User Interface Design for Cooperating Agents in Industrial Process Supervision and Control Applications. - Nikolaos M. Avouris; Marc H. Van Liedekerke; Georgios P. Lekkas; Lynne E. Hall (Int. J. Man Mach. Stud., 1993)

Case-based reasoning in environment monitoring applications. - Georgios P. Lekkas; Nikolaos M. Avouris; Loizos G. Viras (Appl. Artif. Intell., 1994)

Debugging multi-agent systems. - Marc H. Van Liedekerke; Nikolaos M. Avouris (Inf. Softw. Technol., 1995)

Cooperating knowledge-based systems for environmental decision support. - Nikolaos M. Avouris (Knowl. Based Syst., 1995)

Development of distributed problem solving systems for dynamic environments. - Georgios P. Lekkas; Nikolaos M. Avouris; George K. Papakonstantinou (IEEE Trans. Syst. Man Cybern., 1995)

Intelligent Techniques for Spatio-Temporal Data Analysis in Environmental Applications. - Nikolaos Vassilas; Elias Kalapanidas; Nikolaos M. Avouris; Stavros J. Perantonis (Machine Learning and Its Applications, 2001)

Website Evaluation: A Usability-Based Perspective. - Nikolaos M. Avouris; Nikolaos K. Tselios; Christos Fidas; Eleftherios Papachristos (Panhellenic Conference on Informatics, 2001)

Interaction with Web-based Agents for Distance Learning. - Nikolaos M. Avouris; Konstantinos G. Solomos (J. Res. Pract. Inf. Technol., 2001)

Development and evaluation of a computer-based laboratory teaching tool. - Nikolaos M. Avouris; Nikolaos K. Tselios; Emmanuel C. Tatakis (Comput. Appl. Eng. Educ., 2001)

Short-term air quality prediction using a case-based classifier. - Elias Kalapanidas; Nikolaos M. Avouris (Environ. Model. Softw., 2001)

OCAF: an object-oriented model of analysis of collaborative problem solving. - Nikolaos M. Avouris; Angelique Dimitracopoulou; Vassilis Komis; Christos Fidas (CSCL, 2002)

Collaborative problem solving using an open modeling environment. - Christos Fidas; Vassilis Komis; Nikolaos M. Avouris; Angelique Dimitracopoulou (CSCL, 2002)

The Role of Domain Knowledge in a Large Scale Data Mining Project. - Ioannis Kopanas; Nikolaos M. Avouris; Sophia Daskalaki (SETN, 2002)

Improving SMS Usability Using Bayesian Networks. - Manolis Maragoudakis; Nikolaos K. Tselios; Nikos Fakotakis; Nikolaos M. Avouris (SETN, 2002)

Neural and Neuro-Fuzzy Integration in a Knowledge-Based System for Air Quality Prediction. - Ciprian-Daniel Neagu; Nikolaos M. Avouris; Elias Kalapanidas; Vasile Palade (Appl. Intell., 2002)

Computer-Supported Collaborative Concept Mapping: Study of Synchronous Peer Interaction. - Vassilis Komis; Nikolaos M. Avouris; Christos Fidas (Educ. Inf. Technol., 2002)

Student Task Modeling in Design and Evaluation of Open Problem-Solving Environments. - Nikolaos K. Tselios; Nikolaos M. Avouris; Maria Kordaki (Educ. Inf. Technol., 2002)

A Study on Heterogeneity During Realtime Collaborative Problem Solving. - Vassilis Komis; Nikolaos M. Avouris; Christos Fidas (CSCL, 2003)

On Tools for Analysis of Collaborative Problem Solving. - Nikolaos M. Avouris; Vassilis Komis; Georgios Fiotakis; Meletis Margaritis (ICALT, 2003)

Real-Time Collaborative Problem Solving: A Study on Alternative Coordination Mechanisms. - Nikolaos M. Avouris; Meletis Margaritis; Vassilis Komis (ICALT, 2003)

Feature selection for air quality forecasting: a genetic algorithm approach. - Elias Kalapanidas; Nikolaos M. Avouris (AI Commun., 2003)

On analysis of collaborative problem solving: an object-oriented approach. - Nikolaos M. Avouris; Angelique Dimitracopoulou; Vassilis Komis (Comput. Hum. Behav., 2003)

