Publications – Xenos

Journals

[J59] Xenos, M., Mallas, A., Minas, D., “Using Eye-Tracking for Adaptive Human-Machine Interfaces for Pilots: A Literature Review and Sample Cases”, Journal of Physics: Conference Series, 2716 (2024), 012072, March 2024.
[J58] Mallas A., Rigou M., Xenos M., “Comparing the Performance and Evaluation of Computer Experts and Farmers when Operating Agricultural Robots: A Case of Tangible vs Mouse-Based UIs”, Human Behavior and Emerging Technologies Volume 2022, Article ID 6070285, August 2022.
[J57] Liapis A., Katsanos C., Karousos N., Xenos M., Orphanoudakis T., “User experience evaluation: a validation study of a tool-based approach for automatic stress detection using physiological signals”, International Journal of Human-Computer Interaction, 2020.
[J56] Katsanos C., Xenos M., Tselios N., Karousos N., “Tool-mediated HCI modelling instruction: evidence from three studies” Behaviour & Information Technology, Taylor & Francis, 2020.
[J55] Pierrakeas C., Koutsonikos G., Lipitakis A.D., Kotsiantis S., Xenos M., Gravvanis G., “The Variability of the Reasons for Student Dropout in Distance Learning and the Prediction of Dropout-Prone Students” in “Machine Learning Paradigms: Advances in Learning Analytics”, M. Virvou, E. Alepis, G. A. Tsihrintzis and L. C. Jain (Eds), pp. 91-111, Liverpool, UK: Springer International Publishing, 2019.
[J54] Chatzidaki E., Xenos M., “Let’s play a game! Kin-LDD: A tool for assisting in the diagnosis of children with learning difficulties”, Multimodal Technologies and Interaction, vol. 3., no. 1, Special Issue “Digital Health Applications of Ubiquitous HCI Research”, pp 1-16, 2019.
[J53] Koulocheri E., Xenos M., “Correlating Formal Assessment with Social Network Activity within a Personal Learning Environment”, International Journal of Web-Based Learning and Teaching Technologies (IJWLTT), Vol. 14, Issue 1, pp. 17-31, January 2019.
[J52] Adamides G., Katsanos C., Christou G., Xenos M., Hadzilacos T., Edan Y., “Design and development of a semi-autonomous agricultural vineyard sprayer: human-robot interaction aspects”, Journal of Field Robotics, Vol. 34, Issue 8, pp. 1407-1426, December 2017.
[J51] Adamides G., Katsanos C., Parmet Y., Christou G., Xenos M., Hadzilacos T., Edan Y., “HRI usability evaluation of interaction modes for a teleoperated agricultural robotic sprayer”, Journal of Applied Ergonomics, Vol 62, pp. 237-246, July 2017.
[J50] Kotsiantis S., Tselios N., Xenos M., “Students’ evaluation of tutors in distance education: a quasi-longitudinal study”, International Journal of Learning Technology, Vol. 12., No. 1, pp. 26-41, 2017.
[J49] Liapis A., Katsanos C., Sotiropoulos D., Karousos N., Xenos M., “Stress in Interactive Applications: Analysis of the Valence-Arousal Space Based on Physiological Signals and Self-Reported Data”, Multimedia Tools and Applications Journal, Volume 76, Issue 4, pp. 5051-5071, February 2017.
[J48] Maratou V. Chatzidaki E., Xenos M., “Enhance Learning on Software Project Management through a Role-Play Game in a Virtual World”, Interactive Learning Environments, Vol. 24, No. 4, pp. 897-915, 2016.
[J47] Granic A., Maratou V., Mettouris C., Papadopoulos G., Xenos M., “Personalized Context-Aware Recommendations in 3D Virtual Learning Environments”, TOJET, Special Issue, pp 396-406, August, 2015.
[J46] Adamides G. Christou G., Katsanos C., Xenos M., Hadzilacos, T., “Usability Guidelines for the Design of Robot Teleoperation: A Taxonomy” , IEEE Transactions on Human-Machine Systems, Vol. 45, Issue 5, pp. 256-262, April, 2015.
[J45] Patriarcheas K., Xenos M., “The complexity of text-based computer mediated communication: a system for automated representation of discussion threads’ messages in asynchronous distance education fora”, International Journal of Innovation and Regional Development, Vol. 6, No. 3, pp. 285-309, 2015.
[J44] Chatzidaki E., Liapis A., Tsironis A., Xenos M., Kostaras N., “Users’ Emotional Experience using Different Modalities: A Comparative Study”, International Journal of Web Engineering and Technology, Vol. 9, No. 2, pp. 148-163, 2014.
[J43] Chrysochos E., Fotopoulos V., Xenos M., Skodras A., “Hybrid Watermarking Based on Chaos and Histogram modification”, Signal Image and Video Processing Journal, Vol. 8, Issue 5, pp. 843-857, 2014.
[J42] Patriarcheas K., Xenos M., “A comparative study in educational techniques by using combined environment via computer and mobile devices in asynchronous discussion forum”, International Journal of Mobile Communications, Vol. 12, No.1, pp. 56-77, 2014.
[J41] Kostaras, Ν., Xenos, M., “Usability Evaluation of Augmented Reality Systems”, Intelligent Decision Technologies, IOS Press, Volume 6, No. 2, pp.139-149, 2012.
[J40] Patriarcheas K., Papaloukas S., Xenos M., “The text-based computer-mediated communication in distance education fora: A modelling approach based on formal languages”. In T. Daradoumis et al. (Ed.): Intelligent Adaptation and Personalization Techniques in Computer-Supported Collaborative Learning, Series “Studies in Computational Intelligence” (SCI), Springer-Verlag, Berlin Heidelberg, Germany, pp.239-266, 2012.
[J39] Soumplis A., Koulocheri E., Kostaras N., Karousos N., Xenos M., “Learning Management Systems and Learning 2.0”, International Journal of Web-Based Learning and Teaching Technologies (IJWLTT), Volume 6, Issue 4, pp. 1-18, 2011.
[J38] Xenos M., “The Framework for Innovation and Entrepreneurship in Higher Education in Greece – The Hellenic Open University Case”, Journal for the Systemic Innovation of Education (JSIE), Vol. 1, Issue 1, pp. 75-81, 2011.
[J37] Tsolis D., Sioutas S., Xenos M., Styliaras G., “Copyright and IPR Management for Cultural Heritage Digital Content in Peer to Peer Networks”, Journal of Cultural Heritage, Vol. 12, Issue 4, pp. 466-475, 2011.
[J36] Kostaras, Ν., Xenos, M., “A Study on How Usability Flaws in GUI design Increase Mouse Movements and consequently may Affect Users’ Health”, Behaviour & Information Technology, Taylor & Francis, 30: 3, pp. 425-436, 2011.
[J35] Stefani A., Xenos M., “Weight-Modeling of B2C System Quality”, Computer Standards & Interfaces Vol. 33, Issue 4, pp. 411-421, June 2011.
[J34] Kostaras, Ν., Xenos, M., “Evaluating usability in a distance digital systems laboratory class”, IEEE Transactions on Education, vol. 54, no. 2, pp. 308-313, May 2011.
[J33*] Kotsiantis S., Patriarcheas K., Xenos M., “A combinational incremental ensemble of classifiers as a technique for predicting students’ performance in distance education”, Knowledge-Based Systems, Amsterdam, Netherlands, Vol. 23, Issue 6, pp. 529-535, 2010.
[J32] Kostaras N., Stavrinoudis D., Sokoli S., Xenos M., “Combining Experimental and Inquiry Methods in software usability evaluation: the paradigm of LvS Educational Software”, Journal of Systems and Information Technology, Vol. 12, No. 2, pp. 120-139, 2010.
