Provision of QoS for Legacy IP Applications in an ATM-over-HFC Access Network. - Jürgen Jähnert; Stefan Wahl; Helen-Catherine Leligou (INTERWORKING, 2000)

Performance Evaluation of DiffServ Driven HFC System. - Giannis Pikrammenos; Helen-Catherine Leligou (INTERWORKING, 2000)

Access Control in Shared Access Networks Supporting Internet DiffServ. - John D. Angelopoulos; Nelly Leligou; Theofanis Orphanoudakis; Giannis Pikrammenos; J. Sifnaios; Iakovos S. Venieris (ONDM, 2000)

A QoS-Sensitive MAC for Slotted WDM Metropolitan Rings. - John D. Angelopoulos; Nelly Leligou; H. Linardakis; Alexandros A. Stavdas (ONDM, 2002)

Design and implementation of a diffserv enabled HFC system offering Strict QoS support. - John D. Angelopoulos; Helen-Catherine Leligou; Dietrich Boettle; Stephan Wahl; Paul Christ 001; Jürgen Jähnert (Eur. Trans. Telecommun., 2002)

Using a multiple priority reservation MAC to support differentiated services over HFC systems. - John D. Angelopoulos; Nelly Leligou; Theofanis Orphanoudakis; Giannis Pikrammenos (Int. J. Commun. Syst., 2002)

An innovative scheduling scheme for high-speed network processors. - Ioannis Papaefstathiou; Helen-Catherine Leligou; Theofanis Orphanoudakis; George Kornaros; Nicholaos Zervos; George E. Konstantoulakis (ISCAS (2), 2003)

The European IST project DAVID: a viable approach toward optical packet switching. - Lars Dittmann; Chris Develder; Dominique Chiaroni; Fabio Neri; Franco Callegati; W. Körber; Alexandros A. Stavdas; Monique Renaud; Albert Rafel; Josep Solé-Pareta; Walter Cerroni; Nelly Leligou; et al. (IEEE J. Sel. Areas Commun., 2003)

Prioritized Multiplexing of Traffic Accessing an FSAN-Compliant GPON. - John D. Angelopoulos; Helen-Catherine Leligou; Theodore Argyriou; Stelios Zontos (NETWORKING, 2004)

Efficient transport of packets with QoS in an FSAN-aligned GPON. - John D. Angelopoulos; Helen-Catherine Leligou; Theodore Argyriou; Stelios Zontos; Edwin Ringoot; Tom Van Caenegem (IEEE Commun. Mag., 2004)

A MAC protocol for efficient multiplexing QoS-sensitive and best-effort traffic in dynamically configurable WDM rings. - Helen-Catherine Leligou; John D. Angelopoulos; Charalambos Linardakis; Alexandros A. Stavdas (Comput. Networks, 2004)

Leaky-bucket shaper design based on time interval grouping. - Theofanis Orphanoudakis; Christos N. Charopoulos; Helen-Catherine Leligou (IEEE Commun. Lett., 2005)

Optical Communications Efficient burst aggregation for QoS-aware slotted OBS systems. - Helen-Catherine Leligou; Konstantinos Kanonakis; John D. Angelopoulos; Ioannis E. Pountourakis; Theofanis Orphanoudakis (Eur. Trans. Telecommun., 2006)

Efficient medium arbitration of FSAN-compliant GPONs. - Helen-Catherine Leligou; Charalambos Linardakis; Konstantinos Kanonakis; John D. Angelopoulos; Theofanis Orphanoudakis (Int. J. Commun. Syst., 2006)

Dynamic address resolution for enhanced configurability in packet-based TDMA GPONs. - John D. Angelopoulos; C. Dessauvage; Helen-Catherine Leligou; Konstantinos Kanonakis; Chris Matrakidis; Erwin Six (Inf. Sci., 2007)

Architecture and implementation of a Frame Aggregation Unit for optical frame-based switching. - George Kornaros; Wolfram Lautenschlaeger; Matthias Sund; Helen-Catherine Leligou (FPL, 2008)

