VirDO: A Virtual Workspace for Research Documents. - George E. Raptis; Christina P. Katsini; Stephen J. Payne (TPDL, 2013)

Usability Engineering Practices in Software Development Organizations: The Greek and the Italian Case Study. - Christina P. Katsini; Nikolaos M. Avouris; Rosa Lanzilotti (AVI, 2016)

Security and Usability in Knowledge-based User Authentication: A Review. - Christina P. Katsini; Marios Belk; Christos Fidas; Nikolaos M. Avouris; George Samaras (PCI, 2016)

A Personalised Monitoring and Recommendation Framework for Kinetic Dysfunctions: The Trendelenburg Gait. - Nikolaos Michalopoulos; George E. Raptis; Christina P. Katsini; Theofilos Chrysikos; Michail Mamalakis; Andrew Vigotsky (PCI, 2016)

Influences of Users' Cognitive Strategies on Graphical Password Composition. - Christina P. Katsini; Christos Fidas; Marios Belk; Nikolaos M. Avouris; George Samaras (CHI Extended Abstracts, 2017)

Effects of Human Cognitive Differences on Interaction and Visual Behavior in Graphical User Authentication. - Marios Belk; Christos Fidas; Christina P. Katsini; Nikolaos M. Avouris; George Samaras (INTERACT (3), 2017)

Effects of Image-Based Rendering and Reconstruction on Game Developers Efficiency, Game Performance, and Gaming Experience. - George E. Raptis; Christina P. Katsini; Christos Fidas; Nikolaos M. Avouris (INTERACT (2), 2017)

Using Eye Gaze Data and Visual Activities to Infer Human Cognitive Styles: Method and Feasibility Studies. - George E. Raptis; Christina P. Katsini; Marios Belk; Christos Fidas; George Samaras; Nikolaos M. Avouris (UMAP, 2017)

Sweet-spotting security and usability for intelligent graphical authentication mechanisms. - Marios Belk; Andreas Pamboris; Christos Fidas; Christina P. Katsini; Nikolaos M. Avouris; George Samaras (WI, 2017)

Does image grid visualization affect password strength and creation time in graphical authentication? - Christina P. Katsini; George E. Raptis; Christos Fidas; Nikolaos M. Avouris (AVI, 2018)

Visualization of Cultural-Heritage Content based on Individual Cognitive Differences. - George E. Raptis; Christina P. Katsini; Christos Fidas; Nikolaos M. Avouris (AVI*CH, 2018)

Influences of Human Cognition and Visual Behavior on Password Strength during Picture Password Composition. - Christina P. Katsini; Christos Fidas; George E. Raptis; Marios Belk; George Samaras; Nikolaos M. Avouris (CHI, 2018)

Towards a Cognition-Centered Personalization Framework for Cultural-Heritage Content. - George E. Raptis; Christos A. Fidas; Christina P. Katsini; Nikolaos M. Avouris (CHI Extended Abstracts, 2018)

Toward Understanding the Effects of Cognitive Styles on Collaboration in Multiplayer Games. - Sultan A. Alharthi; George E. Raptis; Christina P. Katsini; Igor Dolgov; Lennart E. Nacke; Phoebe O. Toups Dugas (CSCW Companion, 2018)

Towards gaze-based quantification of the security of graphical authentication schemes. - Christina P. Katsini; George E. Raptis; Christos Fidas; Nikolaos M. Avouris (ETRA, 2018)

CHISTA: Cultural Heritage Information Storage and reTrieval Application. - George E. Raptis; Christina P. Katsini; Theofilos Chrysikos (EuroMed (2), 2018)

Eye Gaze-driven Prediction of Cognitive Differences during Graphical Password Composition. - Christina P. Katsini; Christos Fidas; George E. Raptis; Marios Belk; George Samaras; Nikolaos M. Avouris (IUI, 2018)

Studying human-computer interaction for social good: the case of digital government evaluation and re-design project. - Nikolaos M. Avouris; Christos Sintoris; Christina P. Katsini (PCI, 2018)

Using Video-based Technology in Powerlifting Sport to Support Referees' Decision Making. - Nick Michalopoulos; Christina P. Katsini; George E. Raptis (CHI Extended Abstracts, 2019)

UltraSonic Watch: Seamless Two-Factor Authentication through Ultrasound. - Dimitra Zarafeta; Christina P. Katsini; George E. Raptis; Nikolaos M. Avouris (CHI Extended Abstracts, 2019)

