TY JOUR TI ONTOLOGICAL MODEL OF INTERACTION BETWEEN EDUCATIONAL CONTENT AND LEARNER IN INTELLIGENT TUTORIAL SYSTEM ARCHITECTURE KW educational content model KW learner’s model KW Personal Learning Environment KW individual characteristics of learners KW ontology KW intellectual support JO Vestnik of Astrakhan State Technical University. Series: Management, computer science and informatics AU Pustovalova, N.. PY 2021 IS 2021 PB Astrakhan State Technical University