Marios Belk

89 papers A* 1A 10B 3C 2Journal 13Unranked 58
YearRankTypeTitle / Venue / Authors
2025 J jnl
CulturAI: Advancing Mixed Reality Art Experiences with Large Language Models.
ERCIM News
Dimitrios Koukopoulos, Christos A. Fidas, Marios Belk
2025 — conf
The Reel Deal: Designing and Evaluating LLM-Generated Short-Form Educational Videos.
CHI Greece
Lazaros Stavrinou, Argyris Constantinides, Marios Belk, Vasos Vassiliou, Fotis Liarokapis, Marios Constantinides
2025 J jnl
The Reel Deal: Designing and Evaluating LLM-Generated Short-Form Educational Videos.
CoRR
Lazaros Stavrinou, Argyris Constantinides, Marios Belk, Vasos Vassiliou, Fotis Liarokapis, Marios Constantinides
2024 — conf
CulturAI: Exploring Mixed Reality Art Exhibitions with Large Language Models for Personalized Immersive Experiences.
UMAP (Adjunct Publication)
Nicolas Constantinides, Argyris Constantinides, Dimitrios Koukopoulos, Christos Fidas, Marios Belk
2023 J jnl
Continuous user identification in distance learning: a recent technology perspective.
Smart Learn. Environ.
David Portugal, José N. Faria, Marios Belk, Pedro Martins, Argyris Constantinides, Anna Maria Pietron, Andreas Pitsillides, Nikolaos M. Avouris, Christos A. Fidas
2023 — conf
Image-based Face Verification for Student Identity Management - the TRUSTID Case Study.
UMAP (Adjunct Publication)
José Nuno Faria, David Portugal, Pedro Martins, Marios Belk, Argyris Constantinides, Andreas Pitsillides, Christos Fidas
2023 J jnl
Security and Usability of a Personalized User Authentication Paradigm: Insights from a Longitudinal Study with Three Healthcare Organizations.
ACM Trans. Comput. Heal.
Argyris Constantinides, Marios Belk, Christos Fidas, Roy Beumers, David Vidal, Wanting Huang, Juliana Bowles, Thais Webber, Agastya Silvina, Andreas Pitsillides
2023 — conf
TRUSTID: Intelligent and Continuous Online Student Identity Management in Higher Education.
UMAP (Adjunct Publication)
Argyris Constantinides, José N. Faria, Taoufik Sousak, Pedro Martins, David Portugal, Marios Belk, Andreas Pitsillides, Christos Fidas
2022 — conf
APPS 2022: Fourth International Workshop on Adaptive and Personalized Privacy and Security.
UMAP (Adjunct Publication)
Argyris Constantinides, Marios Belk, Christos Fidas, Juliana Bowles, Andreas Pitsillides
2022 — conf
Evaluating a Smart Healthcare System Design Through Participatory Approach.
ICIMTH
Thais Webber, Juliana Bowles, Argyris Constantinides, Marios Belk, Emma Morley
2021 — conf
A Comparative Study among Different Computer Vision Algorithms for Assisting Users in Picture Password Composition.
UMAP (Adjunct Publication)
Christodoulos Constantinides, Argyris Constantinides, Marios Belk, Christos Fidas, Andreas Pitsillides
2021 — conf
A Field Dependence-Independence Perspective on Eye Gaze Behavior within Affective Activities.
INTERACT (1)
Christos Fidas, Marios Belk, Christodoulos Constantinides, Argyris Constantinides, Andreas Pitsillides
2021 — conf
APPS 2021: Third International Workshop on Adaptive and Personalized Privacy and Security.
UMAP (Adjunct Publication)
Argyris Constantinides, Marios Belk, Christos Fidas, Juliana Bowles, Andreas Pitsillides
2021 — conf
An Empirical Study of Picture Password Composition on Smartwatches.
INTERACT (4)
Marios Belk, Christos Fidas, Eleni Katsi, Argyris Constantinides, Andreas Pitsillides
2021 — conf
Applying Benford's Law as an Efficient and Low-cost Solution for Verifying the Authenticity of Users' Video Streams in Learning Management Systems.
WI/IAT
Argyris Constantinides, Christodoulos Constantinides, Marios Belk, Christos Fidas, Andreas Pitsillides
2021 — conf
Eye Gaze and Interaction Differences of Holistic Versus Analytic Users in Image-Recognition Human Interaction Proof Schemes.
