Christos Fidas

ORCID

Publication Activity (10 Years)

Years Active: 2001-2024
Publications (10 Years): 75

Top Venues

UMAP (Adjunct Publication)

UMAP

PCI

CHI Greece

Publications

Nicolas Constantinides, Argyris Constantinides, Dimitrios Koukopoulos, Christos Fidas, Marios Belk
CulturAI: Exploring Mixed Reality Art Exhibitions with Large Language Models for Personalized Immersive Experiences. UMAP (Adjunct Publication) (2024)
Stella Sylaiou, Christos Fidas
Supporting People with Visual Impairments in Cultural Heritage: Survey and Future Research Directions. Int. J. Hum. Comput. Interact. 40 (9) (2024)
Argyris Constantinides, José N. Faria, Taoufik Sousak, Pedro Martins, David Portugal, Marios Belk, Andreas Pitsillides, Christos Fidas
TRUSTID: Intelligent and Continuous Online Student Identity Management in Higher Education. UMAP (Adjunct Publication) (2023)
Argyris Constantinides, Marios Belk, Christos Fidas, Roy Beumers, David Vidal, Wanting Huang, Juliana Bowles, Thais Webber, Agastya Silvina, Andreas Pitsillides
Security and Usability of a Personalized User Authentication Paradigm: Insights from a Longitudinal Study with Three Healthcare Organizations. ACM Trans. Comput. Heal. 4 (1) (2023)
George Thomopoulos, Dimitrios P. Lyras, Christos Fidas
Methodologies and Ethical Considerations in Phishing Research: A Comprehensive Review. CHI Greece (2023)
José Nuno Faria, David Portugal, Pedro Martins, Marios Belk, Argyris Constantinides, Andreas Pitsillides, Christos Fidas
Image-based Face Verification for Student Identity Management - the TRUSTID Case Study. UMAP (Adjunct Publication) (2023)
Dimitrios Koukopoulos, Konstantinos Koukoulis, Stella Sylaiou, Christos Fidas
XR technologies fostering museum visits for people with impairments. AMID@MobileHCI (2023)
Evangelos Lamprou, Christos Fidas
Investigating Applicability Heuristics of Answer Set Programming in Game Development: Use Cases and Empirical Study. CHI Greece (2023)
Christos Fidas, Stella Sylaiou, Tsvi Kuflik, Fotis Liarokapis, Panayiotis Koutsabasis, Manolis Wallace, Dimitrios Koukopoulos, Angeliki Antoniou, Katerina Mania, Ioanna Lykourentzou
Mobile and Multimodal HCI Design Approaches in Museums for People with Impairments. MobileHCI (Companion) (2023)
Georgios Papadoulis, Christos Sintoris, Christos Fidas, Nikolaos M. Avouris
Extending User Interaction with Mixed Reality Through a Smartphone-Based Controller. INTERACT (1) (2023)
Rebeka Vital, Stella Sylaiou, Dimitrios Koukopoulos, Konstantinos Koukoulis, Panagiotis Dafiotis, Christos Fidas
Comparison of extended reality platforms and tools for viewing and exhibiting art. Digit. Appl. Archaeol. Cult. Heritage 31 (2023)
Konstantinos Tsomokos, Christos Sintoris, Christos Fidas, Nikolaos M. Avouris
Exploring the Potential of Metaverse Apps for Real-World Applications: A Case Study with CALEND_AR. INTERACT (4) (2023)
Maria Trigka, Georgios Papadoulis, Elias Dritsas, Christos Fidas
Influences of Cognitive Styles on EEG-Based Activity: An Empirical Study on Visual Content Comprehension. INTERACT (4) (2023)
Stella Sylaiou, Evangelia Gkagka, Christos Fidas, Elia Vlachou, Giorgos Lampropoulos, Antonis Plytas, Vani Nomikou
Use of XR technologies for fostering visitors' experience and inclusion at industrial museums. CHI Greece (2023)
Evangelia Gkagka, Stella Sylaiou, Dimitrios Koukopoulos, Christos Fidas
Designing accessible cultural heritage experiences for individuals with hearing impairments. AMID@MobileHCI (2023)
Dimitrios Koukopoulos, Panagiotis Dafiotis, Stella Sylaiou, Konstantinos Koukoulis, Christos Fidas
XR technologies for self-regulated student exhibitions in art education: survey and first design considerations. IMET (2022)
Dimitrios Koukopoulos, Panagiotis Dafiotis, Stella Sylaiou, Konstantinos Koukoulis, Christos Fidas
Evaluating the Design of an Art Student Framework Supporting XR Exhibitions: Evaluating an Art Student Framework. PCI (2022)
Argyris Constantinides, Marios Belk, Christos Fidas, Juliana Bowles, Andreas Pitsillides
