Prometheus: User-Controlled P2P Social Data Management for Socially-Aware Applications. - Nicolas Kourtellis; Joshua Finnis; Paul Anderson; Jeremy Blackburn; Cristian Borcea; Adriana Iamnitchi (Middleware, 2010)

On managing social data for enabling socially-aware applications and services. - Paul Anderson; Nicolas Kourtellis; Joshua Finnis; Adriana Iamnitchi (SNS, 2010)

Inferring peer centrality in socially-informed peer-to-peer systems. - Nicolas Kourtellis; Adriana Iamnitchi (Peer-to-Peer Computing, 2011)

K-path centrality: a new centrality measure in social networks. - Tharaka Alahakoon; Rahul Tripathi; Nicolas Kourtellis; Ramanuja Simha; Adriana Iamnitchi (SNS, 2011)

Vulnerability in socially-informed peer-to-peer systems. - Jeremy Blackburn; Nicolas Kourtellis; Adriana Iamnitchi (SNS, 2011)

Cheaters in the Steam Community Gaming Social Network - Jeremy Blackburn; Ramanuja Simha; Nicolas Kourtellis; Xiang Zuo; Clayton Long; Matei Ripeanu; John Skvoretz; Adriana Iamnitchi (CoRR, 2011)

Cheaters in a gaming social network. - Jeremy Blackburn; Ramanuja Simha; Clayton Long; Xiang Zuo; Nicolas Kourtellis; John Skvoretz; Adriana Iamnitchi (SIGMETRICS Perform. Evaluation Rev., 2011)

Branded with a scarlet "C": cheaters in a gaming social network. - Jeremy Blackburn; Ramanuja Simha; Nicolas Kourtellis; Xiang Zuo; Matei Ripeanu; John Skvoretz; Adriana Iamnitchi (WWW, 2012)

Leveraging Peer Centrality in the Design of Socially-Informed Peer-to-Peer Systems - Nicolas Kourtellis; Adriana Iamnitchi (CoRR, 2012)

Data Survivability in Networks of Mobile Robots in Urban Disaster Environments - Nicolas Kourtellis; Adriana Iamnitchi; Cristian Borcea; Robin R. Murphy (CoRR, 2012)

Enabling Social Applications via Decentralized Social Data Management - Nicolas Kourtellis; Jeremy Blackburn; Cristian Borcea; Adriana Iamnitchi (CoRR, 2012)

The Social Hourglass: An Infrastructure for Socially Aware Applications and Services. - Adriana Iamnitchi; Jeremy Blackburn; Nicolas Kourtellis (IEEE Internet Comput., 2012)

On the Design of Socially-Aware Distributed Systems. - Nicolas Kourtellis (2012)

Identifying high betweenness centrality nodes in large social networks. - Nicolas Kourtellis; Tharaka Alahakoon; Ramanuja Simha; Adriana Iamnitchi; Rahul Tripathi (Soc. Netw. Anal. Min., 2013)

Stock trade volume prediction with Yahoo Finance user browsing behavior. - Ilaria Bordino; Nicolas Kourtellis; Nikolay Laptev; Youssef Billawala (ICDE, 2014)

The power of indirect ties in friend-to-friend storage systems. - Xiang Zuo; Jeremy Blackburn; Nicolas Kourtellis; John Skvoretz; Adriana Iamnitchi (P2P, 2014)

The Influence of Indirect Ties on Social Network Dynamics. - Xiang Zuo; Jeremy Blackburn; Nicolas Kourtellis; John Skvoretz; Adriana Iamnitchi (SocInfo, 2014)

The power of indirect social ties. - Xiang Zuo; Jeremy Blackburn; Nicolas Kourtellis; John Skvoretz; Adriana Iamnitchi (CoRR, 2014)

Cheating in Online Games: A Social Network Perspective. - Jeremy Blackburn; Nicolas Kourtellis; John Skvoretz; Matei Ripeanu; Adriana Iamnitchi (ACM Trans. Internet Techn., 2014)

