Alexandros Liapis

According to our database, Alexandros Liapis authored at least 20 papers between 2013 and 2023.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2023

UX evaluation of open MOOC platforms: a comparative study between Moodle and Open edX combining user interaction metrics and wearable biosensors.

Alexandros Liapis, Vicky Maratou, Theodor Panagiotakopoulos, Christos Katsanos, Achilles Kameas

Interact. Learn. Environ., December, 2023

Faculty members' Perceptions of Remote Electronic Examinations in Distance Academic Education.

George Vorvilas, Alexandros Liapis, Nikos Karousos, Leonidas Theodorakopoulos, Eirini Lagiou, Achilles Kameas

Proceedings of the 14th International Conference on Information, 2023

2022

Effect of Self-efficacy on Open Card Sorts for Websites.

Christos Katsanos, Georgia Zafeiriou, Alexandros Liapis

Proceedings of the Human Interface and the Management of Information: Visual and Information Design, 2022

2021

User Experience Evaluation: A Validation Study of a Tool-based Approach for Automatic Stress Detection Using Physiological Signals.

Alexandros Liapis, Christos Katsanos, Nikos Karousos, Michalis Xenos, Theofanis Orphanoudakis

Int. J. Hum. Comput. Interact., 2021

Detection of Subtle Stress Episodes During UX Evaluation: Assessing the Performance of the WESAD Bio-Signals Dataset.

Alexandros Liapis, Evanthia Faliagka, Christos Katsanos, Christos P. Antonopoulos, Nikolaos S. Voros

Proceedings of the Human-Computer Interaction - INTERACT 2021 - 18th IFIP TC 13 International Conference, Bari, Italy, August 30, 2021

Evaluating the remote examination process applied by the Hellenic Open University (HOU) during COVID-19 pandemic: Students' opinions.

Alexandros Liapis, George Vorvilas, Alkis Korovesis, Dimitra Aggelopoulou, Nikos Karousos, Efstathios P. Efstathopoulos

Proceedings of the IEEE Global Engineering Education Conference, 2021

Effect of Sense of Direction on Open Card Sorts for Websites.

Georgia Zafeiriou, Christos Katsanos, Alexandros Liapis

Proceedings of the CHI Greece 2021: 1st International Conference of the ACM Greek SIGCHI Chapter, virtual Event / Athens, Greece, November 25, 2021

PSSUQ-GR: A First Step Towards Standardization of the Post-Study System Usability Questionnaire in Greek.

Christos Katsanos, Nikolaos K. Tselios, Alexandros Liapis

Proceedings of the CHI Greece 2021: 1st International Conference of the ACM Greek SIGCHI Chapter, virtual Event / Athens, Greece, November 25, 2021

2020

Human-computer interaction: evaluating the user experience of interactive information systems based on bio-signals analysis

Alexandros Liapis

PhD thesis, 2020

Stress Heatmaps: A Fuzzy-Based Approach that Uses Physiological Signals.

Alexandros Liapis, Christos Katsanos, Nikos Karousos, Dimitris Sotiropoulos, Michalis Xenos, Theofanis Orphanoudakis

Proceedings of the Design, User Experience, and Usability. Case Studies in Public and Personal Interactive Systems, 2020

2019

UDSP+: stress detection based on user-reported emotional ratings and wearable skin conductance sensor.

Alexandros Liapis, Christos Katsanos, Nikos Karousos, Michalis Xenos, Theofanis Orphanoudakis

Proceedings of the 2019 ACM International Joint Conference on Pervasive and Ubiquitous Computing and Proceedings of the 2019 ACM International Symposium on Wearable Computers, 2019

Effect of Personality Traits on UX Evaluation Metrics: A Study on Usability Issues, Valence-Arousal and Skin Conductance.

Alexandros Liapis, Christos Katsanos, Michalis Xenos, Theofanis Orphanoudakis

Proceedings of the Extended Abstracts of the 2019 CHI Conference on Human Factors in Computing Systems, 2019

2018

Don't Leave Me Alone: Retrospective Think Aloud Supported by Real-Time Monitoring of Participant's Physiology.

Alexandros Liapis, Christos Katsanos, Michalis Xenos

Proceedings of the Human-Computer Interaction. Theories, Methods, and Human Issues, 2018

2017

Stress in interactive applications: analysis of the valence-arousal space based on physiological signals and self-reported data.

Alexandros Liapis, Christos Katsanos, Dimitris Sotiropoulos, Nikos Karousos, Michalis Xenos

Multim. Tools Appl., 2017

2015

Stress recognition in human-computer interaction using physiological and self-reported data: a study of gender differences.

Alexandros Liapis, Christos Katsanos, Dimitris Sotiropoulos, Michalis Xenos, Nikos Karousos

Proceedings of the 19th Panhellenic Conference on Informatics, 2015

Recognizing Emotions in Human Computer Interaction: Studying Stress Using Skin Conductance.

Alexandros Liapis, Christos Katsanos, Dimitris Sotiropoulos, Michalis Nik Xenos, Nikos Karousos

Proceedings of the Human-Computer Interaction - INTERACT 2015, 2015

Subjective Assessment of Stress in HCI: A Study of the Valence-Arousal Scale using Skin Conductance.

Alexandros Liapis, Christos Katsanos, Dimitris Sotiropoulos, Michalis Nik Xenos, Nikos Karousos

Proceedings of the 11th Biannual Conference on Italian SIGCHI Chapter, 2015

2014

Users' emotional experience using different modalities: a comparative study.

Eleni Chatzidaki, Alexandros Liapis, Alexandros Tsironis, Michalis Nik Xenos, Nektarios Kostaras

Int. J. Web Eng. Technol., 2014

Evaluating User's Emotional Experience in HCI: The PhysiOBS Approach.

Alexandros Liapis, Nikos Karousos, Christos Katsanos, Michalis Nik Xenos

Proceedings of the Human-Computer Interaction. Advanced Interaction Modalities and Techniques, 2014

2013

The physiological measurements as a critical indicator in users' experience evaluation.

Alexandros Liapis, Michalis Nik Xenos

Proceedings of the 17th Panhellenic Conference on Informatics, 2013