Dynamic CANON: a scalable multidomain core network. - Alexandros A. Stavdas; Theofanis Orphanoudakis; Helen-Catherine Leligou; Konstantinos Kanonakis; Chris Matrakidis; Andreas Drakos; John D. Angelopoulos; Andrew Lord (IEEE Commun. Mag., 2008)

Optical Communications Reservations inside clusters of all-optical core nodes achieve distributed burst aggregation and switching improving efficiency and loss. - Alexandros A. Stavdas; Konstantinos Kanonakis; G. Koukouvakis; Helen-Catherine Leligou; Theofanis Orphanoudakis; John D. Angelopoulos (Eur. Trans. Telecommun., 2008)

Securing wireless sensor networks towards a trusted "Internet of Things". - Theodore B. Zahariadis; Panagiotis Trakadas; Helen-Catherine Leligou; Kostas Papadopoylos; Evangelos Ladis; Christos Tselikis; Charalampos Vangelatos; Lionel Besson; Jukka Manner; Michael I. Loupis; Federico Alvarez; Ioannis Papaefstathiou (Future Internet Assembly, 2009)

A novel flexible trust management system for heterogeneous wireless sensor networks. - Panagiotis Trakadas; Sotiris Maniatis; Panagiotis Karkazis; Theodore B. Zahariadis; Helen-Catherine Leligou; Stamatis Voliotis (ISADS, 2009)

A Distributed Energy-Aware Trust Management System for Secure Routing in Wireless Sensor Networks. - Yannis Stelios; Nikos Papayanoulas; Panagiotis Trakadas; Sotiris Maniatis; Helen-Catherine Leligou; Theodore B. Zahariadis (MOBILIGHT, 2009)

Dynamic resource allocation with service guarantees over large scale optical networks. - Theofanis Orphanoudakis; Andreas Drakos; Helen-Catherine Leligou; Alexandros A. Stavdas; Anthony C. Boucouvalas (IEEE Commun. Lett., 2009)

Performance evaluation of GPON vs EPON for multi-service access. - Theofanis Orphanoudakis; Helen-Catherine Leligou; Evangelos A. Kosmatos; John D. Angelopoulos (Int. J. Commun. Syst., 2009)

Future Internet Infrastructure Based on the Transparent Integration of Access and Core Optical Transport Networks. - Theofanis Orphanoudakis; Helen C. Leligou; Evangelos A. Kosmatos; Alexandros A. Stavdas (JOCN, 2009)

Energy Efficiency and Implementation Cost of Trust-Aware Routing Solutions in WSNs. - Theodore B. Zahariadis; Helen-Catherine Leligou; Panagiotis Karkazis; Panagiotis Trakadas (Panhellenic Conference on Informatics, 2010)

Secure Geographic Routing in Ad Hoc and Wireless Sensor Networks. - Mariano García Otero; Theodore B. Zahariadis; Federico Alvarez; Helen-Catherine Leligou; Adrián Población-Hernández; Panagiotis Karkazis; Francisco Javier Casajús-Quirós (EURASIP J. Wirel. Commun. Netw., 2010)

Mobile Networks Trust management in wireless sensor networks. - Theodore B. Zahariadis; Helen-Catherine Leligou; Panagiotis Trakadas; Stamatis Voliotis (Eur. Trans. Telecommun., 2010)

RPL modeling in J-Sim platform. - Panagiotis Karkazis; Panagiotis Trakadas; Theodore B. Zahariadis; Antonios Hatziefremidis; Helen-Catherine Leligou (INSS, 2012)

Geographical routing in wireless sensor networks. - Panagiotis Karkazis; Helen-Catherine Leligou; Theofanis Orphanoudakis; Theodore B. Zahariadis (TEMU, 2012)

Design of primary and composite routing metrics for RPL-compliant Wireless Sensor Networks. - Panagiotis Karkazis; Helen-Catherine Leligou; Lambros Sarakis; Theodore B. Zahariadis; Panagiotis Trakadas; Terpsichori Helen Velivassaki; Christos N. Capsalis (TEMU, 2012)