Leveraging Peer Centrality in the Designof Socially-Informed Peer-to-Peer Systems. - Nicolas Kourtellis; Adriana Iamnitchi (IEEE Trans. Parallel Distributed Syst., 2014)

Privacy Concerns vs. User Behavior in Community Question Answering. - Md. Imrul Kayes; Nicolas Kourtellis; Francesco Bonchi; Adriana Iamnitchi (ASONAM, 2015)

Cultures in Community Question Answering. - Md. Imrul Kayes; Nicolas Kourtellis; Daniele Quercia; Adriana Iamnitchi; Francesco Bonchi (HT, 2015)

The power of both choices: Practical load balancing for distributed stream processing engines. - Muhammad Anis Uddin Nasir; Gianmarco De Francisci Morales; David García-Soriano; Nicolas Kourtellis; Marco Serafini (ICDE, 2015)

Dynamic Matrix Factorization with Priors on Unknown Values. - Robin Devooght; Nicolas Kourtellis; Amin Mantrach (KDD, 2015)

Socially-aware distributed hash tables for decentralized online social networks. - Muhammad Anis Uddin Nasir; Sarunas Girdzijauskas; Nicolas Kourtellis (P2P, 2015)

The Minimum Wiener Connector Problem. - Natali Ruchansky; Francesco Bonchi; David García-Soriano; Francesco Gullo; Nicolas Kourtellis (SIGMOD Conference, 2015)

The Social World of Content Abusers in Community Question Answering. - Md. Imrul Kayes; Nicolas Kourtellis; Daniele Quercia; Adriana Iamnitchi; Francesco Bonchi (WWW, 2015)

Partial Key Grouping: Load-Balanced Partitioning of Distributed Streams. - Muhammad Anis Uddin Nasir; Gianmarco De Francisci Morales; David García-Soriano; Nicolas Kourtellis; Marco Serafini (CoRR, 2015)

The Minimum Wiener Connector. - Natali Ruchansky; Francesco Bonchi; David García-Soriano; Francesco Gullo; Nicolas Kourtellis (CoRR, 2015)

Scalable Online Betweenness Centrality in Evolving Graphs. - Nicolas Kourtellis; Gianmarco De Francisci Morales; Francesco Bonchi (IEEE Trans. Knowl. Data Eng., 2015)

Special Issue on Foundations of Social Computing: Enabling Social Applications via Decentralized Social Data Management. - Nicolas Kourtellis; Jeremy Blackburn; Cristian Borcea; Adriana Iamnitchi (ACM Trans. Internet Techn., 2015)

VHT: Vertical hoeffding tree. - Nicolas Kourtellis; Gianmarco De Francisci Morales; Albert Bifet; Arinto Murdopo (IEEE BigData, 2016)

When two choices are not enough: Balancing at scale in Distributed Stream Processing. - Muhammad Anis Uddin Nasir; Gianmarco De Francisci Morales; Nicolas Kourtellis; Marco Serafini (ICDE, 2016)

Pinning Alone? A Study of the Role of Social Ties on Pinterest. - Changtao Zhong; Nicolas Kourtellis; Nishanth Sastry (ICWSM, 2016)

Analyzing Big Data Streams with Apache SAMOA. - Nicolas Kourtellis; Gianmarco De Francisci Morales; Albert Bifet (MSM@WWW,MUSE@PKDD/ECML, 2016)

The power of indirect ties. - Xiang Zuo; Jeremy Blackburn; Nicolas Kourtellis; John Skvoretz; Adriana Iamnitchi (Comput. Commun., 2016)

A Longitudinal Measurement Study of 4chan's Politically Incorrect Forum and its Effect on the Web. - Gabriel Emile Hine; Jeremiah Onaolapo; Emiliano De Cristofaro; Nicolas Kourtellis; Ilias Leontiadis; Riginos Samaras; Gianluca Stringhini; Jeremy Blackburn (CoRR, 2016)

To Be Connected, or Not to Be Connected: That is the Minimum Inefficiency Subgraph Problem. - Natali Ruchansky; Francesco Bonchi; David García-Soriano; Francesco Gullo; Nicolas Kourtellis (CIKM, 2017)

