Dumitru Dan Burdescu Marian Cristian Mihaescu Bogdan Logofatu Employing Bayes Classifier for Improving Learner's Proficiency. 38-42 2008 ICIW http://doi.ieeecomputersociety.org/10.1109/ICIW.2008.16 conf/iciw/2008 db/conf/iciw/iciw2008.html#BurdescuML08