APPS 2022: Fourth International Workshop on Adaptive and Personalized Privacy and Security. UMAP (Adjunct Publication) (2022)
Stella Sylaiou, Christos Fidas
First results of a survey concerning the use of digital human avatars in museums and cultural heritage sites. IMET (2022)
Dimitrios Koukopoulos, Panagiotis Dafiotis, Stella Sylaiou, Konstantinos Koukoulis, Angeliki Antoniou, Rebeka Vital, Christos Fidas
Personalization services in art education environments: first survey results. IISA (2022)
Maria Trigka, Elias Dritsas, Christos Fidas
A Survey on Signal Processing Methods for EEG-based Brain Computer Interface Systems. PCI (2022)
Christos Fidas, Marios Belk, Christodoulos Constantinides, Argyris Constantinides, Andreas Pitsillides
A Field Dependence-Independence Perspective on Eye Gaze Behavior within Affective Activities. INTERACT (1) (2021)
Argyris Constantinides, Marios Belk, Christos Fidas, Juliana Bowles, Andreas Pitsillides
APPS 2021: Third International Workshop on Adaptive and Personalized Privacy and Security. UMAP (Adjunct Publication) (2021)
Argyris Constantinides, Marios Belk, Christos Fidas, Andreas Pitsillides
Understanding Insider Attacks in Personalized Picture Password Schemes. INTERACT (4) (2021)
Christos Fidas, Marios Belk, David Portugal, Andreas Pitsillides
Privacy-preserving Biometric-driven Data for Student Identity Management: Challenges and Approaches. UMAP (Adjunct Publication) (2021)
Argyris Constantinides, Christos Fidas, Marios Belk, Anna Maria Pietron, Ting Han, Andreas Pitsillides
From hot-spots towards experience-spots: Leveraging on users' sociocultural experiences to enhance security in cued-recall graphical authentication. Int. J. Hum. Comput. Stud. 149 (2021)
Christodoulos Constantinides, Argyris Constantinides, Marios Belk, Christos Fidas, Andreas Pitsillides
A Comparative Study among Different Computer Vision Algorithms for Assisting Users in Picture Password Composition. UMAP (Adjunct Publication) (2021)
Pericles Pericleous, Ianthi Assimakopoulou, Andri Ioannou, Christos Fidas, Nikolaos M. Avouris
Tracing El Greco's Echoes of Antiquity: Audience Interaction with Online Art. CHI Greece (2021)
Pantelitsa Leonidou, Argyris Constantinides, Marios Belk, Christos Fidas, Andreas Pitsillides
Eye Gaze and Interaction Differences of Holistic Versus Analytic Users in Image-Recognition Human Interaction Proof Schemes. HCI (27) (2021)
Marios Belk, Christos Fidas, Eleni Katsi, Argyris Constantinides, Andreas Pitsillides
An Empirical Study of Picture Password Composition on Smartwatches. INTERACT (4) (2021)
Argyris Constantinides, Christodoulos Constantinides, Marios Belk, Christos Fidas, Andreas Pitsillides
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 (2021)
Argyris Constantinides, Anna Maria Pietron, Marios Belk, Christos Fidas, Ting Han, Andreas Pitsillides
A Cross-cultural Perspective for Personalizing Picture Passwords. UMAP (2020)
Andreas Costi, Marios Belk, Christos Fidas, Argyris Constantinides, Andreas Pitsillides
CogniKit: An Extensible Tool for Human Cognitive Modeling based on Eye Gaze Analysis. IUI Companion (2020)
Argyris Constantinides, Marios Belk, Christos Fidas, Andreas Pitsillides
Design and Development of a Patient-centric User Authentication System. UMAP (Adjunct Publication) (2020)
Marios Belk, Christos Fidas, Juliana Bowles, Elias Athanasopoulos, Andreas Pitsillides
APPS 2020: Second International Workshop on Adaptive and Personalized Privacy and Security. UMAP (2020)
Theodoros Georgakopoulos, Maria Koutroumani, Theodoros Moulias, Christos Fidas
On the Effectiveness of Low-Cost Face Recognition with Deep Learning. PCI (2020)
Marios Belk, Christos Fidas, Juliana Bowles, Elias Athanasopoulos, Andreas Pitsillides
Adaptive and Personalized Privacy and Security (APPS 2020): Workshop Chairs' Welcome. UMAP (Adjunct Publication) (2020)
Evangelos Michos, Stamatios Gkoumas, Ioanna Siakampeti, Christos Fidas
On the Extension of the Haar Cascade Algorithm for Face Recognition: Case Study and Results. PCI (2020)