Hate is not Binary: Studying Abusive Behavior of #GamerGate on Twitter. - Despoina Chatzakou; Nicolas Kourtellis; Jeremy Blackburn; Emiliano De Cristofaro; Gianluca Stringhini; Athena Vakali (HT, 2017)

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; Jeremy Blackburn (ICWSM, 2017)

If you are not paying for it, you are the product: how much do advertisers pay to reach you? - Panagiotis Papadopoulos; Pablo Rodríguez Rodríguez; Nicolas Kourtellis; Nikolaos Laoutaris (Internet Measurement Conference, 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; Jeremy Blackburn (Internet Measurement Conference, 2017)

Mean Birds: Detecting Aggression and Bullying on Twitter. - Despoina Chatzakou; Nicolas Kourtellis; Jeremy Blackburn; Emiliano De Cristofaro; Gianluca Stringhini; Athena Vakali (WebSci, 2017)

Detecting Aggressors and Bullies on Twitter. - Despoina Chatzakou; Nicolas Kourtellis; Jeremy Blackburn; Emiliano De Cristofaro; Gianluca Stringhini; Athena Vakali (WWW (Companion Volume), 2017)

Measuring #GamerGate: A Tale of Hate, Sexism, and Bullying. - Despoina Chatzakou; Nicolas Kourtellis; Jeremy Blackburn; Emiliano De Cristofaro; Gianluca Stringhini; Athena Vakali (WWW (Companion Volume), 2017)

Load Balancing for Skewed Streams on Heterogeneous Cluster. - Muhammad Anis Uddin Nasir; Hiroshi Horii; Marco Serafini; Nicolas Kourtellis; Rudy Raymond; Sarunas Girdzijauskas; Takayuki Osogami (CoRR, 2017)

Computing the advertising value of users by tapping on RTB. - Panagiotis Papadopoulos; Nicolas Kourtellis; Pablo Rodriguez 001; Nikolaos Laoutaris (CoRR, 2017)

The good, the bad and the deviant in community question answering. - Md. Imrul Kayes; Nicolas Kourtellis; Adriana Iamnitchi (Online Soc. Networks Media, 2017)

LOBO: Evaluation of Generalization Deficiencies in Twitter Bot Classifiers. - Juan Echeverría; Emiliano De Cristofaro; Nicolas Kourtellis; Ilias Leontiadis; Gianluca Stringhini; Shi Zhou (ACSAC, 2018)

There goes Wally: Anonymously sharing your location gives you away. - Apostolos Pyrgelis; Nicolas Kourtellis; Ilias Leontiadis; Joan Serrà; Claudio Soriente (IEEE BigData, 2018)

Exclusive: How the (synced) Cookie Monster breached my encrypted VPN session. - Panagiotis Papadopoulos; Nicolas Kourtellis; Evangelos P. Markatos (EuroSec@EuroSys, 2018)

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; Nicolas Kourtellis (ICWSM, 2018)

Automated Measurements of Cross-Device Tracking. - Konstantinos Solomos; Panagiotis Ilia; Sotiris Ioannidis; Nicolas Kourtellis (IOSec@RAID, 2018)

The Cost of Digital Advertisement: Comparing User and Advertiser Views. - Panagiotis Papadopoulos; Nicolas Kourtellis; Evangelos P. Markatos (WWW, 2018)

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 (Behav. Inf. Technol., 2018)

Large-Scale Learning from Data Streams with Apache SAMOA. - Nicolas Kourtellis; Gianmarco De Francisci Morales; Albert Bifet (CoRR, 2018)

Cross-Device Tracking: Systematic Method to Detect and Measure CDT. - Konstantinos Solomos; Panagiotis Ilia; Sotiris Ioannidis; Nicolas Kourtellis (CoRR, 2018)