Data mining for decision support on customer insolvency in telecommunications business. - Sophia Daskalaki; Ioannis Kopanas; M. Goudara; Nikolaos M. Avouris (Eur. J. Oper. Res., 2003)

Visualization of Synchronous Collaborative Modeling Activities. - Meletis Margaritis; Nikolaos M. Avouris; Vassilis Komis (ICALT, 2004)

Synchronous Collaboration in Distance Education: A Case Study on a Computer Science Course. - Michalis Nik Xenos; Nikolaos M. Avouris; Vassilis Komis; Dimitris Stavrinoudis; Meletis Margaritis (ICALT, 2004)

An environment for studying collaborative learning activities. - Nikolaos M. Avouris; Vassilis Komis; Meletis Margaritis; Georgios Fiotakis (J. Educ. Technol. Soc., 2004)

Inferring Relations Between Color and Emotional Dimensions of a Web Site Using Bayesian Networks. - Eleftherios Papachristos; Nikolaos K. Tselios; Nikolaos M. Avouris (INTERACT, 2005)

Mystery in the museum: collaborative learning activities using handheld devices. - Jorge Simarro Cabrera; Henar Muñoz Frutos; Adrian G. Stoica; Nikolaos M. Avouris; Yannis A. Dimitriadis; Georgios Fiotakis; Katerina Demeti Liveri (Mobile HCI, 2005)

Survey of position location techniques in mobile systems. - Thanos Manesis; Nikolaos M. Avouris (Mobile HCI, 2005)

Context-based design of mobile applications for museums: a survey of existing practices. - Dimitrios Raptis; Nikolaos K. Tselios; Nikolaos M. Avouris (Mobile HCI, 2005)

Heterogeneity of learning material in synchronous computer-supported collaborative modelling. - Christos Fidas; Vassilis Komis; Spyros Tzanavaris; Nikolaos M. Avouris (Comput. Educ., 2005)

On Supporting Users' Reflection During Small Groups Synchronous Collaboration. - Meletis Margaritis; Nikolaos M. Avouris; Georgios Kahrimanis (CRIWG, 2006)

Bayesian Modelling of Colour's Usage Impact to Web Credibility. - Eleftherios Papachristos; Nikolaos K. Tselios; Nikolaos M. Avouris (ECAI, 2006)

Is There a Way to e-Bologna? Cross-National Collaborative Activities in University Courses. - Andreas Harrer; Georgios Kahrimanis; Sam Zeini; Lars Bollen; Nikolaos M. Avouris (EC-TEL, 2006)

A Model for Interoperability in Computer Supported Collaborative Learning. - Georgios Kahrimanis; Andreas Papasalouros; Nikolaos M. Avouris; Symeon Retalis (ICALT, 2006)

Bridging the Gap between Physical and Abstract Worlds: Capturing Observed Phenomena in Abstract Models through MODELLINGSPACE. - Ioanna Papadimitriou; Georgios Fiotakis; Adrian G. Stoica; Vassilis Komis; Nikolaos M. Avouris (ICALT, 2006)

On supporting young students in visual logic modeling. - Christos Fidas; Nikolaos M. Avouris; Vassilis Komis; Panagiotis Politis (AIAI, 2006)

e-Class Personalized: Design and Evaluation of an Adaptive Learning Content Management System. - Evelthon G. Prodromou; Nikolaos M. Avouris (AIAI, 2006)

Steady State Contingency analysis of electrical networks using machine learning techniques. - Dimitrios Semitekos; Nikolaos M. Avouris (AIAI, 2006)

InfoScent evaluator: a semi-automated tool to evaluate semantic appropriateness of hyperlinks in a web site. - Christos Katsanos; Nikolaos K. Tselios; Nikolaos M. Avouris (OZCHI, 2006)

An Environment for Constructing and Exploring Visual Models of Logic Propositions by Young Students. - Christos Fidas; Panagiotis Politis; Vassilis Komis; Nikolaos M. Avouris (SETN, 2006)

Modeling Perceived Value of Color in Web Sites. - Eleftherios Papachristos; Nikolaos K. Tselios; Nikolaos M. Avouris (SETN, 2006)

