Sergey V. Zykov

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Developing enterprise software system (ESS) is dramatically tampered by exponentially growing data burden, and by heterogeneous nature of the system components in terms of architecture and structure. An integral approach to the enterprise software system lifecycle, which combines rigorous formal models and the supporting CASE tools, helps to obtain design(More)
1 Portal technology can significantly improve the entire corporate information infrastructure. The approach proposed is based on rigorous and consistent (meta)data model and provides for efficient and accurate front-end integration of heterogeneous corporate applications including enterprise resource planning (ERP) systems, multimedia data warehouses and(More)
Document management software systems are having a wide audience at present. However, groupware as a term has a wide variety of possible definitions. Groupware classification attempt is made in this paper. Possible approaches to groupware are considered including document management, document control and mailing systems. Lattice theory and concept modelling(More)
Ontogenetic instability was studied in four rodent species (Ellobius talpinus, Microtus arvalis, M. rossiaemeridionalis, Mus musculus). It was measured by fluctuating asymmetry (FA) of 21 craniometric characters. Each species was represented by two populations differing in average level of chromosomic instability and in degree of anthropogenic influence.(More)