@article {solomou2015characterization,
	title = {Characterization of Educational Resources in e-Learning Systems Using an Educational Metadata Profile},
	journal = {Journal of Educational Technology \& Society},
	volume = {18},
	number = {4},
	year = {2015},
	pages = {246{\textendash}260},
	publisher = {International Forum of Educational Technology \& Society},
	author = {Solomou, Georgia and Christos J. Pierrakeas and Kameas, Achilles}
}
@article {solomou2015international,
	title = {International Forum of Educational Technology \& Society},
	journal = {Journal of Educational Technology \& Society},
	volume = {18},
	number = {4},
	year = {2015},
	pages = {246{\textendash}260},
	author = {Solomou, Georgia and Christos J. Pierrakeas and Kameas, Achilles}
}
@conference {nikolopoulos2012modeling,
	title = {Modeling the characteristics of a learning object for use within e-learning applications},
	booktitle = {Proceedings of the Fifth Balkan Conference in Informatics},
	year = {2012},
	pages = {112{\textendash}117},
	publisher = {ACM},
	organization = {ACM},
	author = {Nikolopoulos, George and Solomou, Georgia and Christos J. Pierrakeas and Kameas, Achilles}
}
@inbook {kouneli2012modeling,
	title = {Modeling the knowledge domain of the java programming language as an ontology},
	booktitle = {Advances in Web-Based Learning-ICWL 2012},
	year = {2012},
	pages = {152{\textendash}159},
	publisher = {Springer},
	organization = {Springer},
	author = {Kouneli, Aggeliki and Solomou, Georgia and Christos J. Pierrakeas and Kameas, Achilles}
}
@article {pierrakeas2012ontological,
	title = {An Ontological Approach in Learning Programming Languages},
	year = {2012},
	author = {Christos J. Pierrakeas and Solomou, Georgia and Kameas, Achilles}
}
@conference {kalou2012ontology,
	title = {An Ontology Model for Building, Classifying and Using Learning Outcomes},
	booktitle = {Advanced Learning Technologies (ICALT), 2012 IEEE 12th International Conference on},
	year = {2012},
	pages = {61{\textendash}65},
	publisher = {IEEE},
	organization = {IEEE},
	author = {Kalou, Aikaterini and Solomou, Georgia and Christos J. Pierrakeas and Kameas, Achilles}
}
@conference {pierrakeas2012ontology,
	title = {An Ontology-Based Approach in Learning Programming Languages},
	booktitle = {Informatics (PCI), 2012 16th Panhellenic Conference on},
	year = {2012},
	pages = {393{\textendash}398},
	publisher = {IEEE},
	organization = {IEEE},
	author = {Christos J. Pierrakeas and Solomou, Georgia and Kameas, Achilles}
}