[J31] Vassiliadis B., Xenos M., Stefani A., “Enabling Enhanced Learning in an Open University Environment: a Grid-aware architecture”, International Journal of Information and Communication Technology Education, Vol. 5, No. 3, pp. 59-73, July 2009.
[J30] Patriarcheas K., Xenos M., “Modelling of distance education forum: Formal languages as interpretation methodology of messages in asynchronous text-based discussion”, Computers & Education, Elsevier, Amsterdam, Netherlands, Vol. 52, Issue 2, pp. 438-448, 2009.
[J29] Xenos M., Avouris N., Stavrinoudis D., Margaritis M., “Introduction of synchronous peer collaboration activities in a distance learning course”, IEEE Transactions on Education Journal, Vol. 52, Issue 3, pp. 305-311, 2009.)
[J28] Stefani A., Xenos M., “Meta-metric Evaluation of E-Commerce-related Metrics”, Journal of Electronic Notes in Theoretical Computer Science ENTCS, 233, pp. 59-72, 2009.
[J27] Stavrinoudis D., Xenos M., “On Technological Issues Affecting Online Learners’ Behavior”, Journal of Computational Methods in Sciences and Engineering, Special Issue: Intelligent Systems and Knowledge Management, Vol. 8, No. 3, pp. 183-194, 2008.
[J26] Xenos M., Tsiatsos T., Vassiliadis B., “Large Scale Deployment of Distance Education in Computer Science at the Hellenic Open University”, International Journal of Knowledge and Learning, Vol. 4, Issue 2/3, pp. 285-297, 2008.
[J25] Stefani A., Xenos M., “E-Commerce System Quality Assessment using a Model based on ISO 9126 and Belief Networks”, Software Quality Journal, Vol. 16 (1), pp. 107-129, March 2008.
[J24] Drossos L., Vassiliadis B., Stefani A., Xenos M., “Blended ICT models for use in Higher Education”, in “Adapting Information and Communication Technologies for Effective Education”, Tomei L. (Ed), Information Science Reference, ISBN: 978-1599049250, Chapter II, pp. 13-29, November 2007.
[J23] Xenos M. and Papadopoulos T., “Computer Aided Evaluation of Higher Education Tutors’ Performance”, Studies in Educational Evaluation Journal, Vol. 33 (2), pp. 175-196, June, 2007.
[J22] Stefani A., Vassiliadis B., Xenos M., “On the Quality Assessment of Advanced e-Learning Services”, Journal of Interactive Technology and Smart Education, Vol. 3, Issue 3, pp. 237-250, August, 2006.
[J21*] Hadzilacos T., Kalles D., Pierrakeas C., Xenos M., “On Small Data Sets revealing Big Differences ”, In “Advances in Artificial Intelligence”, Antoniou G., Potamias G., Spyropoulos C., Plexousakis D. (Eds.), Springer, Lecture Notes in Computer Science, Volume 3955, pp. 512-515, 2006.
[J20] Stefani A., Vassiliadis B., Xenos M., “Behavioral patterns in hypermedia systems: a short study of e-commerce vs. e-learning practices”, In “Adaptive and Personalized Semantic Web”, Sirmakesis S. (Ed.), Springer, ISBN: 3-540-30605-6, pp. 57-64, 2006.
[J19] Stefani A., Stavrinoudis D., Xenos M., “In-Depth Analysis of Selected Topics Related to the Quality Assessment of E-Commerce Systems”, In e-Business and Telecommunication Networks Vol II, Filipe J., Coelhas H., Saramago M., (Eds.), ISBN: 978-3-540-75992-8, pp. 39-48, 2007.
[J18] Rigou M., Sirmakessis S., Stavrinoudis D., Xenos M., “Tools and Methods for Supporting Online Learning Communities and their Evaluation”, In “User-Centered Design of Online Learning Communities”, Idea Group Inc., Lambropoulos N. and Zaphiris P. (Eds.), Information Science Publishing, pp. 215-237, 2006.
[J17] Drossos L., Vassiliadis B., Stefani A., Xenos M., Sakopoulos E., Tsakalidis A., “Introducing ICT in a traditional higher education environment: background, design and evaluation of a blended approach”, International Journal of Information and Communications Technology Education (IJICTE), Vol.2, Issue 1, pp. 65-78, 2005.
[J16] Xenos M., “Software Metrics and Measurements”, In “Encyclopedia of E-Commerce, E-Government and Mobile Commerce”, Mehdi Khosrow-Pour (Ed.), Idea Group Publishing, ISBN: 1-59140-799-0, pp. 1029-1036, 2006.
[J15] Stefani A., Stavrinoudis D., Xenos M., “Experimental Based Tool Calibration used for Assessing the Quality of E-Commerce Systems”, In “e-Business and Telecommunication Networks”, Ascenso J., Vasiu L., Belo C., Saramago M., (Eds.), ISBN: 1-4020-4760-6, pp. 91-97, 2006.
[J14] Papadakis S., Xenos M., Mitsou E., “Experiences and technical issues from the delivery of computer-based learning materials in the Hellenic Open University”, Open Education: the Journal for Open and Distance Education and Educational Technology, Vol. 1, No. 2, pp. 12-28, 2005.
[J13] Xenos M., Hantzara K., Mitsou E., Kostopoulos I., “A Model for the Assessment of Watermark Quality with regard to Fidelity”, Journal of Visual Communication and Image Representation, Vol. 16 (6), pp. 621-642, 2005.
[J12] Stavrinoudis D., Xenos M., Peppas P. and Christodoulakis D., “Early estimation of users’ perception of Software Quality”, Software Quality Journal, Springer Science + Business Media, Vol 13, Issue 2, pp.155-175, 2005.
[J11] Pierrakeas C., Xenos M., Panagiotakopoulos C. and Vergidis D., “A comparative study of dropout rates and causes for two different distance education courses”, The International Review of Research in ODL Journal, ISSN 1492-3831, Vol 5 (2), July, 2004.
[J10*] Hadzilacos T., Kalles D., Papadakis S., Xenos M., “Productionizing of Streaming Educational Material”, European Journal of Open and Distance Learning, ISSN 1027-5207, 2004.
[J09] Xenos M., Dermitzioti E., Pierrakeas C., “Assessing the Quality of Web Sites Used in Higher Open Distance Education Courses”, Education, Communication & Information, Routledge, Vol 4 (2/3), pp. 237-253, 2004.
[J08] Xenos M., “Prediction and Assessment of Student Behaviour in Open and Distance Education in Computers using Bayesian Networks”, International Journal of Computers & Education, Vol. 43 (4), pp. 345-359, 2003.
[J07] Xenos M., “Technical Issues Related to IT Governance Tactics: Product Metrics, Measurements and Process Control”, In “Strategies for Information Technology Governance”, Wim Van Grembergen (Ed.), Idea Group Publishing, ISBN 1-59140-140-2, Chapter IX, pp. 216-244, 2003.
[J06] Pierrakeas C., Xenos M., Pintelas P., “Evaluating and Improving Educational Material and Tutoring Aspects of Distance Learning Systems”, International Journal Studies in Educational Evaluation, Vol. 29 (4), pp. 335-349, 2003.
[J05*] Armeni S., Christodoulakis D., Kostopoulos I., Kountrias C., Stamatiou Y., Xenos M., “An Information Hiding Method based on Computational Intractable Problems”, Vol. 2563 Advances in Informatics, Manolopoulos Y., Evripidou S., Kakas A., (Eds.) Springer Verlag, ISSN 0302-9743, pp. 262-278, 2003. Selected (31 out of 104) and revised papers from 8th PCI 2001.
[J04] Xenos M., Pierrakeas C., Pintelas P., “A Survey on Student Dropout Rates and Dropout Causes Concerning the Students in the Course of Informatics of the Hellenic Open University”, International Journal of Computers & Education, Vol. 39 (4), pp. 361-377, 2002.