Converged access network infrastructure based on Virtual PONs. - Theofanis Orphanoudakis; Chris Matrakidis; Christina Tanya Politi; Alexandros A. Stavdas; Helen-Catherine Leligou (TEMU, 2012)

A framework for service provisioning in virtual sensor networks. - Lambros Sarakis; Theodore B. Zahariadis; Helen-Catherine Leligou; Mischa Dohler (EURASIP J. Wirel. Commun. Netw., 2012)

Combining trust with location information for routing in wireless sensor networks. - Helen-Catherine Leligou; Panagiotis Trakadas; Sotirios Maniatis; Panagiotis Karkazis; Theodore B. Zahariadis (Wirel. Commun. Mob. Comput., 2012)

Managing QoS for Future Internet Applications over Virtual Sensor Networks. - Panagiotis Trakadas; Helen-Catherine Leligou; Theodore B. Zahariadis; Panagiotis Karkazis; Lambros Sarakis (Future Internet Assembly, 2013)

Evaluating routing metric composition approaches for QoS differentiation in low power and lossy networks. - Panagiotis Karkazis; Panagiotis Trakadas; Helen-Catherine Leligou; Lambros Sarakis; Ioannis Papaefstathiou; Theodore B. Zahariadis (Wirel. Networks, 2013)

A Novel Trust-Aware Geographical Routing Scheme for Wireless Sensor Networks. - Theodore B. Zahariadis; Panagiotis Trakadas; Helen-Catherine Leligou; Sotiris Maniatis; Panagiotis Karkazis (Wirel. Pers. Commun., 2013)

A Novel Infrastructure Facilitating Access to, Charging, Ordering and Funding of Assistive Services. - Gianna Tsakou; Helen-Catherine Leligou; Nikos Katevas (HCI (7), 2014)

Hybrid resource reservation scheme for transparent integration of access and core optical transport networks. - Theofanis Orphanoudakis; Evangelos A. Kosmatos; Chris Matrakidis; Alexandros A. Stavdas; Helen-Catherine Leligou (ICTON, 2014)

Evaluation of a transmission count-efficient metric for energy-aware routing in WSNs. - Lambros Sarakis; Helen-Catherine Leligou; Panagiotis Karkazis; Terpsichori-Helen N. Velivasaki; Theodore B. Zahariadis (TEMU, 2014)

An 802.11p Compliant System Prototype Supporting Road Safety and Traffic Management Applications. - Helen-Catherine Leligou; Periklis Chatzimisios; Lambros Sarakis; Theofanis Orphanoudakis; Panagiotis Karkazis; Theodore B. Zahariadis (Int. J. Wirel. Networks Broadband Technol., 2014)

Dynamic resource allocation in elastic optical networks. - Christina Tanya Politi; Theofanis Orphanoudakis; Evangelos A. Kosmatos; Helen C. Leligou (ICTON, 2015)

Resource and service virtualisation in M2M and IoT platforms. - Panagiotis Karkazis; Panagiotis Trakadas; Theodore B. Zahariadis; Ioannis Chatzigiannakis; Mischa Dohler; Andrea Vitaletti; Athanasios Antoniou; Helen-Catherine Leligou; Lambros Sarakis (Int. J. Intell. Eng. Informatics, 2015)

Novel Simulation Approaches for Smart Grids. - Eleftherios Tsampasis; Lambros Sarakis; Helen-Catherine Leligou; Theodore B. Zahariadis; John D. Garofalakis (J. Sens. Actuator Networks, 2016)

Providing entertainment app lications in VANET environments. - Lambros Sarakis; Theofanis Orphanoudakis; Helen-Catherine Leligou; Stamatis Voliotis; Artemis C. Voulkidis (IEEE Wirel. Commun., 2016)

Using the Assistance on Demand Platform to Set Up a Network of Assistance Services. - Helen-Catherine Leligou; Athanasoulis Panagiotis; Gianna Tsakou; Gregg C. Vanderheiden; Otilia Kocsis; Nikos Katevas (AAATE Conf., 2017)

