nick Nikiforakis, Gianluca Stringhini. 9th European Workshop on System Security (EuroSec), 2016.
