%0 Journal Article %J Journal of Educational Technology & Society %D 2015 %T Characterization of Educational Resources in e-Learning Systems Using an Educational Metadata Profile %A Solomou, Georgia %A Christos J. Pierrakeas %A Kameas, Achilles %B Journal of Educational Technology & Society %I International Forum of Educational Technology & Society %V 18 %P 246–260 %G eng %0 Conference Proceedings %B 7th Αnnual International Conference on Education and New Learning Technologies %D 2015 %T DESIGN AND DEVELOPMENT OF A WEB-BASED TOOL FOR SUPPORTING EDUCATORS DURING AN INSTRUCTIONAL DESIGN PROCESS BASED ON LEARNING OBJECTS %A Spyropoulou, Natalia %A Christos J. Pierrakeas %A Kameas, Achilles %B 7th Αnnual International Conference on Education and New Learning Technologies %G eng %0 Journal Article %J Procedia Computer Science %D 2015 %T Developing a Computer Programming MOOC %A Spyropoulou, Natalia %A Demopoulou, Gerasimoula %A Christos J. Pierrakeas %A Koutsonikos, Ioannis %A Kameas, Achilles %B Procedia Computer Science %I Elsevier %V 65 %P 182–191 %G eng %0 Conference Proceedings %B 7th annual International Conference on Education and New Learning Technologies %D 2015 %T Exploiting Concept Map Mining Process for e- Content Development %A Panopoulou, Chara %A Spyropoulou, Natalia %A Christos J. Pierrakeas %A Kameas, Achilles %B 7th annual International Conference on Education and New Learning Technologies %G eng %0 Conference Proceedings %B 11th International Conference Applied Computing %D 2015 %T THE EXTENTED CORRELLATION VERB ONTOLOGY: A NEW APPROACH FOR OBJECT PROPERTIES SPECIFICATION WITHIN DOMAIN KNOWLEDGE REPRESENTATION %A Panopoulou, Chara %A Christos J. Pierrakeas %A Kameas, Achilles %B 11th International Conference Applied Computing %G eng %0 Journal Article %J Journal of Educational Technology & Society %D 2015 %T International Forum of Educational Technology & Society %A Solomou, Georgia %A Christos J. Pierrakeas %A Kameas, Achilles %B Journal of Educational Technology & Society %V 18 %P 246–260 %G eng %0 Conference Paper %B Interactive Mobile Communication Technologies and Learning (IMCL), 2014 International Conference on %D 2014 %T Clarifying the digital content output formats for mobile learning in higher education %A Spyropoulou, Natalia %A Karathanasis, Ioannis %A Christos J. Pierrakeas %A Kameas, Achilles %B Interactive Mobile Communication Technologies and Learning (IMCL), 2014 International Conference on %I IEEE %P 139–146 %G eng %0 Journal Article %J EDULEARN14 Proceedings %D 2014 %T CREATING MOOC GUIDELINES BASED ON BEST PRACTICES %A Spyropoulou, Natalia %A Christos J. Pierrakeas %A Kameas, Achilles %B EDULEARN14 Proceedings %I IATED %P 6981–6990 %G eng %0 Conference Paper %D 2014 %T Ontological Modelling for Intelligent e-Learning %A Aggelopoulou, Niki %A Christos J. Pierrakeas %A Artikis, Alexander %A Kalles, Dimitris %G eng %0 Conference Paper %B Proceedings of the 6th Balkan Conference in Informatics %D 2013 %T A correlation verb (CorrVerb) ontology for object properties specification within knowledge domain representations %A Christos J. Pierrakeas %A Panagiotopoulos, Ioannis %A Kameas, Achilles %B Proceedings of the 6th Balkan Conference in Informatics %I ACM %P 195–200 %G eng %0 Conference Paper %B MTSR %D 2012 %T Creating a LO Metadata Profile for Distance Learning: An Ontological Approach. %A Nikolopoulos, George %A Kalou, Aikaterini K %A Christos J. Pierrakeas %A Kameas, Achilles %B MTSR %P 37–48 %G eng %0 Conference Paper %D 2012 %T Experience from designing and applying collaborative learning services in distance adult education %A Spanaka, Adamantia %A Christos J. Pierrakeas %A Kameas, Achilles %G eng %0 Conference Paper %B Proceedings of the Fifth