Beyond content analysis: detecting targeted ads via distributed counting. - Costas Iordanou; Nicolas Kourtellis; Juan Miguel Carrascosa; Claudio Soriente; Rubén Cuevas; Nikolaos Laoutaris (CoNEXT, 2019)

No More Chasing Waterfalls: A Measurement Study of the Header Bidding Ad-Ecosystem. - Michalis Pachilakis; Panagiotis Papadopoulos; Evangelos P. Markatos; Nicolas Kourtellis (Internet Measurement Conference, 2019)

TALON: An Automated Framework for Cross-Device Tracking Detection. - Konstantinos Solomos; Panagiotis Ilia; Sotiris Ioannidis; Nicolas Kourtellis (RAID, 2019)

Towards Specification of a Software Architecture for Cross-Sectoral Big Data Applications. - Ioannis Arapakis; Yolanda Becerra 001; Omer Boehm; George Bravos; Vasilis Chatzigiannakis; Cesare Cugnasco; Giorgos Demetriou; Iliada Eleftheriou; Julien-Etienne Mascolo; Lidija Fodor; Sotiris Ioannidis; Dusan Jakovetic; et al. (SERVICES, 2019)

A Unified Deep Learning Architecture for Abuse Detection. - Antigoni-Maria Founta; Despoina Chatzakou; Nicolas Kourtellis; Jeremy Blackburn; Athena Vakali; Ilias Leontiadis (WebSci, 2019)

Cookie Synchronization: Everything You Always Wanted to Know But Were Afraid to Ask. - Panagiotis Papadopoulos; Nicolas Kourtellis; Evangelos P. Markatos (WWW, 2019)

Disturbed YouTube for Kids: Characterizing and Detecting Disturbing Content on YouTube. - Kostantinos Papadamou; Antonis Papasavva; Savvas Zannettou; Jeremy Blackburn; Nicolas Kourtellis; Ilias Leontiadis; Gianluca Stringhini; Michael Sirivianos (CoRR, 2019)

Measuring ad value without bankrupting user privacy. - Michalis Pachilakis; Panagiotis Papadopoulos; Nikolaos Laoutaris; Evangelos P. Markatos; Nicolas Kourtellis (CoRR, 2019)

The Web of False Information: Rumors, Fake News, Hoaxes, Clickbait, and Various Other Shenanigans. - Savvas Zannettou; Michael Sirivianos; Jeremy Blackburn; Nicolas Kourtellis (ACM J. Data Inf. Qual., 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 (Proc. ACM Hum. Comput. Interact., 2019)

Detecting Cyberbullying and Cyberaggression in Social Media. - Despoina Chatzakou; Ilias Leontiadis; Jeremy Blackburn; Emiliano De Cristofaro; Gianluca Stringhini; Athena Vakali; Nicolas Kourtellis (ACM Trans. Web, 2019)

A Streaming Machine Learning Framework for Online Aggression Detection on Twitter. - Herodotos Herodotou; Despoina Chatzakou; Nicolas Kourtellis (IEEE BigData, 2020)

Not one but many Tradeoffs: Privacy Vs. Utility in Differentially Private Machine Learning. - Benjamin Zi Hao Zhao; Mohamed Ali Kâafar; Nicolas Kourtellis (CCSW, 2020)

FLaaS: Federated Learning as a Service. - Nicolas Kourtellis; Kleomenis Katevas; Diego Perino (DistributedML@CoNEXT, 2020)

A Self-Attentive Emotion Recognition Network. - Harris Partaourides; Kostantinos Papadamou; Nicolas Kourtellis; Ilias Leontiadis; Sotirios Chatzis (ICASSP, 2020)

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 (ICWSM, 2020)

Clash of the Trackers: Measuring the Evolution of the Online Tracking Ecosystem. - Konstantinos Solomos; Panagiotis Ilia; Sotiris Ioannidis; Nicolas Kourtellis (TMA, 2020)

Stop tracking me Bro! Differential Tracking of User Demographics on Hyper-Partisan Websites. - Pushkal Agarwal; Sagar Joglekar 001; Panagiotis Papadopoulos; Nishanth Sastry; Nicolas Kourtellis (WWW, 2020)