Argyris Constantinides, Marios Belk, Christos Fidas, Andreas Pitsillides
An eye gaze-driven metric for estimating the strength of graphical passwords based on image hotspots. IUI (2020)
George E. Raptis, Christos Fidas, Nikolaos M. Avouris
Do Game Designers' Decisions Related to Visual Activities Affect Knowledge Acquisition in Cultural Heritage Games? An Evaluation From a Human Cognitive Processing Perspective. ACM Journal on Computing and Cultural Heritage 12 (1) (2019)
Christina P. Katsini, Christos Fidas, Marios Belk, George Samaras, Nikolaos M. Avouris
A Human-Cognitive Perspective of Users' Password Choices in Recognition-Based Graphical Authentication. Int. J. Hum. Comput. Interact. 35 (19) (2019)
Argyris Constantinides, Christos Fidas, Marios Belk, Andreas Pitsillides
"I Recall this Picture": Understanding Picture Password Selections based on Users' Sociocultural Experiences. WI (2019)
Vladimir Janjic, Michael Vinov, Thomas Given-Wilson, Axel Legay, Euan Blackledge, R. Arredouani, George Stylianou, W. Huang, Juliana Küster Filipe Bowles, Andreas Francois Vermeulen, Agastya Silvina, Marios Belk, Christos Fidas, Andreas Pitsillides, M. Kumar, Michael Rossbory
The SERUMS tool-chain: Ensuring Security and Privacy of Medical Data in Smart Patient-Centric Healthcare Systems. IEEE BigData (2019)
Christina P. Katsini, Nikolaos M. Avouris, Christos Fidas
CogniPGA: Longitudinal Evaluation of Picture Gesture Authentication with Cognition-Based Intervention. i-com 18 (3) (2019)
Marios Belk, Christos Fidas, Elias Athanasopoulos, Andreas Pitsillides
Adaptive and Personalized Privacy and Security (APPS 2019): Workshop Chairs' Welcome and Organization. UMAP (Adjunct Publication) (2019)
Argyris Constantinides, Christos Fidas, Marios Belk, Andreas Pitsillides
On the Personalization of Image Content in Graphical Passwords based on Users' Sociocultural Experiences: New Challenges and Opportunities. UMAP (Adjunct Publication) (2019)
Georgios M. Hadjidemetriou, Marios Belk, Christos Fidas, Andreas Pitsillides
Picture Passwords in Mixed Reality: Implementation and Evaluation. CHI Extended Abstracts (2019)
Argyris Constantinides, Marios Belk, Christos Fidas, Andreas Pitsillides
On the Accuracy of Eye Gaze-driven Classifiers for Predicting Image Content Familiarity in Graphical Passwords. UMAP (2019)
Christos Fidas
Eye Tracking based Cognitive-Centered User Models. WI (2019)
George E. Raptis, Christos Fidas, Christina P. Katsini, Nikolaos M. Avouris
A cognition-centered personalization framework for cultural-heritage content. User Model. User Adapt. Interact. 29 (1) (2019)
Marios Belk, Christos Fidas, Andreas Pitsillides
FlexPass: Symbiosis of Seamless User Authentication Schemes in IoT. CHI Extended Abstracts (2019)
Christos Fidas, Marios Belk, Georgios M. Hadjidemetriou, Andreas Pitsillides
Influences of Mixed Reality and Human Cognition on Picture Passwords: An Eye Tracking Study. INTERACT (2) (2019)
Argyris Constantinides, Christos Fidas, Marios Belk, George Samaras
On sociocultural-centered graphical passwords: an initial framework. MobileHCI Adjunct (2018)
Christina P. Katsini, George E. Raptis, Christos Fidas, Nikolaos M. Avouris
Does image grid visualization affect password strength and creation time in graphical authentication? AVI (2018)
George E. Raptis, Christos Fidas, Nikolaos M. Avouris
Effects of mixed-reality on players' behaviour and immersion in a cultural tourism game: A cognitive processing perspective. Int. J. Hum. Comput. Stud. 114 (2018)
Christina P. Katsini, Christos Fidas, George E. Raptis, Marios Belk, George Samaras, Nikolaos M. Avouris
Eye Gaze-driven Prediction of Cognitive Differences during Graphical Password Composition. IUI (2018)
George E. Raptis, Christina P. Katsini, Christos Fidas, Nikolaos M. Avouris
Visualization of Cultural-Heritage Content based on Individual Cognitive Differences. AVI*CH (2018)
Christina P. Katsini, Christos Fidas, George E. Raptis, Marios Belk, George Samaras, Nikolaos M. Avouris