[J03*] Armeni S., Christodoulakis D., Kostopoulos I., Stamatiou Y., Xenos M., “Secure Information Hiding based on Computationally Intractable Problems”, Journal of Discrete Mathematical Sciences & Cryptography, Vol. 6 (1), pp. 21-33, April 2003.
[J02] Xenos M., Christodoulakis D., “Measuring Perceived Software Quality”, Information and Software Technology Journal, Butterworth Publications, Vol. 39, Issue 6, pp. 417-424, June 1997.
[J01] Xenos M., Christodoulakis D., “Software Quality: The User’s Point of View”, In “Software Quality and Productivity: Theory, practice, education and training”, Mathew Lee, Ben-Zion Barta and Peter Juliff (Eds.), Chapman and Hall Publications, ISBN 0-412-629607, pp. 266-272, 1995.

Conferences

[C148] Vazaios S., Mallas A., Xenos M., “Eye-Tracking Based Automatic Summarization of Lecture Slides”, IEEE ICCA 2023, 5^th International Conference on Computer & Applications, Cairo, Egypt, 28-30 November 2023.
[C147] Dritsa S., Mallas A., Xenos M., “Screen Reading Regions in Social Media Comments: An Eye-Tracking Analysis of Visual Attention on Smartphones”, Proceedings of the 27^th Panhellenic Conference on Informatics, PCI2023, pp. 95-101, Lamia, Greece, 24-26 November 2023.
[C146] Xenos, M., Mallas, A., Minas, D., “Using Eye-Tracking for Adaptive Human-Machine Interfaces for Pilots: A Literature Review and Sample Cases”, Book of Abstracts of the 13^th EASN International Conference on Innovation in Aviation & Space for opening New Horizons, Salerno, Italy, 5-8 September 2023.
[C145] Evangelou S.M., Xenos M., “An Experimental Study of the Relationship Between Static Advertisements Effectiveness and Personality Traits: Using Big-Five, Eye-Tracking, and Interviews”, 25^th International Conference on Human-Computer Interaction, LNCS Vol 14039 Springer, pp. 285-299, Copenhagen, Denmark, 23-28 July 2023.
[C144] Mallas, A., Xenos, M., Margosi, M., “Users’ Opinions When Drawing with an Eye Tracker”, 25^th International Conference on Human-Computer Interaction, LNCS Vol 14020 Springer, pp. 428-439, Copenhagen, Denmark, 23-28 July 2023.
[C143] Evangelou S.M., Kapsoulakis V., Xenos M., “Evaluation of a Serious Game for Young Software Engineering Graduates: Interviewing Skills and Soft Skills”, Proceedings of the IEEE EDUCON2023 Conference, pp 1-7, Salmaira, Kuwait, 1-4 May 2023.
[C142] Mallas A., Samanta M., Xenos M., “Evaluating a Game-based and a Web-based User Interface Using Skin Conductivity Signals and Gamers and Non-Gamers Preferences”, 8^th International Conference on Engineering and Emerging Technologies (ICEET 2022), Kuala Lumpur, Malaysia, 27-28 October 2022.
[C141] Mallas, A., Xenos, M., Katsanos, C., “A Descriptive Model of Passive and Natural Passive Human-Computer Interaction”, 24^th International Conference on Human-Computer Interaction, In: Kurosu, M. (eds) Human-Computer Interaction. Theoretical Approaches and Design Methods. HCII 2022. LNCS Vol 13302, Springer, pp. 104-116, held online, 26 June-1 July 2022.
[C140] Mallas A., Evangelou S.M., Xenos M., “Software Engineering Students’ Perceptions for a 3D Learning Environment Regarding Anxiety”, Proceedings of the IEEE EDUCON2022 Conference, pp. 1074-1081, Tunis, Tunisia, 28-31 March 2022.
[C139] Zarkadoula K., Xenos M. “Evaluating Usability and Educational Effectiveness of a Serious Game for Programmers Using Alternative Interfaces and Types of Activities”, Proceedings of the IEEE EDUCON2022 Conference, pp. 645-652, Tunis, Tunisia, 28-31 March 2022.
[C138] Mallas A., Xenos M., Karavasili M., “Evaluating Digital Nudging Effectiveness Using Alternative Questionnaires Design”, 23^rd International Conference on Human-Computer Interaction, LNCS Vol 12765 Springer, pp. 49-60, Washington DC, USA, (held online), 24-29 July 2021.
[C137] Rigou M., Xenos M., Evangelou S.M., “Shifting the Flipped Classroom Online: Experiences from a Postgraduate Course on Usability Evaluation During COVID-19 Lockdown”, Proceedings of the IEEE EDUCON Conference, pp. 272-277, Vienna, Austria, (held online), 21-23 April 2021.
[C136] Evangelou S.M., Georgia Stamoulakatou G., Xenos M., “A Serious Game for Mobile Phones used in a Software Engineering Course: Usability Evaluation and Educational Effectiveness”, Proceedings of the IEEE EDUCON Conference, pp 219-225, Vienna, Austria, (held online), 21-23 April 2021.
[C135] Vlachogianni, P., Tselios, N., Xenos, M., “Personality traits and perceived usability evaluation of e-learning platforms: a case study”, in IADIS 17^th International Conference Cognition and Exploratory Learning in Digital Age (CELDA) 2020 Conference, Lisbon, Portugal, (held online), 18-20 November 2020.
[C134] Evangelou S.M., Xenos M., “Banner Advertisement Effectiveness using Big-5 Personality Traits, Advertisement Recall, and Visual Attention”, Proceedings of the 24^th Panhellenic Conference on Informatics, PCI2020, Main Track, pp. 256-259, Athens, Greece, (held online), 20-22 November 2020.
[C133] Karousos N., Tatsis F., Karousos D., Katsanos C., Xenos M., Tselios M., “WKLM-FA: A Web Application for Automated Human-Computer Interaction Modeling of Web Form Filling Tasks”, Proceedings of the 24^th Panhellenic Conference on Informatics, PCI2020, Main Track, pp. 183-187, Athens, Greece, (held online), 20-22 November 2020.
[C132] Vlachogianni, P., Tselios, N., Xenos, M., “Perceived usability of Learning Management Systems and University Websites: A systematic review”, in Proceedings of the 14^th International Conference on Interfaces and Human Computer Interaction, pp. 85-92, Zagreb, Croatia, (held online), July 23 – 25 2020.
[C131] Mallas A., Xenos M., Rigou M., “Evaluating a Mouse-based and a Tangible Interface Used for Operator Intervention on two Autonomous Robots”, 22^nd International Conference on Human-Computer Interaction, LNCS Vol 12182 Springer, pp. 668-678, Copenhagen, Denmark, (held online), 19-24 July 2020.
[C130] Liapis A., Katsanos C., Karousos N., Sotiropoulos D., Xenos M., Orphanoudakis T., “Stress HeatMaps: A Fuzzy-based Approach that Uses Physiological Signals”, 22^nd International Conference on Human-Computer Interaction, LNCS Vol 12202 Springer, pp. 268-277, Copenhagen, Denmark, (held online), 19-24 July 2020.
[C129] Liapis A., Katsanos C., Karousos N., Xenos M., Orphanoudakis T., “UDSP+: Stress Detection based on User-Reported Emotional Ratings and Wearable Skin Conductance Sensor”, Adjunct Proceedings of the 2019 ACM International Joint Conference on Pervasive and Ubiquitous Computing and Proceedings of the 2019 ACM International Symposium on Wearable Computers, pp.125-128, London, UK, September 9-13 2019.
[C128] Mallas A., Xenos M., “Gamification of In-classroom Diagram Design for Science Students”, 13th International Conference on e-Learning, pp. 227-234, Porto, Portugal, 16-19 July 2019.
