Software Agents for Learning Resources of Digital Library. - D. A. Milashenko; Sergiy D. Makovetskiy; R. V. Boblovskiy; Igor N. Keleberda; Natalya S. Lesna (ISTA, 2003)

Personalized Distance Learning Based on Multiagent Ontological System. - Igor N. Keleberda; Natalya S. Lesna; Sergiy D. Makovetskiy; Vagan Y. Terziyan (ICALT, 2004)

Building learner's ontologies to assist personalized search of learning objects. - Igor N. Keleberda; Victoria Repka; Yevgen Biletskiy (ICEC, 2006)

Semantic Mining Based on the Learner's Preferences. - Igor N. Keleberda; Victoria Repka; Yevgen Biletskiy (CCECE, 2006)

An adjustable personalization of search and delivery of learning objects to learners. - Yevgen Biletskiy; Hamidreza Baghi 001; Igor N. Keleberda; Michael W. Fleming (Expert Syst. Appl., 2009)