Evaluation of Classifiers for an Uneven Class Distribution Problem. - Sophia Daskalaki; Ioannis Kopanas; Nikolaos M. Avouris (Appl. Artif. Intell., 2006)

Enhancing User Support in Open Problem Solving Environments through Bayesian Network Inference Techniques. - Nikolaos K. Tselios; Adrian G. Stoica; Manolis Maragoudakis; Nikolaos M. Avouris; Vassilis Komis (J. Educ. Technol. Soc., 2006)

Towards a flexible model for computer-based analysis and visualization of collaborative learning activities. - Andreas Harrer; Sam Zeini; Georgios Kahrimanis; Nikolaos M. Avouris; José Antonio Marcos; Alejandra Martínez-Monés; Anne Meier; Nikol Rummel; Hans Spada (CSCL, 2007)

Delivering multimedia content in enabled cultural spaces. - Christos Sintoris; Dimitrios Raptis; Adrian G. Stoica; Nikolaos M. Avouris (MobiMedia, 2007)

AutoCardSorter: designing the information architecture of a web site using latent semantic analysis. - Christos Katsanos; Nikolaos K. Tselios; Nikolaos M. Avouris (CHI, 2008)

New challenges in CSCL: towards adaptive script support. - Nikol Rummel; Armin Weinberger; Christof Wecker; Frank Fischer 001; Anne Meier; Eleni Voyiatzaki; Georgios Kahrimanis; Hans Spada; Nikolaos M. Avouris; Erin Walker; Kenneth R. Koedinger; Carolyn P. Rosé; et al. (ICLS (3), 2008)

The effective combination of hybrid usability methods in evaluating educational applications of ICT: Issues and challenges. - Nikolaos K. Tselios; Nikolaos M. Avouris; Vassilis Komis (Educ. Inf. Technol., 2008)

Intelligent - Miner: The Conceptual and Architectural Design of a Web Based Data Mining Service. - Christos Fidas; Manolis Maragoudakis; Nikolaos M. Avouris (e Minds Int. J. Hum. Comput. Interact., 2008)

Automated semantic elaboration of web site information architecture. - Christos Katsanos; Nikolaos K. Tselios; Nikolaos M. Avouris (Interact. Comput., 2008)

"Playing with" museum exhibits: designing educational games mediated by mobile technology. - Nikoleta Yiannoutsou; Ioanna Papadimitriou; Vassilis Komis; Nikolaos M. Avouris (IDC, 2009)

Alternative ways of monitoring collaboration. - Eleni Voyiatzaki; Nikolaos M. Avouris (CSCL (2), 2009)

Assessing Collaboration Quality in Synchronous CSCL Problem-Solving Activities: Adaptation and Empirical Evaluation of a Rating Scheme. - Georgios Kahrimanis; Anne Meier; Irene-Angelica Chounta; Eleni Voyiatzaki; Hans Spada; Nikol Rummel; Nikolaos M. Avouris (EC-TEL, 2009)

MobiAct: Supporting Personalized Interaction with Mobile Context-aware Applications. - Adrian G. Stoica; Nikolaos M. Avouris (AIAI, 2009)

Considering Cost in Usability Evaluation of Mobile Applications: Who, Where and When. - Georgios Fiotakis; Dimitrios Raptis; Nikolaos M. Avouris (INTERACT (1), 2009)

Are Ten Participants Enough for Evaluating Information Scent of Web Page Hyperlinks? - Christos Katsanos; Nikolaos K. Tselios; Nikolaos M. Avouris (INTERACT (1), 2009)

The Subjective and Objective Nature of Website Aesthetic Impressions. - Eleftherios Papachristos; Nikolaos M. Avouris (INTERACT (1), 2009)

Investigating the Effect of Hyperlink Information Scent on Users' Interaction with a Web Site. - Nikolaos K. Tselios; Christos Katsanos; Nikolaos M. Avouris (INTERACT (2), 2009)

Introduction of Synchronous Peer Collaboration Activities in a Distance Learning Course. - Michalis Nik Xenos; Nikolaos M. Avouris; Dimitris Stavrinoudis; Meletis Margaritis (IEEE Trans. Educ., 2009)