[C127] Xenos M., Christodoulopoulou C., Mallas A., Garofalakis J., “The Future Time Traveller Project: Career Guidance on Future Skills, Jobs and Career Prospects of Generation Z through a Game-Based Virtual World Environment”, 10th International IEEE Conference on Information Intelligence Systems & Applications, IISA 2019, Patras, Greece, 15-17 July 2019.
[C126] Liapis A., Katsanos C., Xenos M., Orphanoudakis T., “Effect of Personality Traits on UX Evaluation Metrics: A Study on Usability Issues, Valence-Arousal and Skin Conductance”, ACM CHI 2019, Glasgow, UK, 4-9 May 2019.
[C125] Xenos M., “From Lectures to Studios and Blended Learning Methods for Teaching HCI”, Panel Position Paper, EduCHI2019 Symposium, ACM CHI 2019, Glasgow, UK, 4-9 May 2019.
[C124] Xenos M., “Lessons Learned from Introducing Educational Novelties in a Flipped Classroom M.Sc. H CI – HRI Course” , EduCHI2019 Symposium, ACM CHI 2019, Glasgow, UK, 4-9 May 2019.
[C123] Xenos M., Rigou M., “Teaching HCI Design in a Flipped Learning M.Sc. Course Using eye Tracking Peer Evaluation Data”, ECEL, 17th European Conference on e-Learning, pp. 611-619, Athens, Greece, 1-2 November 2018.
[C122] Xenos M., Velli V., “A Serious Game for Introducing Software Engineering Ethics to University Students”, ICL2018, 21st International Conference on Interactive Collaborative Learning, pp. 263-274, Kos, Greece, 25-28 September 2018.
[C121] Katsanos C., Xenos M., Tselios N., “Tool-mediated HCI Modeling Instruction in a Campus-based Software Quality Course”, HCII2018, 20th International Conference on Human-Computer Interaction, LNCS 10901 Springer, pp. 114-125, Las Vegas, Nevada, 15-20 July 2018.
[C120] Liapis A., Katsanos C., Xenos M., “Don’t Leave Me Alone: Retrospective Think Aloud supported by Real-time Monitoring of Participant’s Physiology”, HCII2018, 20th International Conference on Human-Computer Interaction, LNCS 10901 Springer, pp. 148-158, Las Vegas, Nevada, 15-20 July 2018.
[C119] Sideris D., Karakatsoulis D., Kalles D., Xenos M., “Applying a MOOC as a Preparatory Course for First-year Students in Computer Science”, EDULEARN18, 10th annual International Conference on Education and New Learning Technologies, pp. 5806-5811, Palma de Mallorca (Spain), 2-4 July 2018.
[C118] Xenos M., “The Future of Virtual Classroom: Using Existing Features to Move Beyond Traditional Classroom Limitations”, IEEE IMCL2017, International Conference on Interactive Mobile Communication, Technologies and Learning, pp. 944-951, Thessaloniki, Greece, 30 November-1 December 2017.
[C117] Xenos M., “Changing Computer Science Students Writing Culture in Computer Mediated Communication”, 10th annual International Conference of Education, Research and Innovation, pp. 1291-1297, Seville, Spain, 16-18 November 2017.
[C116] Chatzidaki E., Xenos M., Machaira C., “A Natural User Interface Game for the Evaluation of Children with Learning Difficulties”, Proceedings of the 19th ACM International Conference on Multimodal Interaction, Workshop on Child Computer Interaction (WOCCI), pp. 17-22, Glasgow, Scotland, 13-17 November 2017.
[C115] Kazllarof V., Karlos S., Kotsiantis S., Xenos M., “Automated hand gesture recognition exploiting Active Learning methods”, Proceedings of the 21st Panhellenic Conference on Informatics, PCI2017, Larisa, Greece, 28-30 September 2017.
[C114] Xenos M., Maratou V., Ntokas I., Mettouris C., Papadopoulos G., “Game-Based Learning Using a 3D Virtual World in Computer Engineering Education”, Proceedings of the IEEE EDUCON Conference, Athens, Greece, 25-28 April, 2017.
[C113] Chatzidaki E., Xenos M., “A Case Study on Learning Through Natural Ways of Interaction”, Proceedings of the IEEE EDUCON Conference, Athens, Greece, 25-28 April, 2017.
[C112] Xenos M., Maratou V., Stefanov. S., Stefanov E., “Using a 3D Virtual World to Teach Children about Flood and Fire Safety”, Multidisciplinary Academic Conference on Education, Teaching and Learning (MAC-ETL 2016), pp. 46-54, Prague, Czech Republic, 9-10 December, 2016.
[C111] Tsironis A., Katsanos C., Xenos M., “Comparative Usability Evaluation of Three Popular MOOC Platforms”, Proceedings of the IEEE EDUCON 2016, Global Engineering Education Conference, pp. 608-612, Abu Dhabi, UAE, 10-13 April, 2016.
[C110] Tsironis A., Xenos M., “The Implementation of MeaeX the Greek MOOC Platform from Hellenic Open University”, Proceedings of the “WOW! Europe Embraces MOOCs” International Conference, pp. 82-85, Rome, Italy, 30 November, 2015.
[C109] Chatzidaki E., Kozanidis L., Xenos M., Economidou A., Laouris Y., “An Educational Platform for All: The e-Hoop Approach”, Proceedings of the D4 Learning International Conference pp. 224-231, Aalborg, Denmark, 17-20 November, 2015.
[C108] Katsanos C., Tselios N., Karousos N., Xenos M., “Learning Web Form Design by Using the KLM Form Analyzer: A Case Study”, Proceedings of the 19th Panhellenic Conference on Informatics, PCI2015, pp. 44-49, Athens, Greece, October 1-3, 2015.
[C107] Liapis A., Katsanos C., Sotiropoulos D., Xenos M., Karousos N., “Stress Recognition in Human-Computer Interaction Using Physiological and Self-Reported Data: A Study of Gender Differences”, Proceedings of the 19th Panhellenic Conference on Informatics, PCI2015, pp. 323-328, Athens, Greece, October 1-3, 2015.
[C106] Mettouris C., Maratou V., Ntokas I., Xenos M., Papadopoulos G., “Educating People on Real-life Information Security Threats through 3d Virtual World Simulations”, The 6th International Conference on e-Learning (eLearning-2015), Belgrade, Serbia, 24-25 September, 2015.
[C105] Liapis A., Katsanos C., Sotiropoulos D., Xenos M., Karousos N., “Subjective Assessment of Stress in HCI: A Study of the Valence-Arousal Scale using Skin Conductance”, Proceedings of the 11th Biannual Conference on Italian SIGCHI Chapter of ACM, CHITALY 2015, pp. 174-178, Rome, Italy, 28-30 September, 2015.
[C104] Ntokas I., Maratou V., Xenos M., “Usability and Presence Evaluation of a 3D Virtual World Learning Environment Simulating Information Security Threats”, CEEK 2015, 7th Computer Science & Electronic Engineering Conference, Essex, UK, pp. 71-76, September 24-25, 2015.
[C103] Liapis A., Katsanos C., Sotiropoulos D., Xenos M., Karousos N., “Recognizing Emotions in Human Computer Interaction: Studying Stress Using Skin Conductance”, Human-Computer Interaction – INTERACT 2015, Bamberg, Germany, September 14-18, Julio Abascal, et al., eds. pp. 255-262, LNCS, 9296, Springer International Publishing, 2015.
[C102] Sideris D., Tsironis A., Xenos M., “Comparative evaluation of MOOC technologies: The case of Hellenic Open University”, Proceedings of the 7th International Conference on Education and New Learning Technologies, EDULEARN15 Conference, Barcelona, Spain, pp.5543–5552, 6-8 July, 2015.
[C101] Granic A., Maratou V., Mettouris C., Papadopoulos G., Xenos M., “Personalized Context-Aware Recommendations in 3D Virtual Learning Environments”, INTE 2015, International Conference on New Horizons in Education, pp. 149-159, Barcelona, Spain, June 10-12, 2015.
