TY JOUR TI Formalization of the information-ontological continuum on the example of the marine ergatic system KW augmented reality KW virtual reality KW ontology KW expert assessment KW ergatic system JO Operation of Maritime Transport AU Popov, A.N. AU Zelenkov, G.A. AU Burylin, Y.V. PY 2020 IS PB Budget Educational Institution of Higher Education “Admiral Ushakov State Maritime University”