HCI (27)
Pantelitsa Leonidou, Argyris Constantinides, Marios Belk, Christos Fidas, Andreas Pitsillides
2021 J jnl
From hot-spots towards experience-spots: Leveraging on users' sociocultural experiences to enhance security in cued-recall graphical authentication.
Int. J. Hum. Comput. Stud.
Argyris Constantinides, Christos Fidas, Marios Belk, Anna Maria Pietron, Ting Han, Andreas Pitsillides
2021 — conf
Privacy-preserving Biometric-driven Data for Student Identity Management: Challenges and Approaches.
UMAP (Adjunct Publication)
Christos Fidas, Marios Belk, David Portugal, Andreas Pitsillides
2021 — conf
Understanding Insider Attacks in Personalized Picture Password Schemes.
INTERACT (4)
Argyris Constantinides, Marios Belk, Christos Fidas, Andreas Pitsillides
2020 A conf
A Cross-cultural Perspective for Personalizing Picture Passwords.
UMAP
Argyris Constantinides, Anna Maria Pietron, Marios Belk, Christos Fidas, Ting Han, Andreas Pitsillides
2020 A conf
APPS 2020: Second International Workshop on Adaptive and Personalized Privacy and Security.
UMAP
Marios Belk, Christos Fidas, Juliana Bowles, Elias Athanasopoulos, Andreas Pitsillides
2020 — conf
Adaptive and Personalized Privacy and Security (APPS 2020): Workshop Chairs' Welcome.
UMAP (Adjunct Publication)
Marios Belk, Christos Fidas, Juliana Bowles, Elias Athanasopoulos, Andreas Pitsillides
2020 A conf
An eye gaze-driven metric for estimating the strength of graphical passwords based on image hotspots.
IUI
Argyris Constantinides, Marios Belk, Christos Fidas, Andreas Pitsillides
2020 — conf
CogniKit: An Extensible Tool for Human Cognitive Modeling based on Eye Gaze Analysis.
IUI Companion
Andreas Costi, Marios Belk, Christos Fidas, Argyris Constantinides, Andreas Pitsillides
2020 — conf
Design and Development of a Patient-centric User Authentication System.
UMAP (Adjunct Publication)
Argyris Constantinides, Marios Belk, Christos Fidas, Andreas Pitsillides
2019 B conf
"I Recall this Picture": Understanding Picture Password Selections based on Users' Sociocultural Experiences.
WI
Argyris Constantinides, Christos Fidas, Marios Belk, Andreas Pitsillides
2019 J jnl
A Human-Cognitive Perspective of Users' Password Choices in Recognition-Based Graphical Authentication.
Int. J. Hum. Comput. Interact.
Christina P. Katsini, Christos Fidas, Marios Belk, George Samaras, Nikolaos M. Avouris
2019 — conf
Adaptive and Personalized Privacy and Security (APPS 2019): Workshop Chairs' Welcome and Organization.
UMAP (Adjunct Publication)
Marios Belk, Christos Fidas, Elias Athanasopoulos, Andreas Pitsillides
2019 — conf
FlexPass: Symbiosis of Seamless User Authentication Schemes in IoT.
CHI Extended Abstracts
Marios Belk, Christos Fidas, Andreas Pitsillides
2019 — conf
Influences of Mixed Reality and Human Cognition on Picture Passwords: An Eye Tracking Study.
INTERACT (2)
Christos Fidas, Marios Belk, Georgios M. Hadjidemetriou, Andreas Pitsillides
2019 A conf
On the Accuracy of Eye Gaze-driven Classifiers for Predicting Image Content Familiarity in Graphical Passwords.
UMAP
Argyris Constantinides, Marios Belk, Christos Fidas, Andreas Pitsillides
2019 — conf
On the Personalization of Image Content in Graphical Passwords based on Users' Sociocultural Experiences: New Challenges and Opportunities.
UMAP (Adjunct Publication)
Argyris Constantinides, Christos Fidas, Marios Belk, Andreas Pitsillides
2019 — conf
Picture Passwords in Mixed Reality: Implementation and Evaluation.
CHI Extended Abstracts
Georgios M. Hadjidemetriou, Marios Belk, Christos Fidas, Andreas Pitsillides
2019 — conf
Security And Privacy Of Medical Data: Challenges For Next-Generation Patient-Centric Healthcare Systems.
UMAP (Adjunct Publication)
Vladimir Janjic, Juliana Bowles, Marios Belk, Andreas Pitsillides
2019 — conf
The SERUMS tool-chain: Ensuring Security and Privacy of Medical Data in Smart Patient-Centric Healthcare Systems.
