Search Results - "Ioannidis, Sotiris"

Acceleration of Intrusion Detection in Encrypted Network Traffic Using Heterogeneous Hardware by Papadogiannaki, Eva, Ioannidis, Sotiris

“…More than 75% of Internet traffic is now encrypted, and this percentage is constantly increasing. The majority of communications are secured using common…”
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What Tweets and YouTube comments have in common? Sentiment and graph analysis on data related to US elections 2020 by Shevtsov, Alexander, Oikonomidou, Maria, Antonakaki, Despoina, Pratikakis, Polyvios, Ioannidis, Sotiris

“…Most studies analyzing political traffic on Social Networks focus on a single platform, while campaigns and reactions to political events produce interactions…”
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Social media analysis during political turbulence by Antonakaki, Despoina, Spiliotopoulos, Dimitris, V Samaras, Christos, Pratikakis, Polyvios, Ioannidis, Sotiris, Fragopoulou, Paraskevi

“…Today, a considerable proportion of the public political discourse on nationwide elections proceeds in Online Social Networks. Through analyzing this content,…”
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Computing and Communications for the Software-Defined Metamaterial Paradigm: A Context Analysis by Abadal, Sergi, Liaskos, Christos, Tsioliaridou, Ageliki, Ioannidis, Sotiris, Pitsillides, Andreas, Solé-Pareta, Josep, Alarcón, Eduard, Cabellos-Aparicio, Albert

“…Metamaterials are artificial structures that have recently enabled the realization of novel electromagnetic components with engineered and even unnatural…”
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CYRA: A Model-Driven CYber Range Assurance Platform by Smyrlis, Michail, Somarakis, Iason, Spanoudakis, George, Hatzivasilis, George, Ioannidis, Sotiris

“…Digital technologies are facilitating our daily activities, and thus leading to the social transformation with the upcoming 5G communications and the Internet…”
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A survey on vulnerability assessment tools and databases for cloud-based web applications by Kritikos, Kyriakos, Magoutis, Kostas, Papoutsakis, Manos, Ioannidis, Sotiris

“…Due to its various offered benefits, an ever increasing number of applications are migrated to the cloud. However, such a migration should be carefully…”
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Towards a Collection of Security and Privacy Patterns by Papoutsakis, Manos, Fysarakis, Konstantinos, Spanoudakis, George, Ioannidis, Sotiris, Koloutsou, Konstantina

“…Security and privacy (SP)-related challenges constitute a significant barrier to the wider adoption of Internet of Things (IoT)/Industrial IoT (IIoT) devices…”
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Modern Aspects of Cyber-Security Training and Continuous Adaptation of Programmes to Trainees by Hatzivasilis, George, Ioannidis, Sotiris, Smyrlis, Michail, Spanoudakis, George, Frati, Fulvio, Goeke, Ludger, Hildebrandt, Torsten, Tsakirakis, George, Oikonomou, Fotis, Leftheriotis, George, Koshutanski, Hristo

“…Nowadays, more-and-more cyber-security training is emerging as an essential process for the lifelong personnel education in organizations, especially for those…”
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Exploration of Intercell Wireless Millimeter-Wave Communication in the Landscape of Intelligent Metasurfaces by Tasolamprou, Anna C., Pitilakis, Alexandros, Abadal, Sergi, Tsilipakos, Odysseas, Timoneda, Xavier, Taghvaee, Hamidreza, Sajjad Mirmoosa, Mohammad, Liu, Fu, Liaskos, Christos, Tsioliaridou, Ageliki, Ioannidis, Sotiris, Kantartzis, Nikolaos V., Manessis, Dionysios, Georgiou, Julius, Cabellos-Aparicio, Albert, Alarcon, Eduard, Pitsillides, Andreas, Akyildiz, Ian F., Tretyakov, Sergei A., Economou, Eleftherios N., Kafesaki, Maria, Soukoulis, Costas M.

