22 citations · 72 across the 10 of their papers we have counts for
10 papers
Fundamental dynamics of popularity-similarity trajectories in real networks
Evangelos S. Papaefthymiou, Costas Iordanou, Fragkiskos Papadopoulos
Real networks are complex dynamical systems, evolving over time with the addition and deletion of nodes and links. Currently, there exists no principled mathematical theory for the…
Securing Federated Sensitive Topic Classification against Poisoning Attacks
Tianyue Chu, Alvaro Garcia-Recuero, Costas Iordanou +2
We present a Federated Learning (FL) based solution for building a distributed classifier capable of detecting URLs containing GDPR-sensitive content related to categories such as…
Topology and Geometry of the Third-Party Domains Ecosystem: Measurement and Applications
Costas Iordanou, Fragkiskos Papadopoulos
Over the years, web content has evolved from simple text and static images hosted on a single server to a complex, interactive and multimedia-rich content hosted on different serve…
What Is the Price of Data? A Measurement Study of Commercial Data Marketplaces
Santiago Andrés Azcoitia, Costas Iordanou, Nikolaos Laoutaris
A large number of Data Marketplaces (DMs) have appeared in the last few years to help owners monetise their data, and data buyers fuel their marketing process, train their ML model…
A Unified Graph-Based Approach to Disinformation Detection using Contextual and Semantic Relations
Marius Paraschiv, Nikos Salamanos, Costas Iordanou +2
As recent events have demonstrated, disinformation spread through social networks can have dire political, economic and social consequences. Detecting disinformation must inevitabl…
My Mouse, My Rules: Privacy Issues of Behavioral User Profiling via Mouse Tracking
Luis A. Leiva, Ioannis Arapakis, Costas Iordanou
This paper aims to stir debate about a disconcerting privacy issue on web browsing that could easily emerge because of unethical practices and uncontrolled use of technology. We de…
Design of a Near-Ideal Fault-Tolerant Routing Algorithm for Network-on-Chip-Based Multicores
Costas Iordanou, Vassos Soteriou, Konstantinos Aisopos
With relentless CMOS technology downsizing Networks-on-Chips (NoCs) are inescapably experiencing escalating susceptibility to wearout and reduced reliability. While faults in proce…
Did State-sponsored Trolls Shape the 2016 US Presidential Election Discourse? Quantifying Influence on Twitter
Nikos Salamanos, Michael J. Jensen, Costas Iordanou +1
It is a widely accepted fact that state-sponsored Twitter accounts operated during the 2016 US presidential election, spreading millions of tweets with misinformation and inflammat…
Who's Tracking Sensitive Domains?
Costas Iordanou, Georgios Smaragdakis, Nikolaos Laoutaris
We turn our attention to the elephant in the room of data protection, which is none other than the simple and obvious question: "Who's tracking sensitive domains?". Despite a fast-…
Beyond content analysis: Detecting targeted ads via distributed counting
Costas Iordanou, Nicolas Kourtellis, Juan Miguel Carrascosa +3
Being able to check whether an online advertisement has been targeted is essential for resolving privacy controversies and implementing in practice data protection regulations like…