@article {kalles2006analyzing,
	title = {Analyzing student performance in distance learning with genetic algorithms and decision trees},
	journal = {Applied Artificial Intelligence},
	volume = {20},
	number = {8},
	year = {2006},
	pages = {655{\textendash}674},
	publisher = {Taylor \& Francis},
	author = {Kalles, Dimitris and Christos J. Pierrakeas}
}