Designing a Collaborative Learning Activity in Second Life - An Exploratory Study in Physics. - Ioannis Vrellis; Nikiforos M. Papachristos; Joan Bellou; Nikolaos M. Avouris; Tassos A. Mikropoulos (ICALT, 2010)

Study of the Effect of Awareness on Synchronous Collaborative Problem-Solving. - Irene-Angelica Chounta; Nikolaos M. Avouris (INCoS, 2010)

Determining Relations Between Core Dimenisons of Collaboration Quality: A Multidimensional Scaling Approach. - Georgios Kahrimanis; Irene-Angelica Chounta; Nikolaos M. Avouris (INCoS, 2010)

Teaching Introduction to Computing Through a Project-Based Collaborative Learning Approach. - Nikolaos M. Avouris; Stefanos Kaxiras; Odysseas G. Koufopavlou; Kyriakos N. Sgarbas; Polyxeni Stathopoulou (Panhellenic Conference on Informatics, 2010)

When Security Meets Usability: A User-Centric Approach on a Crossroads Priority Problem. - Christos Fidas; Artemios G. Voyiatzis; Nikolaos M. Avouris (Panhellenic Conference on Informatics, 2010)

A Survey of Tools Supporting Design and Evaluation of Websites Based on Models of Human Information Interaction. - Christos Katsanos; Nikolaos K. Tselios; Nikolaos M. Avouris (Int. J. Artif. Intell. Tools, 2010)

An Architecture to Support Personalized Interaction across Multiple digitally Augmented Spaces. - Adrian G. Stoica; Nikolaos M. Avouris (Int. J. Artif. Intell. Tools, 2010)

MuseumScrabble: Design of a Mobile Game for Children's Interaction with a Digitally Augmented Cultural Space. - Christos Sintoris; Adrian G. Stoica; Ioanna Papadimitriou; Nikoleta Yiannoutsou; Vassilis Komis; Nikolaos M. Avouris (Int. J. Mob. Hum. Comput. Interact., 2010)

Evaluating website navigability: validation of a tool-based approach through two eye-tracking user studies. - Christos Katsanos; Nikolaos K. Tselios; Nikolaos M. Avouris (New Rev. Hypermedia Multim., 2010)

On the necessity of user-friendly CAPTCHA. - Christos Fidas; Artemios G. Voyiatzis; Nikolaos M. Avouris (CHI, 2011)

Rating dimensions of collaboration quality in synchronous collaborating dyads: findings and interpretations. - Georgios Kahrimanis; Irene-Angelica Chounta; Nikolaos M. Avouris (CSCL, 2011)

Designing Pervasive Games for Learning. - Carmelo Ardito; Rosa Lanzilotti; Dimitrios Raptis; Christos Sintoris; Nikoleta Yiannoutsou; Nikolaos M. Avouris; Maria Francesca Costabile (HCI (10), 2011)

Are First Impressions about Websites Only Related to Visual Appeal? - Eleftherios Papachristos; Nikolaos M. Avouris (INTERACT (1), 2011)

The Application of Preference Mapping in Aesthetic Website Evaluation. - Eleftherios Papachristos; Nikolaos M. Avouris (INTERACT (4), 2011)

DEG: Involving End Users and Domain Experts in Design of Educational Games. - Carmelo Ardito; Nikolaos M. Avouris (IS-EUD, 2011)

An Empirical Study on the Web Password Strength in Greece. - Artemios G. Voyiatzis; Christos Fidas; Dimitrios N. Serpanos; Nikolaos M. Avouris (Panhellenic Conference on Informatics, 2011)

Interaction Analysis as a Tool for Supporting Collaboration: An Overview. - Georgios Kahrimanis; Nikolaos M. Avouris; Vassilis Komis (Technology-Enhanced Systems and Tools for Collaborative Learning Scaffolding, 2011)

Time Series Analysis of Collaborative Activities. - Irene-Angelica Chounta; Nikolaos M. Avouris (CRIWG, 2012)

Learning about web accessibility: A project based tool-mediated approach. - Christos Katsanos; Nikolaos K. Tselios; Athanasios Tsakoumis; Nikolaos M. Avouris (Educ. Inf. Technol., 2012)

A Review of Mobile Location-based Games for Learning across Physical and Virtual Spaces. - Nikolaos M. Avouris; Nikoleta Yiannoutsou (J. Univers. Comput. Sci., 2012)

