@proceedings {16,
	title = {Enhancing self-learning in a Web-Based Course using Predefined Learning Paths},
	journal = {8th annual International Conference of Education, Research and Innovation (ICERI 2015)},
	year = {2015},
	issn = {978-84-608-2657-6},
	author = {Georgia E. Antonelou and Christoforos V. Karachristos and Elias C. Stavropoulos and Vassilios S. Verykios}
}
@article {stavropoulos2015transversal,
	title = {A transversal hypergraph approach for the frequent itemset hiding problem},
	journal = {Knowledge and Information Systems},
	year = {2015},
	pages = {1{\textendash}21},
	publisher = {Springer London},
	author = {Elias C. Stavropoulos and Vassilios S. Verykios and Vasileios Kagklis}
}