IEEE BigData
Vladimir Janjic, Michael Vinov, Thomas Given-Wilson, Axel Legay, Euan Blackledge, R. Arredouani, George Stylianou, Wanting Huang, Juliana Küster Filipe Bowles, Andreas Francois Vermeulen, Agastya Silvina, Marios Belk, Christos Fidas, Andreas Pitsillides, M. Kumar, Michael Rossbory
2018 A conf
Eye Gaze-driven Prediction of Cognitive Differences during Graphical Password Composition.
IUI
Christina P. Katsini, Christos Fidas, George E. Raptis, Marios Belk, George Samaras, Nikolaos M. Avouris
2018 A* conf
Influences of Human Cognition and Visual Behavior on Password Strength during Picture Password Composition.
CHI
Christina P. Katsini, Christos Fidas, George E. Raptis, Marios Belk, George Samaras, Nikolaos M. Avouris
2018 A conf
On Cultural-centered Graphical Passwords: Leveraging on Users' Cultural Experiences for Improving Password Memorability.
UMAP
Argyris Constantinides, Marios Belk, Christos Fidas, George Samaras
2018 — conf
On sociocultural-centered graphical passwords: an initial framework.
MobileHCI Adjunct
Argyris Constantinides, Christos Fidas, Marios Belk, George Samaras
2018 J jnl
SocialRobot: Towards a Personalized Elderly Care Mobile Robot.
CoRR
David Portugal, Luís Santos, Pedro Trindade, Christophoros Christophorou, Panayiotis Andreou, Dimosthenis Georgiadis, Marios Belk, João Freire, Paulo Alvito, George Samaras, Eleni Christodoulou, Jorge Dias
2017 — conf
Effects of Human Cognitive Differences on Interaction and Visual Behavior in Graphical User Authentication.
INTERACT (3)
Marios Belk, Christos Fidas, Christina P. Katsini, Nikolaos M. Avouris, George Samaras
2017 — conf
Influences of Users' Cognitive Strategies on Graphical Password Composition.
CHI Extended Abstracts
Christina P. Katsini, Christos Fidas, Marios Belk, Nikolaos M. Avouris, George Samaras
2017 B conf
Sweet-spotting security and usability for intelligent graphical authentication mechanisms.
WI
Marios Belk, Andreas Pamboris, Christos Fidas, Christina P. Katsini, Nikolaos M. Avouris, George Samaras
2017 J jnl
The interplay between humans, technology and user authentication: A cognitive processing perspective.
Comput. Hum. Behav.
Marios Belk, Christos Fidas, Panagiotis Germanakos, George Samaras
2017 A conf
Using Eye Gaze Data and Visual Activities to Infer Human Cognitive Styles: Method and Feasibility Studies.
UMAP
George E. Raptis, Christina P. Katsini, Marios Belk, Christos Fidas, George Samaras, Nikolaos M. Avouris
2016 — conf
A Computer Mouse for Stress Identification of Older Adults at Work.
UMAP (Extended Proceedings)
Marios Belk, David Portugal, Panagiotis Germanakos, João Quintas, Eleni Christodoulou, George Samaras
2016 — conf
CogniWin: An Integrated Framework to Support Older Adults at Work.
UMAP (Extended Proceedings)
David Portugal, Miguel Sales Dias, Eleni Christodoulou, Marios Belk, João Quintas, Pedro Nunes, George Samaras, Sten Hanke, Markus Müllner-Rieder, Christoph Glauser, Mehdi Snene, Dimitri Konstantas
2016 — book
Human-Centred Web Adaptation and Personalization - From Theory to Practice
Panagiotis Germanakos, Marios Belk
2016 — conf
Identification of an Individual's Frustration in the Work Environment Through a Multi-sensor Computer Mouse.
HCI (25)
David Portugal, Marios Belk, João Quintas, Eleni Christodoulou, George Samaras
2016 — conf
Security and Usability in Knowledge-based User Authentication: A Review.
PCI
Christina P. Katsini, Marios Belk, Christos Fidas, Nikolaos M. Avouris, George Samaras
2015 — conf
A Human Cognitive Processing Perspective in Designing E-Commerce Checkout Processes.
INTERACT (1)
Marios Belk, Panagiotis Germanakos, Argyris Constantinides, George Samaras
2015 J jnl
A Personalized User Authentication Approach Based on Individual Differences in Information Processing.
