An Empirical Study on the Effects of Embodied Conversational Agents on User Retention Performance and Perception in a Simulated Mobile Environment. - Ioannis Doumanis; Serengul Smith (Intelligent Environments (Workshops), 2013)

Beyond Artificial Intelligence Markup Language (AIML) Rapid prototyping of a Q&A system. - Ioannis Doumanis; Serengul Smith (Intelligent Environments (Workshops), 2013)

Evaluating humanoid embodied conversational agents in mobile guide applications. - Ioannis Doumanis (2013)

Evaluating the Impact of Embodied Conversational Agents (ECAs) Attentional Behaviors on User Retention of Cultural Content in a Simulated Mobile Environment. - Ioannis Doumanis; Serengul Smith (GazeIn@ICMI, 2014)

The REVERIE Human Representation Addresses Issues Related to Virtual Presence, Communication, and Interaction in Collaborative Virtual Environments. - Ioannis Doumanis; Daphne Economou; Nektarios Georgalas (CIT/IUCC/DASC/PICom, 2015)

Playing Immersive Games on the REVERIE Platform. - Ioannis Doumanis; Julie A. Wall; David S. Monaghan (CIT/IUCC/DASC/PICom, 2015)

An Expert Review of REVERIE and its potential for game-based learning. - Ioannis Doumanis; Stuart Porter; Daphne Economou; Serengul Smith (Intelligent Environments (Workshops), 2015)

Evaluation of a dynamic role-playing platform for simulations based on Octalysis gamification framework. - Daphne Economou; Ioannis Doumanis; Frands Pedersen; Paresh Kathrani; Markos Mentzelopoulos; Vassiliki Bouki (Intelligent Environments (Workshops), 2015)

Evaluating an Intelligent Q&A System for Mobile Cultural Learning. - Ioannis Doumanis; Serengul Smith (EAI Endorsed Trans. Future Intell. Educ. Environ., 2015)

A Framework for Research in Gamified Mobile Guide Applications using Embodied Conversational Agents (ECAs). - Ioannis Doumanis; Serengul Smith (Int. J. Serious Games, 2015)

Engaging Immersive Video Consumers: Challenges Regarding 360-Degree Gamified Video Applications. - Lemonia Argyriou; Daphne Economou; Vassiliki Bouki; Ioannis Doumanis (IUCC-CSS, 2016)

Westminster Serious Games Platform (wmin-SGP) a tool for real-time authoring of roleplay simulations for learning. - Daphne Economou; Ioannis Doumanis; Frands Pedersen; Paresh Kathrani; Markos Mentzelopoulos; Vassiliki Bouki; Nektarios Georgalas (EAI Endorsed Trans. Future Intell. Educ. Environ., 2016)

User experience evaluation of human representation in collaborative virtual environments. - Daphne Economou; Ioannis Doumanis; Lemonia Argyriou; Nektarios Georgalas (Pers. Ubiquitous Comput., 2017)

IP Over ICN Goes Live. - George Xylomenos; Yannis Thomas; Xenofon Vasilakos; Michael Georgiades; Alexander Phinikarides; Ioannis Doumanis; Stuart Porter; Dirk Trossen; Sebastian Robitzsch; Martin J. Reed; Mays F. Al-Naday; George P. Petropoulos; et al. (EuCNC, 2018)

IPTV Over ICN. - George Xylomenos; Alexander Phinikarides; Ioannis Doumanis; Xenofon Vasilakos; Yannis Thomas; Dirk Trossen; Michael Georgiades; Stuart Porter (PV@MMSys, 2018)

Using Cognitive Walkthrough and Hybrid Prototyping to Gather User Requirements in Early Design Virtual Reality Prototypes. - Ioannis Doumanis; Daphne Economou (iLRN, 2019)

The impact of multimodal collaborative virtual environments on learning: A gamified online debate. - Ioannis Doumanis; Daphne Economou; Gavin Robert Sim; Stuart Porter (Comput. Educ., 2019)

Affective Communication between ECAs and Users in Collaborative Virtual Environments: The REVERIE European Parliament Use Case. - Ioannis Doumanis; Daphne Economou (Multimodal Technol. Interact., 2019)

Evaluating the Impact of Multimodal Collaborative Virtual Environments on User's Spatial Knowledge and Experience of Gamified Educational Tasks. - Ioannis Doumanis; Daphne Economou (iLRN, 2020)

Improving video QoE with IP over ICN. - Ioannis Doumanis; Alexander Phinikarides; George Xylomenos; Stuart Porter; Michael Georgiades (Int. J. Netw. Manag., 2020)

Using Serious Games for Learning British Sign Language Combining Video, Enhanced Interactivity, and VR Technology. - Daphne Economou; Melissa Gonzalez Russi; Ioannis Doumanis; Markos Mentzelopoulos; Vassiliki Bouki; Jeffery Ferguson (J. Univers. Comput. Sci., 2020)

Multimodal Assessment of Network Music Performance. - Konstantinos Tsioutas; Konstantinos Ratzos; George Xylomenos; Ioannis Doumanis (ICMI Companion, 2021)

Measuring and Comparing QoE of Hybrid VR Applications under Increased Network Load. - Ioannis Doumanis; Daphne Economou; Lemonia Argyriou (iLRN, 2021)

An empirical evaluation of QoME for NMP. - Konstantinos Tsioutas; George Xylomenos; Ioannis Doumanis (NTMS, 2021)

Inclusive Child Engagement in HCI: Exploring Ocean Health with Schoolchildren. - Janet C. Read; Matthew Horton; Dan Fitton; John King; Gavin Sim; Julie Allen; Ioannis Doumanis; Tony Graham; Dongjie Xu; Michelle Tierney; Mark Lochrie; I. Scott MacKenzie (IDC, 2024)

Evaluating Immersion in Digital Video Using EEG and Subjective Measures: A Pilot Study. - Ioannis Doumanis; Daphne Economou; Konstantinos Tsioutas (CHIRA (1), 2024)

Evaluating Emotional Responses to Experimental Video Art. - Konstantinos Tsioutas; Ioannis Doumanis; Konstantinos Dalezios; Dora Siafla; Konstantinos Tiligadis (NTMS, 2025)