Angry Birds Flock Together: Aggression Propagation on Social Media. - Chrysoula Terizi; Despoina Chatzakou; Evaggelia Pitoura; Panayiotis Tsaparas; Nicolas Kourtellis (CoRR, 2020)

On the Aggression Diffusion Modeling and Minimization in Online Social Networks. - Marinos Poiitis; Athena Vakali; Nicolas Kourtellis (CoRR, 2020)

S2CE: a hybrid cloud and edge orchestrator for mining exascale distributed streams. - Nicolas Kourtellis; Herodotos Herodotou; Maciej Grzenda; Piotr Wawrzyniak; Albert Bifet (DEBS, 2021)

Inter-operability and Orchestration in Heterogeneous Cloud/Edge Resources: The ACCORDION Vision. - Ioannis Korontanis; Konstantinos Tserpes; Maria Pateraki; Lorenzo Blasi; John Violos; Ferran Diego; Eduard Marin; Nicolas Kourtellis; Massimo Coppola; Emanuele Carlini; Zbyszek Ledwon; Przemyslaw Tarkowski; et al. (FRAME@HPDC, 2021)

Catching them red-handed: Real-time Aggression Detection on Social Media. - Herodotos Herodotou; Despoina Chatzakou; Nicolas Kourtellis (ICDE, 2021)

Under the Spotlight: Web Tracking in Indian Partisan News Websites. - Vibhor Agarwal; Yash Vekaria; Pushkal Agarwal; Sangeeta Mahapatra; Shounak Set; Sakthi Balan Muthiah; Nishanth Sastry; Nicolas Kourtellis (ICWSM, 2021)

PPFL: privacy-preserving federated learning with trusted execution environments. - Fan Mo 004; Hamed Haddadi; Kleomenis Katevas; Eduard Marin; Diego Perino; Nicolas Kourtellis (MobiSys, 2021)

The Rise and Fall of Fake News sites: A Traffic Analysis. - Manolis Chalkiadakis; Alexandros Kornilakis; Panagiotis Papadopoulos; Evangelos P. Markatos; Nicolas Kourtellis (WebSci, 2021)

YouTubing at Home: Media Sharing Behavior Change as Proxy for Mobility Around COVID-19 Lockdowns. - Yelena Mejova; Nicolas Kourtellis (WebSci, 2021)

Differential Tracking Across Topical Webpages of Indian News Media. - Yash Vekaria; Vibhor Agarwal; Pushkal Agarwal; Sangeeta Mahapatra; Sakthi Balan Muthiah; Nishanth Sastry; Nicolas Kourtellis (WebSci, 2021)

User Tracking in the Post-cookie Era: How Websites Bypass GDPR Consent to Track Users. - Emmanouil Papadogiannakis; Panagiotis Papadopoulos; Nicolas Kourtellis; Evangelos P. Markatos (WWW, 2021)

YouTubing at Home: Media Sharing Behavior Change as Proxy for MobilityAround COVID-19 Lockdowns. - Yelena Mejova; Nicolas Kourtellis (CoRR, 2021)

A First Look into the Structural Properties and Resilience of Blockchain Overlays. - Aristodemos Paphitis; Nicolas Kourtellis; Michael Sirivianos (CoRR, 2021)

Be Daring to Push your Ads Forward: Measuring the (Over)use of Service Workers for Advertising Purposes. - George Pantelakis; Panagiotis Papadopoulos; Nicolas Kourtellis; Evangelos P. Markatos (CoRR, 2021)

Modeling aggression propagation on social media. - Chrysoula Terizi; Despoina Chatzakou; Evaggelia Pitoura; Panayiotis Tsaparas; Nicolas Kourtellis (Online Soc. Networks Media, 2021)

YourAdvalue: Measuring Advertising Price Dynamics without Bankrupting User Privacy. - Michalis Pachilakis; Panagiotis Papadopoulos; Nikolaos Laoutaris; Evangelos P. Markatos; Nicolas Kourtellis (Proc. ACM Meas. Anal. Comput. Syst., 2021)