Interact. Comput.
Marios Belk, Christos Fidas, Panagiotis Germanakos, George Samaras
2015 — conf
CogniMouse: On Detecting Users' Task Completion Difficulty through Computer Mouse Interaction.
CHI Extended Abstracts
Marios Belk, David Portugal, Eleni Christodoulou, George Samaras
2015 — conf
CogniWin - A Virtual Assistance System for Older Adults at Work.
HCI (26)
Sten Hanke, Hugo Meinedo, David Portugal, Marios Belk, João Quintas, Eleni Christodoulou, Miroslav Sili, Miguel Sales Dias, George Samaras
2015 J jnl
Do human cognitive differences in information processing affect preference and performance of CAPTCHA?
Int. J. Hum. Comput. Stud.
Marios Belk, Christos Fidas, Panagiotis Germanakos, George Samaras
2015 — conf
The PersonaCheck System for Personalizing M-Commerce Checkout Processes.
MDM (1)
Argyris Constantinides, Marios Belk, Panagiotis Germanakos, George Samaras
2015 — conf
The PersonaWeb System: Personalizing E-Commerce Environments based on Human Factors.
UMAP Workshops
Panagiotis Germanakos, Marios Belk, Argyris Constantinides, George Samaras
2015 — conf
Towards a Human-Centered E-Commerce Personalization Framework.
WI-IAT (1)
Marios Belk, Panagiotis Germanakos, Panayiotis Andreou, George Samaras
2015 — conf
iHIP: Towards a User Centric Individual Human Interaction Proof Framework.
CHI Extended Abstracts
Christos Fidas, Heinrich Hussmann, Marios Belk, George Samaras
2014 A conf
A Personalization Method Based on Human Factors for Improving Usability of User Authentication Tasks.
UMAP
Marios Belk, Panagiotis Germanakos, Christos Fidas, George Samaras
2014 — conf
An Individual Differences Approach in Adaptive Waving of User Checkout Process in Retail eCommerce.
HCI (18)
Marios Belk, Panagiotis Germanakos, Stavros Asimakopoulos, Panayiotis Andreou, Constantinos Mourlas, George Spanoudis, George Samaras
2014 J jnl
Integrating Human Factors and Semantic Mark-ups in Adaptive Interactive Systems.
Open J. Web Technol.
Marios Belk, Panagiotis Germanakos, Efi Papatheocharous, Panayiotis Andreou, George Samaras
2014 — conf
On Supporting Security and Privacy-Preserving Interaction through Adaptive Usable Security.
HCI (24)
Marios Belk, Christos Fidas, Panagiotis Germanakos, George Samaras
2014 — conf
Personalised continuous software engineering.
RCoSE
Efi Papatheocharous, Marios Belk, Jaana Nyfjord, Panagiotis Germanakos, George Samaras
2014 J jnl
Towards Implicit User Modeling Based on Artificial Intelligence, Cognitive Styles and Web Interaction Data.
Int. J. Artif. Intell. Tools
Efi Papatheocharous, Marios Belk, Panagiotis Germanakos, George Samaras
2013 — ch.
An Individual Differences Approach in Designing Ontologies for Efficient Personalization.
Semantic Hyper/Multimedia Adaptation
Nikos Tsianos, Panagiotis Germanakos, Marios Belk, Zacharias Lekkas, George Samaras, Costas Mourlas
2013 J jnl
Modeling users on the World Wide Web based on cognitive factors, navigation behavior and clustering techniques.
J. Syst. Softw.
Marios Belk, Efi Papatheocharous, Panagiotis Germanakos, George Samaras
2013 — conf
Security for Diversity: Studying the Effects of Verbal and Imagery Processes on User Authentication Mechanisms.
INTERACT (3)
Marios Belk, Christos Fidas, Panagiotis Germanakos, George Samaras
2013 — conf
Studying the Effect of Human Cognition on Text and Image Recognition CAPTCHA Mechanisms.
HCI (27)
Marios Belk, Panagiotis Germanakos, Christos Fidas, George Spanoudis, George Samaras
2013 A conf
Studying the Effect of Human Cognition on User Authentication Tasks.
UMAP
Marios Belk, Panagiotis Germanakos, Christos Fidas, George Samaras
2013 — conf
Towards the Personalization of CAPTCHA Mechanisms Based on Individual Differences in Cognitive Processing.
