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The design of information-active systems provides the formation of the model representation of automated tasks, which is invariant to the environment and means of software and hardware implementation. The syntactic (info-logical) model representation of applied problems will be adequate to initial requirements only if they provide meaningful unity. It is determined by the initial formation of a knowledge model or conceptual representation of applied tasks. The conjugation of semantic and syntactic static constructions is based on the regularity of mapping in the framework of the methodology of intellectual labor automation. The formal description of connections (mapping) of semantic (conceptual) and syntactic (info-logical) representations on the basis of the regularity of mapping allows limiting the set of possible relations and connections in verbal syntactical constructions for representation of subject tasks and providing completeness of the formalized (syntactic) representations at the expense of their semantic addition.

The article describes the concept of the methodology of intellectual labor automation, a formal description of the conceptual model (CM) at the object level, and also a description of the analytical processing of CM. The conceptual model is the basis for the design of the system. The conceptual model of an applied task reflects the semantics (the system of knowledge) of the subject field in the form of static and dynamic structures and their linkage. The elements of the static structure are subject categories defined by classes: cycle, process, task, component, object, feature, value. The dynamic structure reflects the system of subject dependences which describes the process of performing a subject task. The main stage of conceptual model analytical processing is the restructuring of the dynamic component. The method and technique of descriptions restructuring of subject dependences system at the level of features are developed. The method allows to provide reduction of time and spatial expenses on performance of process of the decision of the applied task in the computing environment at early stages of information-active systems design