Influences of Human Cognition and Visual Behavior on Password Strength during Picture Password Composition. CHI (2018)
Christina P. Katsini, George E. Raptis, Christos Fidas, Nikolaos M. Avouris
Towards gaze-based quantification of the security of graphical authentication schemes. ETRA (2018)
Argyris Constantinides, Marios Belk, Christos Fidas, George Samaras
On Cultural-centered Graphical Passwords: Leveraging on Users' Cultural Experiences for Improving Password Memorability. UMAP (2018)
Adrian G. Stoica, Nikolaos K. Tselios, Christos Fidas
Adaptive user support in educational environments: A Bayesian Network approach. CoRR (2017)
Marios Belk, Christos Fidas, Panagiotis Germanakos, George Samaras
The interplay between humans, technology and user authentication: A cognitive processing perspective. Comput. Hum. Behav. 76 (2017)
Marios Belk, Andreas Pamboris, Christos Fidas, Christina P. Katsini, Nikolaos M. Avouris, George Samaras
Sweet-spotting security and usability for intelligent graphical authentication mechanisms. WI (2017)
George E. Raptis, Christina P. Katsini, Marios Belk, Christos Fidas, George Samaras, Nikolaos M. Avouris
Using Eye Gaze Data and Visual Activities to Infer Human Cognitive Styles: Method and Feasibility Studies. UMAP (2017)
George E. Raptis, Christos Fidas, Nikolaos M. Avouris
Cultural Heritage Gaming: Effects of Human Cognitive Styles on Players' Performance and Visual Behavior. UMAP (Adjunct Publication) (2017)
George E. Raptis, Christina P. Katsini, Christos Fidas, Nikolaos M. Avouris
Effects of Image-Based Rendering and Reconstruction on Game Developers Efficiency, Game Performance, and Gaming Experience. INTERACT (2) (2017)
Christina P. Katsini, Christos Fidas, Marios Belk, Nikolaos M. Avouris, George Samaras
Influences of Users' Cognitive Strategies on Graphical Password Composition. CHI Extended Abstracts (2017)
Marios Belk, Christos Fidas, Christina P. Katsini, Nikolaos M. Avouris, George Samaras
Effects of Human Cognitive Differences on Interaction and Visual Behavior in Graphical User Authentication. INTERACT (3) (2017)
Christina P. Katsini, Marios Belk, Christos Fidas, Nikolaos M. Avouris, George Samaras
Security and Usability in Knowledge-based User Authentication: A Review. PCI (2016)
George E. Raptis, Christos Fidas, Nikolaos M. Avouris
A qualitative analysis of the effect of wholistic-analytic cognitive style dimension on the cultural heritage game playing. IISA (2016)
Christos Fidas, Christos Sintoris, Nikoleta Yiannoutsou, Nikolaos M. Avouris
A survey on tools for end user authoring of mobile applications for cultural heritage. IISA (2015)
Marios Belk, Christos Fidas, Panagiotis Germanakos, George Samaras
Do human cognitive differences in information processing affect preference and performance of CAPTCHA? Int. J. Hum. Comput. Stud. 84 (2015)
Marios Belk, Christos Fidas, Panagiotis Germanakos, George Samaras
A Personalized User Authentication Approach Based on Individual Differences in Information Processing. Interact. Comput. 27 (6) (2015)
Andreas Kamilaris, Andreas Pitsillides, Christos Fidas, Sekhar Kondepudi
Social Electricity: The evolution of a Large-Scale, Green ICT Social Application through two Case Studies in Cyprus and Singapore. EnviroInfo/ICT4S (1) (2015)
Christos Fidas, Heinrich Hussmann, Marios Belk, George Samaras
iHIP: Towards a User Centric Individual Human Interaction Proof Framework. CHI Extended Abstracts (2015)
Eleftherios Papachristos, Christos Katsanos, Nikolaos Karousos, Ioannis Ioannidis, Christos Fidas, Nikolaos M. Avouris
Deployment, Usage and Impact of Social Media Tools in Small and Medium Enterprises: A Case Study. HCI (22) (2014)
Ioannis Ioannidis, Eleftherios Papachristos, Christos Katsanos, Nikolaos Karousos, Christos Fidas, Nikolaos M. Avouris
SONETA: A Social Media Geo-Trends Analysis Tool. HCI (22) (2014)
Marios Belk, Christos Fidas, Panagiotis Germanakos, George Samaras
On Supporting Security and Privacy-Preserving Interaction through Adaptive Usable Security. HCI (24) (2014)
Marios Belk, Panagiotis Germanakos, Christos Fidas, George Samaras
