Classsourcing: Crowd-Based Validation of Question-Answer Learning Objects. - Jakub Simko; Marián Simko; Mária Bieliková; Jakub Sevcech; Roman Burger (ICCCI, 2013)

Facet Tree for Personalized Web Documents Organization. - Róbert Móro; Mária Bieliková; Roman Burger (WISE (1), 2014)