Validating Empirically a Rating Approach for Quantifying the Quality of Collaboration. - Georgios Kahrimanis; Irene-Angelica Chounta; Nikolaos M. Avouris (Intelligent Adaptation and Personalization Techniques in Computer-Supported Collaborative Learning, 2012)

The Good, the Bad and the Neutral: An Analysis of Team-Gaming Activity. - Irene-Angelica Chounta; Christos Sintoris; Melpomeni Masoura; Nikoleta Yiannoutsou; Nikolaos M. Avouris (ECTEL-meets-ECSCW, 2013)

Villard-de-Lans: A Case Study for Participatory People-Centered Smart City Learning Design. - Carlo Giovannella; Andrea Gobbi; Bingxue Zhang; Mar Pérez-Sanagustín; Jesko Elsner; Vincenzo Del Fatto; Nikolaos M. Avouris; Imran A. Zualkernan (ICALT, 2013)

Museums as Intelligent Environments. - Nikolaos M. Avouris; Nikoleta Yiannoutsou; Alexandra Bounia; Maria Roussou (Intelligent Environments (Workshops), 2013)

KLM Form Analyzer: Automated Evaluation of Web Form Filling Tasks Using Human Performance Models. - Christos Katsanos; Nikos Karousos; Nikolaos K. Tselios; Michalis Nik Xenos; Nikolaos M. Avouris (INTERACT (2), 2013)

The Influence of Website Category on Aesthetic Preferences. - Eleftherios Papachristos; Nikolaos M. Avouris (INTERACT (1), 2013)

Discovering the invisible city: Location-based games for learning in smart cities. - Christos Sintoris; Nikoleta Yiannoutsou; Soteris Demetriou; Nikolaos M. Avouris (IxD&A, 2013)

Two Make a Network: Using Graphs to Assess the Quality of Collaboration of Dyads. - Irene-Angelica Chounta; Tobias Hecking; Heinz Ulrich Hoppe; Nikolaos M. Avouris (CRIWG, 2014)

SONETA: A Social Media Geo-Trends Analysis Tool. - Ioannis Ioannidis; Eleftherios Papachristos; Christos Katsanos; Nikolaos Karousos; Christos Fidas; Nikolaos M. Avouris (HCI (22), 2014)

Deployment, Usage and Impact of Social Media Tools in Small and Medium Enterprises: A Case Study. - Eleftherios Papachristos; Christos Katsanos; Nikolaos Karousos; Ioannis Ioannidis; Christos Fidas; Nikolaos M. Avouris (HCI (22), 2014)

A Game Design Workshop to Support the Elaboration of Game Ideas. - Christos Sintoris; Nikoleta Yiannoutsou; Nikolaos M. Avouris (HCI (21), 2014)

It's All about Time: Towards the Real-Time Evaluation of Collaborative Activities. - Irene-Angelica Chounta; Nikolaos M. Avouris (ICALT, 2014)

Studying the effect of perceived hedonic mobile device quality on user experience evaluations of mobile applications. - Dimitrios Raptis; Eleftherios Papachristos; Jesper Kjeldskov; Mikael B. Skov; Nikolaos M. Avouris (Behav. Inf. Technol., 2014)

Support for the teacher in technology-enhanced collaborative classroom. - Eleni Voyiatzaki; Nikolaos M. Avouris (Educ. Inf. Technol., 2014)

Personalization of mobile applications in cultural heritage environments. - Christos A. Fidas; Nikolaos M. Avouris (IISA, 2015)

A survey on tools for end user authoring of mobile applications for cultural heritage. - Christos Fidas; Christos Sintoris; Nikoleta Yiannoutsou; Nikolaos M. Avouris (IISA, 2015)

Towards a Time Series Approach for the Classification and Evaluation of Collaborative Activities. - Irene-Angelica Chounta; Nikolaos M. Avouris (Comput. Informatics, 2015)

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

Do Field Dependence-Independence Differences of Game Players Affect Performance and Behaviour in Cultural Heritage Games? - George E. Raptis; Christos A. Fidas; Nikolaos M. Avouris (CHI PLAY, 2016)

