@conference {pierrakeas2006online,
	title = {Online collaboration environments in telemedicine applications of speech therapy},
	booktitle = {Engineering in Medicine and Biology Society, 2005. IEEE-EMBS 2005. 27th Annual International Conference of the},
	year = {2006},
	pages = {2183{\textendash}2186},
	publisher = {IEEE},
	organization = {IEEE},
	author = {Pierrakeas, C and Georgopoulos, VC and Malandraki, GA}
}
@inbook {hatzilygeroudis2004pass,
	title = {PASS: An Expert System with Certainty Factors for Predicting Student Success},
	booktitle = {Knowledge-Based Intelligent Information and Engineering Systems},
	year = {2004},
	pages = {292{\textendash}298},
	publisher = {Springer},
	organization = {Springer},
	author = {Hatzilygeroudis, Ioannis and Karatrantou, Anthi and Pierrakeas, C}
}
@article {kotsiantis2002efficiency,
	title = {efficiency of machine learning techniques in predicting students{\textquoteright} performance in distance learning systems},
	journal = {Educational Software Development Laboratory Department of Mathematics, University of Patras, Greece},
	year = {2002},
	author = {Kotsiantis, S and Pierrakeas, C and Pintelas, P}
}
@article {skiadopoulos1999phantom,
	title = {A phantom-based evaluation of an exposure equalization technique in mammography.},
	journal = {The British journal of radiology},
	volume = {72},
	number = {862},
	year = {1999},
	pages = {977{\textendash}985},
	publisher = {The British Institute of Radiology},
	author = {Skiadopoulos, S and Pierrakeas, C and Costaridou, L and Kalogeropoulou, CP and Panayiotakis, G}
}
@article {panayiotakis1998evaluation,
	title = {Evaluation of an anatomical filter-based exposure equalization technique in mammography.},
	journal = {The British journal of radiology},
	volume = {71},
	number = {850},
	year = {1998},
	pages = {1049{\textendash}1057},
	publisher = {The British Institute of Radiology},
	author = {Panayiotakis, G and Skiadopoulos, S and Solomou, E and Pierrakeas, C and Costaridou, L and Kalogeropoulou, CP and Dimopoulos, J}
}
