If you need any of these articles that is not available here, please contact me: xenos at ceid dot upatras dot gr.

Visit the Software Quality and Human-Computer Interaction Laboratory at CEID for more about our research and for potential partnerships.

Publications
Journals

[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.