PPFL: Enhancing Privacy in Federated Learning with Confidential Computing. - Fan Mo 004; Hamed Haddadi; Kleomenis Katevas; Eduard Marin; Diego Perino; Nicolas Kourtellis (GetMobile Mob. Comput. Commun., 2021)

Bias Detection and Generalization in AI Algorithms on Edge for Autonomous Driving. - Dewant Katare; Nicolas Kourtellis; Souneil Park; Diego Perino; Marijn Janssen; Aaron Yi Ding (SEC, 2022)

FLaaS - enabling practical federated learning on mobile environments. - Kleomenis Katevas; Diego Perino; Nicolas Kourtellis (MobiSys, 2022)

Measuring the (Over)use of Service Workers for In-Page Push Advertising Purposes. - George Pantelakis; Panagiotis Papadopoulos; Nicolas Kourtellis; Evangelos P. Markatos (PAM, 2022)

YouTubers Not madeForKids: Detecting Channels Sharing Inappropriate Videos Targeting Children. - Myrsini Gkolemi; Panagiotis Papadopoulos; Evangelos P. Markatos; Nicolas Kourtellis (WebSci, 2022)

I call BS: Fraud Detection in Crowdfunding Campaigns. - Beatrice Perez; Sara R. Machado; Jerone Theodore Alexander Andrews; Nicolas Kourtellis (WebSci, 2022)

FLaaS - practical federated learning as a service for mobile applications. - Kleomenis Katevas; Diego Perino; Nicolas Kourtellis (HotMobile, 2022)

Leveraging Google's Publisher-Specific IDs to Detect Website Administration. - Emmanouil Papadogiannakis; Panagiotis Papadopoulos; Evangelos P. Markatos; Nicolas Kourtellis (WWW, 2022)

Privacy-preserving AI for future networks. - Diego Perino; Kleomenis Katevas; Andra Lutu; Eduard Marin; Nicolas Kourtellis (Commun. ACM, 2022)

A deep dive into the consistently toxic 1% of Twitter. - Hina Qayyum; Benjamin Zi Hao Zhao; Ian D. Wood; Muhammad Ikram 001; Mohamed Ali Kâafar; Nicolas Kourtellis (CoRR, 2022)

A Survey on Privacy for B5G/6G: New Privacy Goals, Challenges, and Research Directions. - Chamara Sandeepa; Bartlomiej Siniarski; Nicolas Kourtellis; Shen Wang 006; Madhusanka Liyanage (CoRR, 2022)

FNDaaS: Content-agnostic Detection of Fake News sites. - Panagiotis Papadopoulos; Dimitris Spithouris; Evangelos P. Markatos; Nicolas Kourtellis (CoRR, 2022)

A PIMS Development Kit for New Personal Data Platforms. - Nikhil Jha; Martino Trevisan; Luca Vassio; Marco Mellia; Stefano Traverso; Álvaro García-Recuero; Nikolaos Laoutaris; Amir Mehrjoo; Santiago Andrés Azcoitia; Rubén Cuevas Rumín; Kleomenis Katevas; Panagiotis Papadopoulos; et al. (IEEE Internet Comput., 2022)

A survey on privacy for B5G/6G: New privacy challenges, and research directions. - Chamara Sandeepa; Bartlomiej Siniarski; Nicolas Kourtellis; Shen Wang 006; Madhusanka Liyanage (J. Ind. Inf. Integr., 2022)

On the Aggression Diffusion Modeling and Minimization in Twitter. - Marinos Poiitis; Athena Vakali; Nicolas Kourtellis (ACM Trans. Web, 2022)

FNDaaS: Content-agnostic Detection of Websites Distributing Fake News. - Panagiotis Papadopoulos; Dimitris Spythouris; Evangelos P. Markatos; Nicolas Kourtellis (IEEE Big Data, 2023)

