The estimation of various social objects is necessary in different fields of social life, science,education, etc. This estimation is usually used for forecasting, for evaluating of different propertiesand for other goals in complex man-machine systems.[...]

The processing of data is often restricted by contractualand legal requirements for protecting privacy and IPRs. Policies pro-vide means to control how and by whom data is processed. Conditionsof policies may depend on the previous processing of the data. However,existing policy languages do not...