<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>5</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Sotiris Kotsiantis</style></author><author><style face="normal" font="default" size="100%">Christos Pierrakeas</style></author><author><style face="normal" font="default" size="100%">Ioannis Zaharakis</style></author><author><style face="normal" font="default" size="100%">Panagiotis Pintelas</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Efficiency of machine learning techniques in predicting students  performance in distance learning systems</style></title><secondary-title><style face="normal" font="default" size="100%">Recent Advances in Mechanics and Related Fields</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2003</style></year></dates><publisher><style face="normal" font="default" size="100%">University of Patras Press</style></publisher><pages><style face="normal" font="default" size="100%">297-306</style></pages></record></records></xml>