Ryabova, N.V., O.Y. Shevchenko, M.V. Biloivanenko, M.V. Golovianko, N.O. Voloshyna, and O.V. Shubkina. 2009. “evelopment f he ommon ardware nd oftware rchitecture or he istributed ersion f he ntology-ased ortal”. ournal of nformation echnologies in ducation (ITE), no. 4 (December):164-78. https://doi.org/10.14308/ite000103.