User Characteristics Acquisition from Logs with Semantics. - Anton Andrejko; Michal Barla; Mária Bieliková; Michal Tvarozek (ISIM, 2007)

Building an Ontological Base for Experimental Evaluation of Semantic Web Applications. - Peter Bartalos; Michal Barla; György Frivolt; Michal Tvarozek; Anton Andrejko; Mária Bieliková; Pavol Návrat (SOFSEM (1), 2007)

Investigating Similarity of Ontology Instances and Its Causes. - Anton Andrejko; Mária Bieliková (ICANN (2), 2008)

Maintenance of Learner's Characteristics by Spreading a Change. - Michal Simún; Anton Andrejko; Mária Bieliková (Learning to Live in the Knowledge Society, 2008)

Personalized Comparing Instances of Domain Ontology Concepts. - Anton Andrejko; Mária Bieliková (SMAP, 2008)

Comparing Instances of Ontological Concepts for Personalized Recommendation in Large Information Spaces. - Mária Bieliková; Anton Andrejko (Comput. Informatics, 2009)

"Novel Approaches to Acquisition and Maintenance of User Model" by Anton Andrejko with Jessica Rubart as coordinator. - Anton Andrejko (SIGWEB Newsl., 2010)