Exploring the Distinctive Tweeting Patterns of Toxic Twitter Users. - Hina Qayyum; Muhammad Ikram 001; Benjamin Zi Hao Zhao; Ian D. Wood; Nicolas Kourtellis; Mohamed Ali Kâafar (IEEE Big Data, 2023)

On mission Twitter Profiles: A Study of Selective Toxic Behavior. - Hina Qayyum; Muhammad Ikram 001; Benjamin Zi Hao Zhao; Ian D. Wood; Nicolas Kourtellis; Mohamed Ali Kâafar (IEEE Big Data, 2023)

NebulOuS: A Meta-Operating System with Cloud Continuum Brokerage Capabilities. - Yiannis Verginadis; Christos-Alexandros Sarros; Mario Reyes de los Mozos; Simeon Veloudis; Radoslaw Piliszek; Nicolas Kourtellis; Geir Horn (FMEC, 2023)

Not only E.T. Phones Home: Analysing the Native User Tracking of Mobile Browsers. - John Pegioudis; Emmanouil Papadogiannakis; Nicolas Kourtellis; Evangelos P. Markatos; Panagiotis Papadopoulos (IMC, 2023)

Resilience of Blockchain Overlay Networks. - Aristodemos Paphitis; Nicolas Kourtellis; Michael Sirivianos (NSS, 2023)

Graph Analysis of Blockchain P2P Overlays and Their Security Implications. - Aristodemos Paphitis; Nicolas Kourtellis; Michael Sirivianos (SocialSec, 2023)

A longitudinal study of the top 1% toxic Twitter profiles. - Hina Qayyum; Benjamin Zi Hao Zhao; Ian D. Wood; Muhammad Ikram 001; Nicolas Kourtellis; Mohamed Ali Kâafar (WebSci, 2023)

Sponge ML Model Attacks of Mobile Apps. - Souvik Paul; Nicolas Kourtellis (HotMobile, 2023)

The Hitchhiker's Guide to Facebook Web Tracking with Invisible Pixels and Click IDs. - Paschalis Bekos; Panagiotis Papadopoulos; Evangelos P. Markatos; Nicolas Kourtellis (WWW, 2023)

Privacy-Preserving Online Content Moderation: A Federated Learning Use Case. - Pantelitsa Leonidou; Nicolas Kourtellis; Nikos Salamanos; Michael Sirivianos (WWW (Companion Volume), 2023)

Privacy-Preserving Online Content Moderation with Federated Learning. - Pantelitsa Leonidou; Nicolas Kourtellis; Nikos Salamanos; Michael Sirivianos (WWW (Companion Volume), 2023)

Who Funds Misinformation? A Systematic Analysis of the Ad-related Profit Routines of Fake News Sites. - Emmanouil Papadogiannakis; Panagiotis Papadopoulos; Evangelos P. Markatos; Nicolas Kourtellis (WWW, 2023)

Poster: Sponge ML Model Attacks of Mobile Apps. - Souvik Paul; Nicolas Kourtellis (CoRR, 2023)

The Devil is in the Details: Analyzing the Lucrative Ad Fraud Patterns of the Online Ad Ecosystem. - Emmanouil Papadogiannakis; Nicolas Kourtellis; Panagiotis Papadopoulos; Evangelos P. Markatos (CoRR, 2023)

Hierarchical Federated Learning with Privacy. - Varun Chandrasekaran; Suman Banerjee 001; Diego Perino; Nicolas Kourtellis (IEEE Big Data, 2024)

PUFFLE: Balancing Privacy, Utility, and Fairness in Federated Learning. - Luca Corbucci; Mikko A. Heikkilä; David Solans Noguero; Anna Monreale; Nicolas Kourtellis (ECAI, 2024)

The SPATIAL Architecture: Design and Development Experiences from Gauging and Monitoring the AI Inference Capabilities of Modern Applications. - Abdul-Rasheed Ottun; Rasinthe Marasinghe; Toluwani Elemosho; Mohan Liyanage; Mohamad Ragab; Prachi Bagave; Marcus Westberg; Mehrdad Asadi; Michell Boerger; Chamara Sandeepa; Thulitha Senevirathna; Bartlomiej Siniarski; et al. (ICDCS, 2024)