“…Software-defined metasurfaces are electromagnetically ultra-thin, artificial components that can provide engineered and externally controllable…”
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CIRCE: Architectural Patterns for Circular and Trustworthy By-Design IoT Orchestrations by Papoutsakis, Manos, Fysarakis, Konstantinos, Michalodimitrakis, Emmanouil, Spanoudakis, George, Ioannidis, Sotiris

“…The adoption of Internet of Things (IoT) devices, applications and services gradually transform our everyday lives. In parallel, the transition from linear to…”
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Artificial Intelligence-Driven Composition and Security Validation of an Internet of Things Ecosystem by Hatzivasilis, George, Papadakis, Nikos, Hatzakis, Ilias, Ioannidis, Sotiris, Vardakis, George

“…Key challenges in Internet-of-Things (IoT) system design and management include the secure system composition and the calculation of the security and…”
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On the Mobility Effect in UAV-mounted Absorbing Metasurfaces: A Theoretical and Experimental Study by Pitilakis, Alexandros, Tyrovolas, Dimitrios, Mekikis, Prodromos-Vasileios, Tegos, Sotiris A., Papadopoulos, Alexandros, Tsioliaridou, Aggeliki, Tsilipakos, Odysseas, Manessis, Dionysios, Ioannidis, Sotiris, Kantartzis, Nikolaos, Akyildiz, Ian F., Liaskos, Christos K.

“…In this work, we focus on the theoretical modeling and experimental evaluation of UAV-mounted absorbing metasurfaces as facilitators for secure wireless…”
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XR-RF Imaging Enabled by Software-Defined Metasurfaces and Machine Learning: Foundational Vision, Technologies and Challenges by Liaskos, Christos, Tsioliaridou, Aggeliki, Georgopoulos, Konstantinos, Morianos, Ioannis, Ioannidis, Sotiris, Salem, Iosif, Manessis, Dionyssios, Schmid, Stefan, Tyrovolas, Dimitrios, Tegos, Sotirios A., Mekikis, Prodromos-Vasileios, Diamantoulakis, Panagiotis D., Pitilakis, Alexandros, Kantartzis, Nikolaos, Karagiannidis, George K., Tasolamprou, Anna C., Tsilipakos, Odysseas, Kafesaki, Maria, Akyildiz, Ian F., Pitsillides, Andreas, Pateraki, Maria, Vakalellis, Michael, Spais, Ilias

“…We present a new approach to Extended Reality (XR), denoted as iCOPYWAVES, which seeks to offer naturally low-latency operation and cost effectiveness,…”
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A survey of Twitter research: Data model, graph structure, sentiment analysis and attacks by Antonakaki, Despoina, Fragopoulou, Paraskevi, Ioannidis, Sotiris

“…Twitter is the third most popular worldwide Online Social Network (OSN) after Facebook and Instagram. Compared to other OSNs, it has a simple data model and a…”
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Network Topology Effects on the Detectability of Crossfire Attacks by Liaskos, Christos, Ioannidis, Sotiris

“…New strains of distributed denial-of-service (DDoS) attacks have exhibited potential to disconnect communication networks, even cutting off entire countries…”
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Pump Up the JARM: Studying the Evolution of Botnets Using Active TLS Fingerprinting by Papadogiannaki, Eva, Ioannidis, Sotiris

“…The growing adoption of network encryption protocols, like TLS, has altered the scene of monitoring network traffic. With the advent increase in network…”
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A novel communication paradigm for high capacity and security via programmable indoor wireless environments in next generation wireless systems by Liaskos, Christos, Nie, Shuai, Tsioliaridou, Ageliki, Pitsillides, Andreas, Ioannidis, Sotiris, Akyildiz, Ian

“…Wireless communication environments comprise passive objects that cause performance degradation and eavesdropping concerns due to anomalous scattering. This…”
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On the Network-Layer Modeling and Configuration of Programmable Wireless Environments by Liaskos, Christos, Tsioliaridou, Ageliki, Nie, Shuai, Pitsillides, Andreas, Ioannidis, Sotiris, Akyildiz, Ian F.

“…Programmable wireless environments enable the software-defined propagation of waves within them, yielding exceptional performance. Several building-block…”
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Software-Defined Reconfigurable Intelligent Surfaces: From Theory to End-to-End Implementation by Liaskos, Christos, Mamatas, Lefteris, Pourdamghani, Arash, Tsioliaridou, Ageliki, Ioannidis, Sotiris, Pitsillides, Andreas, Schmid, Stefan, Akyildiz, Ian F.

“…Programmable wireless environments (PWEs) utilize internetworked intelligent metasurfaces to transform wireless propagation into a software-controlled…”
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Scheduling of multiple network packet processing applications using Pythia by Giakoumakis, Giannis, Papadogiannaki, Eva, Vasiliadis, Giorgos, Ioannidis, Sotiris

“…Modern commodity computing systems are composed by a number of different heterogeneous processing units, each of which has its own unique performance and…”
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