Differences of Field Dependent/Independent Gamers on Cultural Heritage Playing: Preliminary Findings of an Eye-Tracking Study. - George E. Raptis; Christos A. Fidas; Nikolaos M. Avouris (EuroMed (2), 2016)

A qualitative analysis of the effect of wholistic-analytic cognitive style dimension on the cultural heritage game playing. - George E. Raptis; Christos Fidas; Nikolaos M. Avouris (IISA, 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)

Using Eye Tracking to Identify Cognitive Differences: A Brief Literature Review. - George E. Raptis; Christos A. Fidas; Nikolaos M. Avouris (PCI, 2016)

Towards the real-time evaluation of collaborative activities: Integration of an automatic rater of collaboration quality in the classroom from the teacher's perspective. - Irene-Angelica Chounta; Nikolaos M. Avouris (Educ. Inf. Technol., 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)

On Implicit Elicitation of Cognitive Strategies using Gaze Transition Entropies in Pattern Recognition Tasks. - George E. Raptis; Christos A. Fidas; Nikolaos M. Avouris (CHI Extended Abstracts, 2017)

Work in progress: An introduction to computing course using a Python-based experiential approach. - Nikolaos M. Avouris; Kyriakos N. Sgarbas; Vassilis Paliouras; Michalis Koukias (EDUCON, 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)

Design of Location-Based Mobile Games: Introduction. - Christos Sintoris; Nikoleta Yiannoutsou; Nikolaos M. Avouris (INTERACT (4), 2017)

Cultural Heritage Gaming: Effects of Human Cognitive Styles on Players' Performance and Visual Behavior. - George E. Raptis; Christos Fidas; Nikolaos M. Avouris (UMAP (Adjunct Publication), 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)

Design guidelines for location-based mobile games for learning. - Nikolaos M. Avouris; Christos Sintoris; Nikoleta Yiannoutsou (IDC, 2018)

Out of the Box: Using Gamification Cards to Teach Ideation to Engineering Students. - Christos Sintoris; Irene Mavrommati; Nikolaos M. Avouris; Ioannis Chatzigiannakis (AmI, 2018)

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)

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

Introduction to computing: a survey of courses in Greek higher education institutions. - Nikolaos M. Avouris (PCI, 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)

Teaching assistants' interventions in online courses: a comparative study of two massive open online courses. - Anastasius Ntourmas; Nikolaos M. Avouris; Sophia Daskalaki; Yannis A. Dimitriadis (PCI, 2018)

Effects of mixed-reality on players' behaviour and immersion in a cultural tourism game: A cognitive processing perspective. - George E. Raptis; Christos Fidas; Nikolaos M. Avouris (Int. J. Hum. Comput. Stud., 2018)

GrCHI: human-computer interaction set in rich heritage. - Maria Roussou; Nikolaos M. Avouris; George Lepouras (Interactions, 2018)

Cross-study Reliability of the Open Card Sorting Method. - Christos Katsanos; Nikolaos K. Tselios; Nikolaos M. Avouris; Stavros N. Demetriadis; Ioannis Stamelos; Lefteris Angelis (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)

Teaching Assistants in MOOCs Forums: Omnipresent Interlocutors or Knowledge Facilitators. - Anastasios Ntourmas; Nikolaos M. Avouris; Sophia Daskalaki; Yannis A. Dimitriadis (EC-TEL, 2019)

Comparative Study of Two Different Mooc Forums Posts Classifiers: Analysis and Generalizability Issues. - Anastasios Ntourmas; Nikolaos M. Avouris; Sophia Daskalaki; Yannis A. Dimitriadis (IISA, 2019)

On the Use of Persistent Spatial Points for Deploying Path Navigation in Augmented Reality: An Evaluation Study. - Vasileios Bachras; George E. Raptis; Nikolaos M. Avouris (INTERACT (4), 2019)

Evaluation of a Massive Online Course Forum: Design Issues and Their Impact on Learners' Support. - Anastasios Ntourmas; Nikolaos M. Avouris; Sophia Daskalaki; Yannis A. Dimitriadis (INTERACT (2), 2019)

Supporting Designers in Creating Cognition-centered Personalized Cultural Heritage Activities. - George E. Raptis; Nikolaos M. Avouris (UMAP (Adjunct Publication), 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)