Addressing behavioral change towards energy efficiency in European educational buildings. - Georgios Mylonas; Dimitrios Amaxilatis; Helen-Catherine Leligou; Theodore B. Zahariadis; E. Zacharioudakis; Jörg Hofstätter; Andreas Friedl; Federica Paganelli; Giovanni Cuffaro; Jimm Lerch (GIoTS, 2017)

Adaptive Learning Based on Affect Sensing. - Dorothea Tsatsou; Andrew Pomazanskyi; Enrique Hortal; Evaggelos Spyrou; Helen C. Leligou; Stylianos Asteriadis; Nicholas Vretos; Petros Daras (AIED (2), 2018)

Exploiting IoT Technologies for Personalized Learning. - Evaggelos Spyrou; Nicholas Vretos; Andrew Pomazanskyi; Stylianos Asteriadis; Helen C. Leligou (CIG, 2018)

MATISSE: A Smart Hospital Ecosystem. - Christos Zachariadis; Terpsichori Helen Velivassaki; Theodore B. Zahariadis; Konstantinos Railis; Helen C. Leligou (DSD, 2018)

Smart Grid: a demanding use case for 5G technologies. - Helen C. Leligou; Theodore B. Zahariadis; Lambros Sarakis; Eleftherios Tsampasis; Artemis C. Voulkidis; Terpsichori Helen Velivassaki (PerCom Workshops, 2018)

Preface. - Ioannis Chatzigiannakis; Fariba Sadri; Sten Hanke; Markus Garschall; Julia Himmelsbach; Aris S. Lalos; Helen C. Leligou; Georgios Mylonas; Katja Neureiter; Antonio F. Skarmeta (BRAINS/WS-AFFIN@AmI, 2018)

Secure Open Federation of IoT Platforms Through Interledger Technologies - The SOFIE Approach. - Dmitrij Lagutin; Francesco Bellesini; Tommaso Bragatto; Alessio Cavadenti; Vincenzo Croce; Yki Kortesniemi; Helen C. Leligou; Yannis Oikonomidis; George C. Polyzos; Giuseppe Raveduto; Francesca Santori; Panagiotis Trakadas; et al. (EuCNC, 2019)

Toward a Blockchain-Enabled Crowdsourcing Platform. - Dimitrios G. Kogias; Helen C. Leligou; Michael G. Xevgenis; Maria Polychronaki; Evangelos Katsadouros; George Loukas; Ryan Heartfield; Charalampos Z. Patrikakis (IT Prof., 2019)

Generic platform for registration and online offering of assistance-on-demand (AoD) services in an inclusive infrastructure. - Helen C. Leligou; Athanasoulis Panagiotis; Gianna Tsakou; Gregg C. Vanderheiden; Katerina Touliou; Otilia Kocsis; Nikos Katevas (Univers. Access Inf. Soc., 2019)

Exploiting sensing devices availability in AR/VR deployments to foster engagement. - Nicholas Vretos; Petros Daras; Stylianos Asteriadis; Enrique Hortal; Esam Ghaleb; Evaggelos Spyrou; Helen C. Leligou; Panagiotis Karkazis; Panagiotis Trakadas; Kostantinos Assimakopoulos (Virtual Real., 2019)

The SOFIE Approach to Address the Security and Privacy of the IoT Using Interledger Technologies. - Dmitrij Lagutin; Priit Anton; Francesco Bellesini; Tommaso Bragatto; Alessio Cavadenti; Vincenzo Croce; Nikos Fotiou; Margus Haavala; Yki Kortesniemi; Helen C. Leligou; Ahsan Manzoor; Yannis Oikonomidis; et al. (Security and Privacy in the Internet of Things, 2019)

Using Blockchain Technologies to Improve Security in Federated Learning Systems. - Andrew Ronald Short; Helen C. Leligou; Michael Papoutsidakis; Efstathios Theocharis (COMPSAC, 2020)

A Survey on the Available Blockchain Platforms and Protocols for Supply Chain Management. - Michael G. Xevgenis; Dimitris Kogias; Helen C. Leligou; Christos Chatzigeorgiou; Michalis Feidakis; Charalampos Z. Patrikakis (IOT4SAFE@ESWC, 2020)