Balkan Conference in Informatics %D 2012 %T Modeling the characteristics of a learning object for use within e-learning applications %A Nikolopoulos, George %A Solomou, Georgia %A Christos J. Pierrakeas %A Kameas, Achilles %B Proceedings of the Fifth Balkan Conference in Informatics %I ACM %P 112–117 %G eng %0 Book Section %B Advances in Web-Based Learning-ICWL 2012 %D 2012 %T Modeling the knowledge domain of the java programming language as an ontology %A Kouneli, Aggeliki %A Solomou, Georgia %A Christos J. Pierrakeas %A Kameas, Achilles %B Advances in Web-Based Learning-ICWL 2012 %I Springer %P 152–159 %G eng %0 Book Section %B Artificial Intelligence Applications and Innovations %D 2012 %T An Ontological Approach for Domain Knowledge Modeling and Management in E-Learning Systems %A Panagiotopoulos, Ioannis %A Kalou, Aikaterini %A Christos J. Pierrakeas %A Kameas, Achilles %B Artificial Intelligence Applications and Innovations %I Springer %P 95–104 %G eng %0 Journal Article %D 2012 %T An Ontological Approach in Learning Programming Languages %A Christos J. Pierrakeas %A Solomou, Georgia %A Kameas, Achilles %G eng %0 Conference Paper %B Advanced Learning Technologies (ICALT), 2012 IEEE 12th International Conference on %D 2012 %T An Ontology Model for Building, Classifying and Using Learning Outcomes %A Kalou, Aikaterini %A Solomou, Georgia %A Christos J. Pierrakeas %A Kameas, Achilles %B Advanced Learning Technologies (ICALT), 2012 IEEE 12th International Conference on %I IEEE %P 61–65 %G eng %0 Conference Paper %B Informatics (PCI), 2012 16th Panhellenic Conference on %D 2012 %T An Ontology-Based Approach in Learning Programming Languages %A Christos J. Pierrakeas %A Solomou, Georgia %A Kameas, Achilles %B Informatics (PCI), 2012 16th Panhellenic Conference on %I IEEE %P 393–398 %G eng %0 Book Section %B Artificial Intelligence Applications and Innovations %D 2012 %T An Ontology-Based Model for Student Representation in Intelligent Tutoring Systems for Distance Learning %A Panagiotopoulos, Ioannis %A Kalou, Aikaterini %A Christos J. Pierrakeas %A Kameas, Achilles %B Artificial Intelligence Applications and Innovations %I Springer Berlin Heidelberg %P 296–305 %G eng %0 Journal Article %J Proceedings of the 2009 European LAMS & Learning Design Conference %D 2009 %T Assisting tutors at the Hellenic Open University in the processes of designing, planning, managing and reusing learning activities %A Christos J. Pierrakeas %A Papadakis, Spyros %A Xenos, Michalis %B Proceedings of the 2009 European LAMS & Learning Design Conference %G eng %0 Journal Article %J Journal of Medical Psychology %D 2009 %T Culture specific stress coping strategies used to alleviate occupational stress among Greek nursing personnel %A Theodoratou, Maria %A Andreopoulou, Ourania %A Bekos, Vassilis %A Christos J. Pierrakeas %A Skiadopoulos, Spyros %B Journal of Medical Psychology %I Renaissance Medical Publishing %V 1 %P 21 %G eng %0 Book Section %B Intelligent Interactive Systems in Knowledge-Based Environments %D 2008 %T On Developing and Communicating User Models for Distance Learning Based on Assignment and Exam Data %A Hadzilacos, Thanasis %A Kalles, Dimitris %A Christos J. Pierrakeas %B Intelligent Interactive Systems in Knowledge-Based Environments %I Springer %P 137–155 %G eng %0 Journal Article %J 1st International Workshop on Combinations of Intelligent Methods and Applications (CIMA), 18th European Conference on Artificial Intelligence, Patras, Greece %D 2008 %T Intelligently Raising Academic Performance Alerts %A Kalles, Dimitris %A Christos J. Pierrakeas %A Xenos, Michalis %B 1st International Workshop on Combinations of Intelligent Methods and Applications (CIMA), 18th European Conference on