SouthCHI
Marios Belk, Panagiotis Germanakos, Christos Fidas, Andreas Holzinger, George Samaras
2012 — conf
Data-Driven User Profiling to Support Web Adaptation through Cognitive Styles and Navigation Behavior.
AIAI (2)
Panagiotis Germanakos, Efi Papatheocharous, Marios Belk, George Samaras
2012 — conf
Do cognitive styles of users affect preference and performance related to CAPTCHA challenges?
CHI Extended Abstracts
Marios Belk, Christos Fidas, Panagiotis Germanakos, George Samaras
2012 — conf
Employing virtual worlds for HCI education: a problem-based learning approach.
CHI Extended Abstracts
Panagiotis Zaharias, Marios Belk, George Samaras
2012 — conf
Investigating the Relation between Users' Cognitive Style and Web Navigation Behavior with K-means Clustering.
ER Workshops
Marios Belk, Efi Papatheocharous, Panagiotis Germanakos, George Samaras
2012 C conf
On Modelling Cognitive Styles of Users in Adaptive Interactive Systems using Artificial Neural Networks.
IJCCI
Efi Papatheocharous, Marios Belk, Panagiotis Germanakos, George Samaras
2012 — conf
Proposing a Fuzzy Adaptation Mechanism Based on Cognitive Factors of Users for Web Personalization.
AIAI (2)
Efi Papatheocharous, Marios Belk, Panagiotis Germanakos, George Samaras
2012 — conf
Supporting Adaptive Interactive Systems with Semantic Markups and Human Factors.
SMAP
Marios Belk, Panagiotis Germanakos, Efi Papatheocharous, Marios Constantinides, George Samaras
2012 C conf
Towards User-centric Social Networks.
WEBIST
Panayiotis Andreou, Panagiotis Germanakos, Andreas Konstantinidis, Dimosthenis Georgiadis, Marios Belk, George Samaras
2012 — conf
USN: An Optimization Framework for User-centric Social Networks.
CSE
Panayiotis Andreou, Panagiotis Germanakos, Andreas Konstantinidis, Dimosthenis Georgiadis, Marios Belk, George Samaras
2010 — conf
Adapting mLearning Environments on Learners' Cognitive Styles and Visual Working Memory Span.
MCIS
Panagiotis Germanakos, Marios Belk, Zacharias Lekkas, Constantinos Mourlas, Georgia Kleanthous, George Samaras
2010 — conf
An ontological cognitive user model for adapting generic Web structures.
SMAP
Panagiotis Germanakos, Marios Belk, Nikos Tsianos, Zacharias Lekkas, Constantinos Mourlas, George Samaras
2009 — conf
Human Factors As A Parameter For Improving Interface Usability And User Satisfaction.
MCIS
Panagiotis Germanakos, Nikos Tsianos, Zacharias Lekkas, Marios Belk, Constantinos Mourlas, George Samaras
2009 — conf
Intelligent Authoring Tools for Enhancing Mass Customization of e-Services - The smarTag Framework.
ICEIS (5)
Panagiotis Germanakos, Nikos Tsianos, Zacharias Lekkas, Costas Mourlas, Marios Belk, George Samaras
2009 — conf
Proposing Web Design Enhancements Based on Specific Cognitive Factors: An Empirical Evaluation.
Web Intelligence
Panagiotis Germanakos, Nikos Tsianos, Zacharias Lekkas, Constantinos Mourlas, Marios Belk, George Samaras
2009 A conf
Working Memory Differences in E-Learning Environments: Optimization of Learners' Performance through Personalization.
UMAP
Nikos Tsianos, Panagiotis Germanakos, Zacharias Lekkas, Costas Mourlas, George Samaras, Marios Belk
2008 — conf
Towards a Human Factors Ontology for Computer-Mediated Systems*.
OTM Workshops
Panagiotis Germanakos, Marios Belk, Nikos Tsianos, Zacharias Lekkas, Constantinos Mourlas, George Samaras
2007 — conf
A Semantic Approach of an Adaptive and Personalized Web-Based Learning Content-The Case of AdaptiveWeb.
SMAP
Panagiotis Germanakos, Nikos Tsianos, Zacharias Lekkas, Constantinos Mourlas, Marios Belk, George Samaras
2007 B conf
Embracing Cognitive Aspects in Web Personalization Environments -- The AdaptiveWeb Architecture.
ICALT
Panagiotis Germanakos, Nikos Tsianos, Zacharias Lekkas, Constantinos Mourlas, Marios Belk, George Samaras