[C100] Mettouris C., Maratou V., Vuckovic D., Papadopoulos G.A., Xenos M., “Information Security Awareness through a Virtual World: An end-user requirements analysis”, 5th International Conference on Information Society and Technology, ICIST2015, pp. 273-278, Kopaonik, Servia, 8-11 March, 2015.
[C099] Maratou V., Xenos M., Granic A., Vuckovic D., Drecun A., “Enhancing Learning on Information Security Using 3D Virtual World Learning Environment”, 5th International Conference on Information Society and Technology, ICIST2015, pp. 279-284, Kopaonik, Servia, 8-11 March, 2015.
[C098] Liapis A., Karousos N., Katsanos C., Xenos M., “Evaluating User’s Emotional Experience in HCI: the PhysiOBS Approach”, Proceedings of the 16th International Conference on Human-Computer Interaction, HCI 2014, Part II, pp. 758-767, Heraklion Greece, 22-27 June, 2014.
[C097] Adamides G., Katsanos C., Christou G., Xenos M., Hadzilacos T., Edan Y., “HRI Interface Usability Evaluation of Camera Placement and View for a Tele-operated Agricultural Sprayer Robot”, International Conference of Agricultural Engineering, AgEng 2014, Zurich, Switzerland, July 6-10, 2014.
[C096] Adamides G., Christou G., Katsanos C., Kostaras N., Xenos M., Hadzilacos T., Edan Y., “A Reality-Based Interaction Interface for an Agricultural Teleoperated Robot Sprayer”, 2nd Second International Conference on Robotics and Associated High-Technologies and Equipment for Agiculture and Forestry, pp. 367-376, Madrid, Spain, May 21-23, 2014.
[C095] Adamides G., Christou G., Katsanos C., Kostaras N., Xenos M., Papadavid G., Hadzilacos T., “User Interface Considerations for Telerobotics: The Case of an Agricultural Robot Sprayer”, 2nd International Conference on Remote Sensing and Geoinformation, Paphos, Cyprus, 7-10 April, 2014.
[C094] Patriarcheas K., Xenos M., “The complexity of text based computer-mediated communication (CMC): It is impossible to create a new view for analysis of asynchronous discussions”, Proceedings of the 6th BCI2013, pp. 1-8, Thessaloniki Greece, 19-21 September, 2013.
[C093] Liapis A., Xenos M., “The physiological Measurements as a Critical Indicator in Users’ Experience Evaluation”, Proceedings of the 17th PCI2013, pp. 258-263, Thessaloniki Greece, 19-21 September, 2013.
[C092] Patriarcheas K., Xenos M., “Student’s participation aspects in asynchronous discussions for distance education”, Proceedings of the 17th PCI2013, pp. 235-242, Thessaloniki Greece, 19-21 September, 2013.
[C091] Katsanos C., Karousos N., Tselios N., Xenos M., Avouris N., “KLM Form Analyzer: Automated Evaluation of Web Form Filling Tasks using Human Performance Models”, INTERACT 2013, pp. 530-537, Cape Town South Africa, 2-6 September, 2013.
[C090] Adamides G., Christou G., Xenos M., Katsanos C., Kostaras N., Hadzilacos T., “Human-Robot Interaction in Agriculture: Usability Evaluation of three Input Devices for Spraying Grape Clusters”, Proceedings of EFITA2013 Sustainable Agriculture through ICT innovation, Torino Italy, June 23-27, 2013.
[C089] Karousos N., Katsanos C., Tselios N., Xenos M., “Effortless Tool-based Evaluation of Web Form Filling Tasks using Keystroke Level Model and Fitts Law”, In CHI ’13 Extended Abstracts on Human Factors in Computing Systems (CHI EA ’13), ACM CHI2013, pp. 1851-1856, Paris France, 27 April – 2 May, 2013.
[C088] Koulocheri E., Xenos M., “Considering Formal Assessment in Learning Analytics within a PLE: The HOU2LEARN Case”, Proceedings of the 3rd ACM Conference on Learning Analytics and Knowledge, LAK2013, pp. 28-32, Leuven, Belgium, 8-12 April, 2013.
[C087] Patriarcheas K., Xenos M., “Fora for Distance Education: Another Way for Analysis of Discussions”, Proceedings of the Second International Conference on Social Eco-Informatics (SOTICS 2012), IARIA Press, ISBN:978-1-61208-228-8, pp.70-75, Venice, Italy, 21-26 October, 2012.
[C086] Patriarcheas K., Xenos M., “Integration of a System for discussions study in Text-Based Computer-Mediated Communication”, Proceedings of the 16th Pan-Hellenic Conference on Informatics, PCI 2012, Piraeus, Greece: IEEE CPS, pp. 381-386, 5-7 October, 2012.
[C085] Koulocheri E., Soumplis A., Xenos M., “Applying Learning Analytics in an Open Personal Learning Environment: A quantitative approach”, Proceedings of the 16th Pan-Hellenic Conference on Informatics, PCI 2012, Piraeus, Greece: IEEE CPS, pp. 290-295, 5-7 October, 2012.
[C084] Katsanos C., Tselios N., Xenos M., “Perceived usability evaluation of learning management systems: a first step towards standardization of the System Usability Scale in Greek”, Proceedings of the 16th Pan-Hellenic Conference on Informatics, PCI 2012, IEEE CPS Piraeus, pp. 302-307, Greece, 5-7 October, 2012.
[C083] Xenos M., Mavroudi A., Karaiskakis D., Birbilis G., Glezos D., Zafeiropoulos D., “The development of an institutional repository service for a large distance education university”, Proceedings of the EADTU 25th Anniversary Conference 2012, The role of open and flexible education in European higher education systems for 2020: new models, new markets, new media, pp. 327-337, Pafos, Cyprus, 27-28 September, 2012.
[C082] Koulocheri E., Chatzidaki E., Soumplis A., Xenos M., “A Usability Evaluation Approach in E-Learning Environments: The Case of IBM Lotus QUICKR”, International Conference The Future of Education, Proceedings Volume II, pp. 48-53, Florence, Italy, 7-8 June, 2012.
[C081] Chatzidaki E., Kostaras N., Xenos M., “Assessment of an Educational Online Virtual Game Environment: The Case of SimSafety”, Proceedings of the 1st European Immersive Education Summit (iED 2011), Published, ISBN: 978-84-89315-66-2, pp.28-38, Universidad Carlos III de Madrid in Leganés, Madrid, Spain, 28-29 November, 2011.
[C080] Papaloukas S., Patriarcheas K., Xenos M., “Games’ Usability and Learning – The Educational Videogame “Be The Manager””, Proceedings of the 5th European Conference on Games Based Learning (ECGBL 2011), Academic Publishing International (API) Press, ISBN: 978-1-908272-18-8, pp.449-456, Athens, Greece, 20-21 October, 2011.
[C079] Karousos N., Papadakis S., Xenos M., Karacapilidis N., Tzagarakis M., “Development of argumentation skills via Learning Management Systems. Bringing Together Argumentation Support Tools and Learning Management Systems”, Proceedings of the International Conference on Knowledge Engineering and Ontology Development (KEOD 2011), SciTePress, ISBN:978-989-8425-80-5, pp. 474-477, Paris, France, Oct 26-29, 2011.
[C078] Patriarcheas K., Papaloukas S., Xenos M., “Analyzing the Fora: An Algorithms Combination for the Representation of Messages”, 15th Panhellenic Conference on Informatics with international participation, PCI 2011, pp. 353-357, Kastoria, Greece, 30 September – 2 October, 2011.
[C077] Soumplis A., Chatzidaki E., Koulocheri E., Xenos M., “Implementing an Open Personal Learning Environment”, 15th Panhellenic Conference on Informatics with international participation, PCI 2011, pp. 345-349, Kastoria, Greece, 30 September – 2 October, 2011.