Demystifying Privacy in 5G Stand Alone Networks. - Stavros Eleftherakis; Timothy Otim; Giuseppe Santaromita; Almudena Díaz-Zayas; Domenico Giustiniano; Nicolas Kourtellis (MobiCom, 2024)

Ad Laundering: How Websites Deceive Advertisers into Rendering Ads Next to Illicit Content. - Emmanouil Papadogiannakis; Panagiotis Papadopoulos; Evangelos P. Markatos; Nicolas Kourtellis (WWW (Companion Volume), 2024)

Analyzing and Mitigating Bias for Vulnerable Classes: Towards Balanced Representation in Dataset. - Dewant Katare; David Solans Noguero; Souneil Park; Nicolas Kourtellis; Marijn Janssen; Aaron Yi Ding (CoRR, 2024)

Speech Robust Bench: A Robustness Benchmark For Speech Recognition. - Muhammad A. Shah; David Solans Noguero; Mikko A. Heikkilä; Nicolas Kourtellis (CoRR, 2024)

SenTopX: Benchmark for User Sentiment on Various Topics. - Hina Qayyum; Muhammad Ikram 001; Benjamin Zi Hao Zhao; Ian D. Wood; Mohamad Ali Kâafar; Nicolas Kourtellis (CoRR, 2024)

SoK: Evaluating 5G Protocols Against Legacy and Emerging Privacy and Security Attacks. - Stavros Eleftherakis; Domenico Giustiniano; Nicolas Kourtellis (CoRR, 2024)

Non-IID data in Federated Learning: A Survey with Taxonomy, Metrics, Methods, Frameworks and Future Directions. - Daniel Mauricio Jimenez Gutierrez; David Solans; Mikko A. Heikkilä; Andrea Vitaletti; Nicolas Kourtellis; Aris Anagnostopoulos; Ioannis Chatzigiannakis (CoRR, 2024)

ARASEC: Adaptive Resource Allocation and Model Training for Serverless Edge-Cloud Computing. - Dewant Katare; Eduard Marin; Nicolas Kourtellis; Marijn Janssen; Aaron Yi Ding (IEEE Internet Comput., 2024)

A Survey on Privacy of Personal and Non-Personal Data in B5G/6G Networks. - Chamara Sandeepa; Bartlomiej Siniarski; Nicolas Kourtellis; Shen Wang 006; Madhusanka Liyanage (ACM Comput. Surv., 2024)

Speech Robust Bench: A Robustness Benchmark For Speech Recognition. - Muhammad A. Shah; David Solans Noguero; Mikko A. Heikkilä; Bhiksha Raj; Nicolas Kourtellis (ICLR, 2025)

I Know What You Bought Last Summer: Investigating User Data Leakage in E-Commerce Platforms. - Ioannis Vlachogiannakis; Emmanouil Papadogiannakis; Panagiotis Papadopoulos; Nicolas Kourtellis; Evangelos P. Markatos (SECRYPT, 2025)

SoK: Evaluating 5G-Advanced Protocols Against Legacy and Emerging Privacy and Security Attacks. - Stavros Eleftherakis; Domenico Giustiniano; Nicolas Kourtellis (WISEC, 2025)

Welcome to the Dark Side: Analyzing the Revenue Flows of Fraud in the Online Ad Ecosystem. - Emmanouil Papadogiannakis; Nicolas Kourtellis; Panagiotis Papadopoulos; Evangelos P. Markatos (WWW, 2025)

Before & After: The Effect of EU's 2022 Code of Practice on Disinformation. - Emmanouil Papadogiannakis; Panagiotis Papadopoulos; Nicolas Kourtellis; Evangelos P. Markatos (WWW, 2025)

PSI-PFL: Population Stability Index for Client Selection in non-IID Personalized Federated Learning. - Daniel Mauricio Jimenez Gutierrez; David Solans; Mohammed Elbamby; Nicolas Kourtellis (CoRR, 2025)