Thermodynamic properties and vaporization processes of ternary silicate glass-forming melts containing Cs2O, MgO, CaO, BaO, B2O3, Al2O3 and TiO2 obtained by high temperature mass spectrometric method at the temperatures up to 1900 K were discussed. These data were used for modeling thermodynamic properties and structure of these melts based on the vacancy model of the general lattice theory of associated solutions.