Do Game Designers' Decisions Related to Visual Activities Affect Knowledge Acquisition in Cultural Heritage Games? An Evaluation From a Human Cognitive Processing Perspective. - George E. Raptis; Christos Fidas; Nikolaos M. Avouris (ACM Journal on Computing and Cultural Heritage, 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)

Excavations go mobile: A web-based mobile application for archaeological excavations. - Alexandros-Stavros S. Karabinakis; Georgios D. Styliaras; Nikolaos M. Avouris (IISA, 2020)

Teaching Human-Computer Interaction for Social Good. - Nikolaos M. Avouris (CHI Greece, 2021)

On evaluating online teaching and learning experience: A usability evaluation study of synchronous teaching platforms. - Nikolaos Bourgos; Aigli Chroni; Maria Kounalaki; Eirini Papadopoulou; Alexandros Skarmitzos; Aggeliki Triantafilli; Iro Zagota; Christos Sintoris; Nikolaos M. Avouris (CHI Greece, 2021)

Tracing El Greco's Echoes of Antiquity: Audience Interaction with Online Art. - Pericles Pericleous; Ianthi Assimakopoulou; Andri Ioannou; Christos Fidas; Nikolaos M. Avouris (CHI Greece, 2021)

Exploring the "distance" between MOOC forums: A comparative study on discussion topics. - Anastasios Ntourmas; Nikolaos M. Avouris; Sophia Daskalaki; Yannis A. Dimitriadis (ICALT, 2021)

Dealing with Input Mode Confusion During Dual-Language Keyboard Use. - Paraskevas Petsanas; Christos Sintoris; Nikolaos M. Avouris (INTERACT (4), 2021)

Classification of Discussions in MOOC Forums: An Incremental Modeling Approach. - Anastasios Ntourmas; Yannis A. Dimitriadis; Sophia Daskalaki; Nikolaos M. Avouris (L@S, 2021)

Assessing Learner Facilitation in MOOC Forums: A Mixed-Methods Evaluation Study. - Anastasios Ntourmas; Yannis Dimitriadis 001; Sophia Daskalaki; Nikolaos M. Avouris (IEEE Trans. Learn. Technol., 2022)

Human factors in software development: A study on database systems adoption by developers. - Ioanna Terzi; Monica Divitini; Nikolaos M. Avouris (CHI Greece, 2023)

Implementing a data-driven framework for measuring digital readiness across European universities. - Konstantinos Tsimpanis; Nikolaos M. Avouris; Irene-Angelica Chounta; Sophia Daskalaki; Yannis A. Dimitriadis; Carlos Madrid Gari; Athanasia Kalouptsoglou; Alejandro Ortega-Arranz; Pantelis Balaouras (EUNIS, 2023)

Extending User Interaction with Mixed Reality Through a Smartphone-Based Controller. - Georgios Papadoulis; Christos Sintoris; Christos Fidas; Nikolaos M. Avouris (INTERACT (1), 2023)

Exploring the Potential of Metaverse Apps for Real-World Applications: A Case Study with CALEND_AR. - Konstantinos Tsomokos; Christos Sintoris; Christos Fidas; Nikolaos M. Avouris (INTERACT (4), 2023)

Classifying MOOC forum posts using corpora semantic similarities: a study on transferability across different courses. - Anastasios Ntourmas; Sophia Daskalaki; Yannis A. Dimitriadis; Nikolaos M. Avouris (Neural Comput. Appl., 2023)

Correction to: Classifying MOOC forum posts using corpora semantic similarities: a study on transferability across different courses. - Anastasios Ntourmas; Sophia Daskalaki; Yannis Dimitriadis 001; Nikolaos M. Avouris (Neural Comput. Appl., 2023)

Continuous user identification in distance learning: a recent technology perspective. - David Portugal; José N. Faria; Marios Belk; Pedro Martins 004; Argyris Constantinides; Anna Maria Pietron; Andreas Pitsillides; Nikolaos M. Avouris; Christos A. Fidas (Smart Learn. Environ., 2023)

Teaching Introduction to Programming in the times of AI: A case study of a course re-design. - Nikolaos M. Avouris; Kyriakos N. Sgarbas; George Caridakis; Christos Sintoris (CoRR, 2025)