Publications
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“Assisting Tutors At The Hellenic Open University In The Processes Of Designing, Planning, Managing And Reusing Learning Activities”. Proceedings of the 2009 European LAMS & Learning Design Conference.
. 2009. “Culture Specific Stress Coping Strategies Used To Alleviate Occupational Stress Among Greek Nursing Personnel”. Journal of Medical Psychology 1: 21.
. 2009. “On Developing And Communicating User Models For Distance Learning Based On Assignment And Exam Data”. In Intelligent Interactive Systems in Knowledge-Based Environments, Intelligent Interactive Systems in Knowledge-Based Environments, Springer, 137–155.
. 2008. . 2008.
“Intelligently Raising Academic Performance Alerts”. 1st International Workshop on Combinations of Intelligent Methods and Applications (CIMA), 18th European Conference on Artificial Intelligence, Patras, Greece: 37–42.
. 2008. “Cryptographically Secured Communication Between Tutors Of The Computer Science Course Of The Hellenic Open University: Experiences From The Introductory Module ‘Introduction To Computer Science’(In Greek)”. HELLENIC OPEN UNIVERSITY JOURNAL OF INFORMATICS 1.
. 2007. “Telemedicine Applications Of Speech Pathology Based On Online Collaboration Environments”. In World Congress on Medical Physics and Biomedical Engineering 2006, World Congress on Medical Physics and Biomedical Engineering 2006, Springer, 350–353.
. 2007. “Analyzing Student Performance In Distance Learning With Genetic Algorithms And Decision Trees”. Applied Artificial Intelligence 20: 655–674.
. 2006. “Approximating Almost All Instances Of Max-Cut Within A Ratio Above The Hastad Threshold”. In Algorithms–ESA 2006, Algorithms–ESA 2006, Springer Berlin Heidelberg, 432–443.
. 2006. “Online Collaboration Environments In Telemedicine Applications Of Speech Therapy”. In Engineering in Medicine and Biology Society, 2005. IEEE-EMBS 2005. 27th Annual International Conference of the, Engineering in Medicine and Biology Society, 2005. IEEE-EMBS 2005. 27th Annual International Conference of the, IEEE, 2183–2186.
. 2006. “On Small Data Sets Revealing Big Differences”. In Advances in Artificial Intelligence, Advances in Artificial Intelligence, Springer, 512–515.
. 2006. “Snake Venom Poisoning In Greece. Experiences With 147 Cases”. European journal of internal medicine 17: 24–27.
. 2006. “Using Genetic Algorithms And Decision Trees For A Posteriori Analysis And Evaluation Of Tutoring Practices Based On Student Failure Models”. In Artificial Intelligence Applications and Innovations, Artificial Intelligence Applications and Innovations, Springer, 9–18.
. 2006. “An Efficient Algorithm For The Transversal Hypergraph Generation.”. J. Graph Algorithms Appl. 9: 239–264.
. 2005. “Validating And Norming Of The Greek Sf-36 Health Survey”. Quality of Life Research 14: 1433–1438.
. 2005. “Assessing The Quality Of Web Sites Used In Higher Open Distance Education Courses”. Education, Communication & Information 4: 237–253.
. 2004. “A Comparative Study Of Dropout Rates And Causes For Two Different Distance Education Courses”. The International Review of Research in Open and Distributed Learning 5.
. 2004. “Pass: An Expert System With Certainty Factors For Predicting Student Success”. In Knowledge-Based Intelligent Information and Engineering Systems, Knowledge-Based Intelligent Information and Engineering Systems, Springer, 292–298.
. 2004. “Predicting Students'performance In Distance Learning Using Machine Learning Techniques”. Applied Artificial Intelligence 18: 411–426.
. 2004. “Evaluating And Improving Educational Material And Tutoring Aspects Of Distance Learning Systems”. Studies in Educational Evaluation 29: 335–349.
. 2003. “Monotone Boolean Dualization Is In Co-Np [Log 2 N]”. Information Processing Letters 85: 1–6.
. 2003.