A Personalization Method Based on Human Factors for Improving Usability of User Authentication Tasks. UMAP (2014)
Marios Belk, Panagiotis Germanakos, Christos Fidas, George Samaras
Studying the Effect of Human Cognition on User Authentication Tasks. UMAP (2013)
Christos Fidas, Artemios G. Voyiatzis
On Users' Preference on Localized vs. Latin-Based CAPTCHA Challenges. INTERACT (4) (2013)
Christos Fidas, Artemios G. Voyiatzis
An empirical study on efficiency and effectiveness of localized vs. Latin-based CAPTCHA challenges. Panhellenic Conference on Informatics (2013)
Marios Belk, Panagiotis Germanakos, Christos Fidas, Andreas Holzinger, George Samaras
Towards the Personalization of CAPTCHA Mechanisms Based on Individual Differences in Cognitive Processing. SouthCHI (2013)
Vassilis Kapsalis, Christos Fidas, Loukas Hadellis
Towards a Domain-Specific Context Acquisition, Presentation and Rule-Based Control Platform. Int. J. Pervasive Comput. Commun. 9 (1) (2013)
Marios Belk, Christos Fidas, Panagiotis Germanakos, George Samaras
Security for Diversity: Studying the Effects of Verbal and Imagery Processes on User Authentication Mechanisms. INTERACT (3) (2013)
Marios Belk, Panagiotis Germanakos, Christos Fidas, George Spanoudis, George Samaras
Studying the Effect of Human Cognition on Text and Image Recognition CAPTCHA Mechanisms. HCI (27) (2013)
Raúl A. Herrera Acuña, Christos Fidas, Vasileios Argyriou, Sergio A. Velastin
Toward a Two-Handed Gesture-Based Visual 3D Interactive Object-Oriented Environment for Software Development. Intelligent Environments (2012)
Marios Belk, Christos Fidas, Panagiotis Germanakos, George Samaras
Do cognitive styles of users affect preference and performance related to CAPTCHA challenges? CHI Extended Abstracts (2012)
Christos Fidas
Towards a Context Aware Service for Performing Semi-Moderated Remote Usability Studies of Web Sites. e Minds Int. J. Hum. Comput. Interact. 2 (7) (2011)
Christos Fidas, Artemios G. Voyiatzis, Nikolaos M. Avouris
On the necessity of user-friendly CAPTCHA. CHI (2011)
Artemios G. Voyiatzis, Christos Fidas, Dimitrios N. Serpanos, Nikolaos M. Avouris
An Empirical Study on the Web Password Strength in Greece. Panhellenic Conference on Informatics (2011)
Christos Fidas, Artemios G. Voyiatzis, Nikolaos M. Avouris
When Security Meets Usability: A User-Centric Approach on a Crossroads Priority Problem. Panhellenic Conference on Informatics (2010)
Vassilis Kapsalis, Christos Fidas, Loukas Hadellis, Christos Karavasilis, Manolis Galetakis, Christos Katsenos
A networking platform for real-time monitoring and rule-based control of transport fleets and transferred goods. ITSC (2010)
Panagiotis Politis, Ioannis Partsakoulakis, George A. Vouros, Christos Fidas
Providing Assistance during Decision-making Problems Solving in an Educational Modelling Environment. AIAI (2009)
Christos Fidas, Manolis Maragoudakis, Nikolaos M. Avouris
Intelligent - Miner: The Conceptual and Architectural Design of a Web Based Data Mining Service. e Minds Int. J. Hum. Comput. Interact. 1 (4) (2008)
Christos Fidas, Nikolaos M. Avouris, Vassilis Komis, Panagiotis Politis
On supporting young students in visual logic modeling. AIAI (2006)
Christos Fidas, Panagiotis Politis, Vassilis Komis, Nikolaos M. Avouris
An Environment for Constructing and Exploring Visual Models of Logic Propositions by Young Students. SETN (2006)
Christos Fidas, Vassilis Komis, Spyros Tzanavaris, Nikolaos M. Avouris
Heterogeneity of learning material in synchronous computer-supported collaborative modelling. Comput. Educ. 44 (2) (2005)
Vassilis Komis, Nikolaos M. Avouris, Christos Fidas
A Study on Heterogeneity During Realtime Collaborative Problem Solving. CSCL (2003)
Nikolaos M. Avouris, Angelique Dimitracopoulou, Vassilis Komis, Christos Fidas
OCAF: an object-oriented model of analysis of collaborative problem solving. CSCL (2002)

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Publication Activity (10 Years)

Top Topics

Top Venues

Christos Fidas