Embracing Novel ICT Technologies to Support the Journey From Camp to Job. - Helen C. Leligou; Despina Anastosopoulos; Anita Montagna; Vassilis Solachidis; Nicholas Vretos (ICME Workshops, 2020)

Application of Blockchain Technology in Dynamic Resource Management of Next Generation Networks. - Michael G. Xevgenis; Dimitrios G. Kogias; Panagiotis Karkazis; Helen C. Leligou; Charalampos Z. Patrikakis (Inf., 2020)

Comparison of Management and Orchestration Solutions for the 5G Era. - Panagiotis Trakadas; Panagiotis Karkazis; Helen C. Leligou; Theodore B. Zahariadis; Felipe Vicens; Arturo Zurita; Pol Alemany; Thomas Soenen; Carlos Parada; José Bonnet; Eleni Fotopoulou; Anastasios Zafeiropoulos; et al. (J. Sens. Actuator Networks, 2020)

An Artificial Intelligence-Based Collaboration Approach in Industrial IoT Manufacturing: Key Concepts, Architectural Extensions and Potential Applications. - Panagiotis Trakadas; Pieter Simoens; Panagiotis K. Gkonis; Lambros Sarakis; Angelos Angelopoulos; Alfonso P. Ramallo-González; Antonio F. Skarmeta; Christos Trochoutsos; Daniel Calvomicron; Tomás Pariente Lobo; Keshav Chintamani; Izaskun Fernández; et al. (Sensors, 2020)

Farm to fork: securing a supply chain with direct impact on food security. - Panagiotis Trakadas; Helen C. Leligou; Panagiotis Karkazis; Antonis Gonos; Theodore B. Zahariadis (HPSR, 2021)

Execution of a Federated Learning process within a smart contract. - Andrew Ronald Short; Helen C. Leligou; Efstathios Theocharis (ICCE, 2021)

Comparative evaluation of Machine Learning algorithms and Physical based models for the prediction of Vessel Speed in real life applications. - Kiriakos Alexiou; Efthimios Pariotis; Theodoros Zannis; Stylianos Polyzos; Helen C. Leligou (PCI, 2021)

A Holistic and Scalable Solution for Research, Innovation and Education During the Energy Transition. - Helen C. Leligou (ERCIM News, 2021)

Machine Learning Resource Optimization Enabled by Cross Layer Monitoring. - Dimitrios Uzunidis; Panagiotis Karkazis; Helen C. Leligou (CSNDSP, 2022)

OPTORER PPE: Optimal routing and exploration of touristic and cultural areas of interest within Attica given personalized adaptive preferences, promoted underlying purpose and interactive experience. - Maria Polychronaki; Costas Vassilakis 002; Dimitrios Kogias; Helen C. Leligou; Ioannis Vagiannis (PCI, 2022)

Evaluation of a blockchain-enabled resource management mechanism for NGNs. - Michael G. Xevgenis; Dimitrios Kogias; Ioannis Christidis; Charalampos Z. Patrikakis; Helen C. Leligou (CoRR, 2022)

Design Challenges on Machine-Learning Enabled Resource Optimization. - Panagiotis Karkazis; Dimitris Uzunidis; Panagiotis Trakadas; Helen C. Leligou (IT Prof., 2022)

Decentralized Blockchain-Based IoT Data Marketplaces. - John Christidis; Panagiotis Karkazis; Pericles Papadopoulos; Helen-Catherine Leligou (J. Sens. Actuator Networks, 2022)

Design Space Exploration of a Multi-Model AI-Based Indoor Localization System. - Konstantinos Kotrotsios; Anastasios Fanariotis; Helen-Catherine Leligou; Theofanis Orphanoudakis (Sensors, 2022)

Semi-Blind Multiuser Detection Under the Presence of Reconfigurable Intelligent Surfaces. - Nikolaos I. Miridakis; Theodoros A. Tsiftsis; Guanghua Yang; Panagiotis Karkazis; Helen C. Leligou (IEEE Wirel. Commun. Lett., 2022)