Artificial Intelligence, Patras, Greece %P 37–42 %G eng %0 Conference Paper %D 2008 %T Managing Large Scale Development of Educational Software %A Christos J. Pierrakeas %G eng %0 Journal Article %J HELLENIC OPEN UNIVERSITY JOURNAL OF INFORMATICS %D 2007 %T 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) %A Stamatiou, Yiannis %A Christos J. Pierrakeas %A Xenos, Michalis %B HELLENIC OPEN UNIVERSITY JOURNAL OF INFORMATICS %V 1 %G eng %0 Book Section %B World Congress on Medical Physics and Biomedical Engineering 2006 %D 2007 %T Telemedicine applications of speech pathology based on online collaboration environments %A Christos J. Pierrakeas %A Georgopoulos, VC %A Malandraki, GA %B World Congress on Medical Physics and Biomedical Engineering 2006 %I Springer %P 350–353 %G eng %0 Journal Article %J Applied Artificial Intelligence %D 2006 %T Analyzing student performance in distance learning with genetic algorithms and decision trees %A Kalles, Dimitris %A Christos J. Pierrakeas %B Applied Artificial Intelligence %I Taylor & Francis %V 20 %P 655–674 %G eng %0 Book Section %B Advances in Artificial Intelligence %D 2006 %T On small data sets revealing big differences %A Hadzilacos, Thanasis %A Kalles, Dimitris %A Christos J. Pierrakeas %A Xenos, Michalis %B Advances in Artificial Intelligence %I Springer %P 512–515 %G eng %0 Journal Article %J European journal of internal medicine %D 2006 %T Snake venom poisoning in Greece. Experiences with 147 cases %A Frangides, Christos Y %A Koulouras, Vasilios %A Kouni, Sophia N %A Tzortzatos, Gerasimos V %A Nikolaou, Athanasios %A Pneumaticos, John %A Christos J. Pierrakeas %A Niarchos, Constantinos %A Kounis, Nicholas G %A Koutsojannis, Constantinos M %B European journal of internal medicine %I Elsevier %V 17 %P 24–27 %G eng %0 Book Section %B Artificial Intelligence Applications and Innovations %D 2006 %T Using genetic algorithms and decision trees for a posteriori analysis and evaluation of tutoring practices based on student failure models %A Kalles, Dimitris %A Christos J. Pierrakeas %B Artificial Intelligence Applications and Innovations %I Springer %P 9–18 %G eng %0 Journal Article %J Education, Communication & Information %D 2004 %T Assessing the quality of web sites used in higher open distance education courses %A Xenos, Michalis %A Dermitzioti, Evgenia %A Christos J. Pierrakeas %B Education, Communication & Information %I Taylor & Francis %V 4 %P 237–253 %G eng %0 Journal Article %J The International Review of Research in Open and Distributed Learning %D 2004 %T A comparative study of dropout rates and causes for two different distance education courses %A Christos J. Pierrakeas %A Xeno, Michalis %A Panagiotakopoulos, Christos %A Vergidis, Dimitris %B The International Review of Research in Open and Distributed Learning %V 5 %G eng %0 Journal Article %J Applied Artificial Intelligence %D 2004 %T PREDICTING STUDENTS'PERFORMANCE IN DISTANCE LEARNING USING MACHINE LEARNING TECHNIQUES %A Kotsiantis, S %A Christos J. Pierrakeas %A Pintelas, P %B Applied Artificial Intelligence %I Taylor & Francis %V 18 %P 411–426 %G eng %0 Journal Article %J Studies in Educational Evaluation %D 2003 %T Evaluating and improving educational material and tutoring aspects of distance learning systems %A Christos J. Pierrakeas %A Xenos, Michalis %A Pintelas, Panayiotis %B Studies in Educational Evaluation %I Pergamon %V 29 %P 335–349 %G eng %0 Journal Article %J Computers & Education %D 2002 %T A survey on student dropout rates and dropout causes concerning the students in the Course of Informatics of the Hellenic Open University %A Xenos, Michalis %A Christos J. Pierrakeas %A Pintelas, Panagiotis %B Computers & Education %I Elsevier %V 39 %P 361–377 %G eng