[C076] Koulocheri E., Soumplis A., Kostaras N., Xenos M., “Usability Inspection of Informal Learning Environments: The HOU2LEARN Case”, Proceedings of the 4th International Conference on Intelligent Interactive Multimedia Systems and Services (IIMSS 2011), In Tsihrintzis G., Virvou M., Jain L., Howlett R., (Eds.), “Intelligent Interactive Multimedia Systems and Services”, Springer, Smart Innovation, Systems and Technologies, Volume 11, 2011, pp. 39-49, Athens, Greece, 20-22 July, 2011.
[C075] Patriarcheas K., Xenos M., “Formal Languages as an Approach to Modelling Distance Education Fora”, 9th International Conference of Numerical Analysis and Applied Mathematics, ICNAAM2011, AIP Press, ISBN: 978-0-7354-0956-9, pp. 817-820, Halkidiki, Greece, 19-25 September 2011.
[C074] Koulocheri E., Soumplis A., Kostaras N., Xenos M., “Usability Inspection Through Heuristic Evaluation in E-Learning Environments: The LAMS Case”, Proceedings of the VII International Conference on ICT in Education, Universidade do Minho, pp.617-630, Braga, Portugal, 12-13 May, 2011.
[C073] Patriarcheas K., Xenos M., “A Comparative Study of Brainstorming and Snowballing Educational Techniques in Asynchronous Distance Education Forum”, Proceedings of the 6th Mediteranian Conference on Information Systems, MCIS 2011, Cyprus, September 3-5, 2011.
[C072] Patriarcheas K., Papaloukas S., Xenos M., “Text Based Computer-mediated Communication: A System for Automated Interpretation of Discussion Threads in Distance Education Fora by Using Formal Languages”, Proceedings of the 2nd International Conference on Intelligent Networking and Collaborative Systems, INCoS 2010, Thessaloniki, Greece, 24-26 November 2010.
[C071] Xenos M., Papaloukas S., Kostaras N., “The Evaluation of an Educational Game (SimSafety) using HOU’s Software Quality Laboratory”, Proceedings of International Conference Social Applications for Lifelong Learning, SALL 2010, ISSN: 1792-586x, pp. 63-67, Patra, Greece, 4-5 November, 2010.
[C070] Patriarcheas K., Xenos M., “Collaborative learning: Reasons that influence the participation of students in distance education fora”, Proceedings of International Conference Social Applications for Lifelong Learning, SALL 2010, ISSN: 1792-586x, pp. 116-123, Patra, Greece, 4-5 November, 2010.
[C069] Karousos N., Papaloukas S., Kostaras N., Xenos M., Tzagarakis M. and Karacapilidis N., “Usability Evaluation of Web-based Collaboration Support Systems: the case of CoPe_it!”, Proceedings of the 3rd World Summit on the Knowledge Society (WSKS 2010), Part I, Corfu, Greece, September 22-24, pp. 248-258, 2010.
[C068] Papaloukas S., Stoli C., Patriarcheas K., Xenos M., “A Survey on How Online Games Usability Affects the Retention of Information”, Proceedings of the 14th Panhellenic Conference on Informatics (PCI 2010), IEEE Press, ISBN: 978-0-7695-4172-3, pp. 209-213, Tripoli, Greece, 10-12 September, 2010.
[C067] Patriarcheas K., Xenos M., “Educational techniques comparative study by using combined environment via computer and mobile devices in asynchronous discussion forum”, 9th IEEE ICMB/GMR 2010, pp.297-304, ISBN:978-0-7695-4084-9, Athens, Greece, 13-15 June, 2010.
[C066] Filippopoulos C., Xenos M., “Development and Evaluation of an Educational Game for Software Projects Management”, (in Greek) Proceedings 3rd Panhellenic Scientific Student Conference on Informatics, pp. 211-220, September 10-12, Corfu, 2009.
[C065] Sioutas S., Oikonomou K., Papaloukopoulos G., Xenos M., Manolopoulos Y., “Building an Efficient P2P Overlay for Energy-Level Queries in Sensor Networks”, ACM MEDES 2009, ACM Conference on Management of Emergent Digital EcoSystems, Lyon, pp. 361-368, France, 27-30 October, 2009.
[C064] Patriarcheas K., Xenos M., “The message content category as analysis unit for discussions study in asynchronous distance education fora”, MCIS2009, 4th Mediterranean Conference on Information Systems, Athens, 25-27 September, 2009.
[C063] Patriarcheas K., Papaloukas S., Xenos M., “Suitable asynchronous distance education fora size for working groups in informatics teachers training”, BCI’09, ΙΕΕΕ 4th Balkan Conference in Informatics, pp. 157-162, Thessaloniki, Greece, 17-19 September, 2009.
[C062] Kostaras N., Xenos M., “Assessing the Usability of Augmented Reality Systems”, PCI 2009, 13th Panhellenic Conference on Informatics, Local Proceedings, pp. 197-203, Corfu, Greece, 10-12 September, 2009.
[C061] Papaloukas S., Patriarcheas K., Xenos M., “Usability Assessment Heuristics in New Genre Videogames”, Proceedings of the 13th Panhellenic Conference on Informatics (PCI 2009), IEEE Press, ISBN: 978-0-7695-3788-7, pp. 202-206, Corfu, Greece, 10 – 12 September, 2009.
[C060] Patriarcheas K., Xenos M., “Asynchronous distance education forum – Brainstorming vs. Snowballing: a case study for teaching in programming didactics”, International Conference on Web-based Learning (ICWL), pp. 322-331, RWTH Aachen University, Aachen, Germany, 19-21 August, 2009.
[C059] Pierrakeas C., Papadakis S., Xenos M., “Assisting Tutors at the Hellenic Open University in the processes of designing, planning, managing and reusing Learning Activities”, In L. Cameron and J. Dalziel (Ed.) Proceedings of the 2009 European LAMS & Learning Design Conference, pp. 87-92, Open University, UK, 6 – 9 July, 2009.
[C058] Xenos M., Papaloukas S., Kostaras N., “Games’ Usability and Learning – The Civilization IV Paradigm”, IADIS GET2009, Game and Entertainment Technologies 2009, pp. 3-10, Algarve, Portugal, 17 – 19 June, 2009.
[C057] Karapiperis C., Papaloukas S., Xenos M., “A Survey on Usability and Educational Value of Collaborative Network Games”, (in Greek) Proceedings 2nd Panhellenic Scientific Student Conference on Informatics, Related Technologies and Applications, pp. 200-212, August 29, Samos, 2008.
[C056] Papadopoulos T., Xenos M., “Quality Evaluation of Educational Websites Using Heuristic and Laboratory Methods”, Proceedings 2nd Panhellenic Scientific Student Conference on Informatics, Related Technologies and Applications, pp. 43-54, August 29, Samos, 2008.
[C055] Chrysochos E., Fotopoulos V., Xenos M., Stork M., Skodras A. N., Hrusak J., “Chaotic-Correlation Based Watermarking scheme for Still Images”, IEEE International Conference: Applied Electronics 2008, Pilsen, Czech Republic, September 10-11, 2008.
[C054] Kostaras N., Xenos M., Koutsogiannis C., “Usability evaluation of software applications with the use of Usability Logger”, 8th Joint Conference on Knowledge-Based Software Engineering, JCKBSE 08, pp. 395-404, Piraeus, Greece, August 25-28, 2008.
[C053] Stavrinoudis D., Xenos M., “Comparing internal and external software quality measurements”, 8th Joint Conference on Knowledge-Based Software Engineering, JCKBSE 08, pp. 115-124, Piraeus, Greece, August 25-28, 2008.
[C052] Patriarcheas K., Xenos M., “The asynchronous distance education by means of Internet: factors that influence its effectiveness. The case of Hellenic Open University”, 12th Pan-Hellenic Conference on Informatics, PCI2008, pp. 204-210, Samos, Greece, August 28-30, 2008.