CogniPGA: Longitudinal Evaluation of Picture Gesture Authentication with Cognition-Based Intervention. - Christina P. Katsini; Nikolaos M. Avouris; Christos Fidas (i-com, 2019)

A Human-Cognitive Perspective of Users' Password Choices in Recognition-Based Graphical Authentication. - Christina P. Katsini; Christos Fidas; Marios Belk; George Samaras; Nikolaos M. Avouris (Int. J. Hum. Comput. Interact., 2019)

A cognition-centered personalization framework for cultural-heritage content. - George E. Raptis; Christos Fidas; Christina P. Katsini; Nikolaos M. Avouris (User Model. User Adapt. Interact., 2019)

The Role of Eye Gaze in Security and Privacy Applications: Survey and Future HCI Research Directions. - Christina P. Katsini; Yasmeen Abdrabou; George E. Raptis; Mohamed Khamis; Florian Alt (CHI, 2020)

Better, Funner, Stronger: A Gameful Approach to Nudge People into Making Less Predictable Graphical Password Choices. - George E. Raptis; Christina P. Katsini; Andrew Jian-lan Cen; Nalin Asanka Gamagedara Arachchilage; Lennart E. Nacke (CHI, 2021)

Towards Automated Matching of Cyber Threat Intelligence Reports based on Cluster Analysis in an Internet-of-Vehicles Environment. - George E. Raptis; Christina P. Katsini; Christos Alexakos (CSR, 2021)

Eye-GUAna: Higher Gaze-Based Entropy and Increased Password Space in Graphical User Authentication Through Gamification. - Christina P. Katsini; George E. Raptis; Andrew Jian-lan Cen; Nalin Asanka Gamagedara Arachchilage; Lennart E. Nacke (ETRA Short Papers, 2021)

Analyzing Scanpaths From A Field Dependence-Independence Perspective When Playing A Visual Search Game. - George E. Raptis; Christina P. Katsini (ETRA Short Papers, 2021)

FoRePlan: Supporting Digital Forensics Readiness Planning for Internet of Vehicles. - Christina P. Katsini; George E. Raptis; Christos Alexakos; Dimitrios Serpanos (PCI, 2021)

Introducing Privacy Preservation in Personalized Cultural Heritage Applications. - Giannis Kavvetsos; Christina P. Katsini; George E. Raptis (UMAP (Adjunct Publication), 2021)

Investigating the Effects of Individual Cognitive Styles on Collaborative Gameplay. - Sultan A. Alharthi; George E. Raptis; Christina P. Katsini; Igor Dolgov; Lennart E. Nacke; Phoebe O. Toups Dugas (ACM Trans. Comput. Hum. Interact., 2021)

Transforming Ideas into Code: A Novel Approach to Design-to-Development Workflow. - George E. Raptis; Christina P. Katsini (ICCA, 2023)

Towards Evaluating Image Recommendations in Digital News and Media Ecosystem. - George E. Raptis; Vasilis Theodorou; Christina P. Katsini (ICCA, 2023)

RePaLM: A Data-Driven AI Assistant for Making Stronger Pattern Choices. - Christina Milousi; George E. Raptis; Christina P. Katsini; Christos Katsanos (INTERACT (3), 2023)

Towards Enhancing the Media Industry Through AI-Driven Image Recommendations. - George E. Raptis; Vasilis Theodorou; Christina P. Katsini (INTERACT (4), 2023)

Exploring the Impact of Cognitive Styles on the Visualization of Privacy Policies. - Areti Tsolakidou; George E. Raptis; Christina P. Katsini; Christos Katsanos (PCI, 2023)

Towards an Evaluation Framework for Extended Reality Authentication Schemes. - Christina Katsini; Gregory Epiphaniou; Carsten Maple (CHI Extended Abstracts, 2024)

PRINIA: Privacy-Preserving Facial Recognition Framework for Extended Reality Environments. - George E. Raptis; Christina Katsini; Nicolas Hadjisavvas; Efstathios Stavrakis (ICCA, 2024)

Towards Exploring Personalized Hyperlink Recommendations Through Machine Learning. - Agorakis Bompotas; Panagiotis Triantafyllopoulos; George E. Raptis; Christina Katsini; Christos Makris 001 (UMAP (Adjunct Publication), 2024)

Towards Identifying Visitor Types in Virtual Museums Using Spatial and Interaction Data. - Filippos Panos; George E. Raptis; Christina Katsini; Christos Katsanos (UMAP (Adjunct Publication), 2024)