Security Architecture in the SILVANUS project. - Natan Orzechowski; Karol Rzepka; Przemyslaw Szary; Krzysztof Cabaj; Wojciech Mazurczyk; Helen C. Leligou; Marcin Przybyszewski; Rafal Kozik; Michal Choras (ARES, 2023)

Runtime security monitoring by an interplay between rule matching and deep learning-based anomaly detection on logs. - Jan Antic; João Pita Costa; Ales Cernivec; Matija Cankar; Tomaz Martincic; Aljaz Potocnik; Gorka Benguria Elguezabal; Nelly Leligou; Ismael Torres Boigues (DRCN, 2023)

Blockchain-Enhanced Labor Protection: An Innovative Complaint Platform for Transparent Workplace Compliance and Fair Competition. - John Christidis; Helen C. Leligou; Pericles Papadopoulos (NiDS (2), 2023)

One Dimensional Fingerprinting as an Alternative to the Free Space Path Loss Equation for Indoor Positioning. - Dimosthenis Margaritis; Helen C. Leligou; Dimitrios G. Kogias (NiDS (1), 2023)

An Indoor Mapping Scheme for BLE Beacon Based Navigation. - Dimosthenis Margaritis; Dimitrios G. Kogias; Helen C. Leligou (PCI, 2023)

SAMStyler: Enhancing Visual Creativity With Neural Style Transfer and Segment Anything Model (SAM). - Konstantinos Psychogyios; Helen C. Leligou; Filisia Melissari; Stavroula Bourou; Zacharias Anastasakis; Theodore B. Zahariadis (IEEE Access, 2023)

Addressing ZSM Security Issues with Blockchain Technology. - Michael G. Xevgenis; Dimitrios G. Kogias; Panagiotis Karkazis; Helen C. Leligou (Future Internet, 2023)

Optimal resource optimisation based on multi-layer monitoring. - Dimitrios Uzunidis; Panagiotis Karkazis; Helen C. Leligou (IET Networks, 2023)

Enhancing Reliability in 6G Networks Based on User-Driven AI. - Christos Betzelos; Dimitrios Uzunidis; Panagiotis Karkazis; Helen C. Leligou (CAMAD, 2024)

My University Studies (M.U.St): An Academic Proof of Concept for the Web3.0. - Maria Polychronaki; Ioannis Christidis; Michael G. Xevgenis; Dimitrios G. Kogias; Helen C. Leligou (PCI, 2024)

Rule-Based With Machine Learning IDS for DDoS Attack Detection in Cyber-Physical Production Systems (CPPS). - Ayaz Hussain; Eva Marín-Tordera; Xavi Masip-Bruin; Helen C. Leligou (IEEE Access, 2024)

Blockchain-Powered Gaming: Bridging Entertainment with Serious Game Objectives. - Dimitrios Stamatakis; Dimitrios G. Kogias; Pericles Papadopoulos; Panagiotis Karkazis; Helen C. Leligou (Comput., 2024)

Extreme Level Crossing Rate: A New Performance Indicator for URLLC Systems. - Nikolaos I. Miridakis; Theodoros A. Tsiftsis; Panagiotis Karkazis; Helen C. Leligou; Fotis Foukalas (IEEE Trans. Veh. Technol., 2024)

OPTORER: A Dynamic Routing and Touring Service for Indoors and Outdoor Tours. - Constantinos Vassilakis; Maria Polychronaki; Dimosthenis Margaritis; Dimitrios G. Kogias; Helen C. Leligou (Sensors, 2024)

Harnessing Artificial Intelligence for Automated Diagnosis. - Christos Zachariadis; Helen C. Leligou (Inf., 2024)

Impact of Inter-Operator Interference via Reconfigurable Intelligent Surfaces. - Nikolaos I. Miridakis; Theodoros A. Tsiftsis; Panagiotis Karkazis; Helen C. Leligou; Petar Popovski (IEEE Wirel. Commun. Lett., 2024)

Integration of AIS Data for Efficient Drone Navigation in Maritime Real-Time Ship Inspection Missions. - Theodoros Karachalios; Panagiotis Moschos; Anastasios Fanariotis; Theofanis Orphanoudakis; Helen-Catherine Leligou (SII, 2025)