eng Science and Education Publishing Automatic Control and Information Sciences 2014-05-06 2 2 32 44 10.12691/acis-2-2-1 ACIS2014221 article Dmytro Polishchuk 1 Olexandr Polishchuk od_polishchuk@mail.ru 1 Mykhailo Yadzhak 1 Department of Nonlinear Mathematical Analysis, Pidstryhach Institute for Applied Problems of Mechanics and Mathematics National Academy of Sciences of Ukraine, Lviv, Ukraine Methods of complex evaluation based on local, forecasting, aggregated, and interactive estimation of the state, function quality, and interaction of complex system's objects on the all hierarchical levels is proposed. Examples of analysis of the structural elements of railway transport system are used for illustration of efficiency of proposed approach. http://pubs.sciepub.com/acis/2/2/1/acis-2-2-1.pdf complex system network evaluation aggregation forecasting