[C051] Xenos M., “Users’ Impressionism and Software Quality”, IADIS International Conference: IHCI Interfaces and Human Computer Interaction, Amsterdam, 25-27 July, pp. 11-17, 2008.
[C050] Kalles D., Pierrakeas C., Xenos M., “Intelligently Raising Academic Performance Alerts”, 1st International Workshop on Combinations of Intelligent Methods and Applications (CIMA 2008), in conjunction with the 18th European Conference on Artificial Intelligence, Patras, Greece, July 21-22, pp. 37-42, 2008.
[C049] Papaloukas S., Xenos M., “Usability and Education of Games through Combined Assessment Methods”, Workshop on “Gaming Design and Experience: Design for Engaging Experience and Social Interaction”, under the 1st ACM International Conference on PErvasive Technologies Related to Assistive Environments, PETRA-2008, Athens, Greece, July 15-19, 2008.
[C048] Stefani A., Xenos M., “Meta-metric Evaluation of E-Commerce-related Metrics”, 2nd International Workshop on Software Quality and Maintainability, under the 12th European Conference on Software Maintenance and Reengineering (CSMR 2008) Athens, Greece, April 1-4, 2008.
[C047*] Garofalakis J., Stefani A., Stefanis V., Xenos M., “Quality Attributes of Consumer-based M-Commerce Systems”, IEEE International Conference on E-Business and Telecommunication Networks, ICETE, ICE-B, Barcelona, 28-31 July, pp. 130-136, 2007.
[C046] Stavrinoudis D., Xenos M., “The Influence of Aesthetics and Content Structuring to E-Learning Systems’ Users Behavior”, 11th Panhellenic Conference on Informatics with international participation, Special session on “Technological and Sociological Effects in the Use of e-Applications”, Vol. B, pp. 551-558, Patras, Greece, 18-20 May, 2007.
[C045] Kostaras N., Xenos M., “Assessing Educational Web-site Usability using Heuristic Evaluation Rules”, 11th Panhellenic Conference on Informatics with international participation, Special session on “Technological and Sociological Effects in the Use of e-Applications”, Vol. B, pp. 543-550, Patras, Greece, 18-20 May, 2007.
[C044] Chrysochos E., Fotopoulos V., Skodras A., Xenos M., “Reversible Image Watermarking Based on Histogram Modification”, 11th Panhellenic Conference on Informatics with international participation (PCI 2007), Vol. B, pp. 93-104, Patras, Greece, 18-20 May 2007.
[C043] Stefani A., Kalles D., Xenos M., “Evaluating E-Commerce Sites with AI Tools: a modelling approach”, 11th Panhellenic Conference on Informatics with international participation (PCI 2007), Vol. A, pp. 331-340, , Patras, Greece, 18-20 May, 2007.
[C042] Xenos M., Tsiatsos T., Vassiliadis B., “Large Scale Deployment of Distance Education in Computer Science at the Hellenic Open University”, 2nd International ELeGI Conference on Advanced Technology for Enhanced Learning, Barcelona, Spain, 24 October, 2006.
[C041*] Hadzilacos T., Kalles D., Pierrakeas C., Xenos M., “On Small Data Sets revealing Big Differences”, Proceedings of the 4th Hellenic Conference on Artificial Intelligence (SETN’06), Heraklion, Greece, pp. 512-515, 18-20 May, 2006.
[C040] Drossos L., Vassiliadis B., Sakkopoulos E., Votis K., Stefani A., Tsakalidis A., Xenos M., Likothanassis S., “On the Personalization of an E-learning Environment in Higher Education using Graphs”, Proceedings of the 10th Panhellenic Conference in Informatics, PCI2005, 11-13 November, Volos, Greece, pp. 270-279, 2005.
[C039] Xenos M., Vassiliadis B., “Learning Modern and Ancient Greek from Distance: The EAGLE Project on the World Wide Web”, (in Greek), 3rd International Conference on Open and Distance Learning ‘Applications of Pedagogy and Technology’, Vol. B, pp. 97-107, Patra, Greece, 11 – 13 November, 2005.
[C038] Xenos M., Avouris N., Stavrinoudis D., Margaritis M., “Experiences from Distant Collaboration Experiments on Programming Techniques”, (in Greek), 3rd International Conference on Open and Distance Learning ‘Applications of Pedagogy and Technology’, Vol. A, pp. 545-559, Patra, Greece, 11 – 13 November, 2005.
[C037] Stefani A., Stavrinoudis D., Xenos M., “In-Depth Analysis of Selected Topics Related to the Quality Assessment of E-Commerce Systems”, Proceedings of the 2nd IEEE International Conference on E-Business and Telecommunication Networks, ICETE-2005, Reading UK, Vol. 1, pp. 122-128, October 3-7, 2005.
[C036] Stefani A., Vassiliadis B., Xenos M., “Behavioral patterns in hypermedia systems: a short study of e-commerce vs. e-learning practices”, ACM Conference on Hypertext & Hypermedia, Salzburg, Austria, September 6-9, pp. 57-64, 2005.
[C035] Xenos M., Vassiliadis B., Skodras A., “GRID Technologies => ‘Education’ = ‘Distance Education’”, Proceedings of the 1st International ELeGI Conference on Advanced Technology for Enhanced Learning, Vico Equense – Napoli, Italy, March 14-16, 2005.
[C034*] Hadzilacos T., Xenos M., “Overview & Classification of Web-Based Education (Systems, Tools & Practices)”, Proceedings of the 4th IASTED International Conference on Web-Based Education, WBE 2005, Grindelwald, Switzerland, pp. 550-555, February 21-23, 2005.
[C033] Xenos M., Avouris N., Komis V., Stavrinoudis D., Margaritis M., “Applying Synchronous Collaboration Methods in Distance on the Hellenic Open University”, (in Greek) In the Workshop “Design and Assessment Issues on Collaborative Learning”, on the framework of 4th National Conference “Technologies for Information Communication and Education”, Athens, September, 2004.
[C032] Stefani A., Stavrinoudis D., Xenos M., “Experimental Based Tool Calibration used for Assessing the Quality of E-Commerce Systems”, Proceedings of the 1st IEEE International Conference on E-Business and Telecommunication Networks, ICETE-2004, Portugal, Volume 1, pp. 26-32, August 2004.
[C031] Xenos M., Avouris N., Komis V., Stavrinoudis D., Margaritis M., “Synchronous collaboration in distance education: a case study in a Computer Science course”, Proceedings of the 4th IEEE International Conference on Advance Learning Technologies, Joensuu, Finland, August 30 – September 2, pp. 500-504, 2004.
[C030] Kapogiannis G., Stefani A., Xenos M., Mixanetzis K. “A Survey on the Business Goals, the Investment on Technology and the Return of Investment on Greek E-commerce Systems”, Proceedings of the EURO 20th European Conference on Operational Research, Rhodes, July 4-7, 2004.
[C029] Vassiliadis B., Fotopoulos V., Xenos M. and Skodras A., “Could Grid Facilitate Demanding Media Watermarking Applications?”, Proceedings of the 4th International LeGE-WG Workshop: Towards a European Learning Grid Infrastructure – formulating the requirements of a European GRID for eLearning, Stuttgart, Germany, April 27-28, 2004.
[C028] Pierrakeas C., Xenos M., Hadzilacos T., “Behavioral Patterns regarding the Study Rate in an Open University: The Computer Science Course in the Hellenic Open University”, (in Greek) Proceedings of the 2nd Panhellenic Conference for Open and Distance Learning, pp. 318-329, Patra, Greece, 2003.
[C027] Xenos M., “An Attempt to Model Students’ Behavior on a Computer Science Course, using Bayesian Networks”, (in Greek) Proceedings of the 2nd Panhellenic Conference for Open and Distance Learning, pp. 318-329, Patra, Greece, 2003.
