TY - Generic T1 - Enhancing self-learning in a Web-Based Course using Predefined Learning Paths T2 - 8th annual International Conference of Education, Research and Innovation (ICERI 2015) Y1 - 2015 A1 - Georgia E. Antonelou A1 - Christoforos V. Karachristos A1 - Elias C. Stavropoulos A1 - Vassilios S. Verykios JF - 8th annual International Conference of Education, Research and Innovation (ICERI 2015) ER - TY - JOUR T1 - A transversal hypergraph approach for the frequent itemset hiding problem JF - Knowledge and Information Systems Y1 - 2015 A1 - Elias C. Stavropoulos A1 - Vassilios S. Verykios A1 - Vasileios Kagklis PB - Springer London ER -