[C026*] Hadzilacos T., Kalles D., Papadakis S., Xenos M., “Productionizing of Streaming Educational Material”, Proceedings of the ICL International Workshop, Villach, Austria, September 24-26, 2003.
[C025] Xenos M. and Skodras A., “Evolving from a Traditional Distance Learning Model to e-Learning”, Proceedings of the 1st International LeGE-WG Workshop: Towards a European Learning Grid Infrastructure – formulating the requirements of a European GRID for eLearning, Paris, France, December 3-4, 2003.
[C024] Stefani A., Xenos M., “Greek vs. International E-commerce Systems: An Evaluation based on User-centered Characteristics”, Proceedings of the 9th Panhellenic Conference in Informatics with international participation, PCI2003, Thessaloniki, Greece, November 21-23, pp. 70-79, 2003.
[C023] Panagiotakopoulos C., Lionarakis A., Xenos M., “Open and Distance Learning: tools of information and communication technologies for effective learning”, Proceedings of the 6th Hellenic European Research on Computer Mathematics and its Applications Conference, HERCMA2003, Athens, Greece, 2003.
[C022] Stefani A., Xenos M., Stavrinoudis D., “Modeling E-Commerce Systems’ Quality with Belief Networks”, Proceedings of the IEEE International Conference on Virtual Environments, Human-Computer Interfaces and Measurement Systems, VECIMS, Lugano, July 27-29, ISSN:0-7803-7785-0/03, pp.13-18, 2003.
[C021] Kostopoulos H., Kandiliotis S., Kostopoulos I., Xenos M., “A Digital Image Watermarking Technique using Modulated Pascal Triangles”, Proceedings of the IASTED International Conference Signal Processing, Pattern Recognition & Applications, pp.82-86, Rhodes, Greece, June 30-July 2, 2003.
[C020] Pierrakeas C., Xenos M., Pintelas P., “Assessing the Quality of the Educational Material and the Tutors Performance: Students’ Opinions and Points for Improvement”, (in Greek) Proceedings of the 1st Panhellenic Conference for Open and Distance Learning, pp. 89-105, Patra, Greece, 2001.
[C019] Xenos M., Pierrakeas C., Pintelas P., “Locating Student Groups with High Dropout Probability: Experiences and Particularities in a Computer Science Course”, (in Greek) Proceedings of the 1st Panhellenic Conference for Open and Distance Learning, pp. 89-105, Patra, Greece, 2001
[C018] Stefani A. and Xenos M., “A Model for Assessing the Quality of E-Commerce Systems”, Proceedings of the PC-HCI 2001 Conference on Human Computer Interaction, Patras, Greece, December 7-9, pp. 105-109, 2001.
[C017*] Armeni S., Christodoulakis D., Kostopoulos I., Stamatiou Y., Xenos M., “Proving Copyright Ownership using Hard Instances on Computationally Intractable Problems”, Proceedings of the 8th Panhellenic Conference on Informatics with international participation, Nicosia, Cyprus, November 8-10, Vol. 2, pp. 137-145, 2001.
[C016] Xenos M., “Usability Perspective in Software Quality”, Usability Engineering Workshop, Proceedings of the 8th Panhellenic Conference on Informatics with international participation, Vol. 2, pp. 523-529, Nicosia, Cyprus, November 8-10, 2001.
[C015] Xenos M., “Addressing Quality Issues: Theory and Practice – A Case Study on a Typical Software Project”, Proceedings of the SCI2001, 5th World Multi-Conference on Systemics, Cybernetics and Informatics, Orlando, Florida USA, July 22-25, Vol. I, pp. 556-560, 2001.
[C014] Xenos M., Stavrinoudis D., Zikouli K. and Christodoulakis D., “Object-Oriented Metrics – A Survey”, Proceedings of the FESMA 2000, Federation of European Software Measurement Associations, Madrid, Spain, October 18-20, 2000.
[C013*] Armeni S., Christodoulakis D., Kostopoulos I., Stamatiou Y., Xenos M., “A Transparent Watermarking Method for Color Images”, Proceedings of the IEEE first Balkan Conference on Signal Processing, Communications, Circuits and Systems, Istanbul, Turkey, June 1-3, 2000.
[C012] Stavrinoudis D., Xenos M., Peppas P. and Christodoulakis D., “Modelling revisions of users’ perception of software quality”, Proceedings of the 2WCSQ, the second World Congress on Software Quality, Yokohama, September 25-29, pp. 737-742, 2000.
[C011] Xenos M., Stavrinoudis D. and Christodoulakis D., “CESM: a Perceived Software Quality Assessment Tool”, Proceedings of the 4th International Conference on Software Process Improvement – Research into Education and training, INSPIRE ’99, Heraklion, Crete, Greece, pp. 155-164, 1999.
[C010] Stavrinoudis D., Xenos M. and Christodoulakis D., “Relation between Software Metrics and Maintainability”, Proceedings of the FESMA99 International Conference, Federation of European Software Measurement Associations, Amsterdam, The Netherlands, October 8-10, pp. 465-476, 1999.
[C009] Xenos M., “Lessons Learned on Measuring Perceived Software Quality”, Proceedings of the FESMA99 International Conference, Federation of European Software Measurement Associations, Amsterdam, The Netherlands, October 8-10, pp. 349-356, 1999.
[C008] Stavrinoudis D., Xenos M., Peppas P. and Christodoulakis D., “Measuring User’s Perception and Opinion of Software Quality”, Proceedings of the 6th European Conference on Software Quality, Sponsored by European Organisation for Quality – Software Committee (EOQ-SC), Vienna, August 17-18, pp. 229-237, 1998.
[C007] Xenos M., Thanos P. and Christodoulakis D., “QSUP: A Supporting Environment for Preserving Quality Standards”, Proceedings of the 6th International Conference on Software Quality. Dundee Scotland, pp. 146-154, July 9-10, 1996.
[C006] Xenos M., Stavrinoudis D. and Christodoulakis D., “The Correlation Between Developer-oriented and User-oriented Software Quality Measurements (A Case Study)”, Proceedings of the 5th European Conference on Software Quality, Sponsored by European Organisation for Quality – Software Committee (EOQ-SC), Dublin Ireland, September 16-20, pp. 267-275, 1996.
[C005] Xenos M., Christodoulakis D. and Dilidas G., “Towards a High Quality Computer-Based Patient Record”, Proceedings of the AMICE’95: Strategic Alliances between Patient Documentation and Medical Informatics International Conference, Sponsored by European federation for Medical Informatics (EFMI), Amsterdam Netherlands, November 26-29, 1995.
[C004] Xenos M. and Christodoulakis D., “Evaluating Software Quality by the Use of User Satisfaction Measurements”, Proceedings of the 4th Software Quality Conference, Sponsored by SET (Scottish Enterprise Tayside), University of Abertay Dundee, July 4-5, pp. 181-188, 1995.
[C003] Xenos M. and Christodoulakis D., “Software Quality: The User’s Point of View”, Proceedings of the International Conference on Software Quality and Productivity, Sponsored by IFIP, Hong-Kong, December 4-6, Vol. 3, pp. 481-487, 1994.
[C002] Xenos M. and Christodoulakis D., “An Applicable Methodology to Automate Software Quality Measurements”, Proceedings of the IEEE Software Testing and Quality Assurance International Conference, New Delhi India, IEEE Catalogue Number 94TH8063, Paper 0-7803-2608-3, pp. 121-125, 1994.
[C001] Xenos M., Tsalidis C. and Christodoulakis D., “Measuring Software Complexity Using Software Metrics”, Proceedings of the 3rd European Conference on Software Quality, Sponsored by EOQ (European Organisation for Quality), Madrid Spain, November 3-6, pp. 223-234, 1992.

* means that equal authorship is implied