Abstract
The results of the development of tools for scenario modeling based on formal grammars are presented. The works related to various ways of scenario description in their development systems are analyzed. For the natural language description of scenarios, it is indicated that this approach is sufficiently transparent and understandable for users. However, this approach has several disadvantages for formalizing and unifying scenario description. In particular, the presence of a number of ambiguities in the language makes it impossible for the description to be uniquely interpreted, and as a result, unsuitable for performing formal transformations on the description. The graphical representation of the script is a visual representation of the script. Moreover, the visual representation of the scenario in the form of some automaton model can be estimated as extremely attractive for subsequent multi-agent modeling of its execution. The disadvantage of such scenario description is still the difficulty of performing formal manipulations and the need to switch to a more convenient representation for manipulations. Using formal grammars to describe scenarios is a compromise approach that allows scripts to be described in an unambiguously interpreted form. The formal grammar description is also more familiar to computer language specialists. In addition, there are programs focused on working with formal grammars. The transition from the natural linguistic description of scenarios to its formal representation as a standard description in the Backus-Naura form is shown. The change in the presentation form was made using the example of description of the scenario of behavior of cyber-conflict participants in the security system. The resulting script description was used in the context-free grammar analyzer. The results showed the applicability of the proposed approach and the tools used to describe and verify the description correctness of scenarios related to any subject area
Highlights
The future is not a static continuation of the past
Scenario studies typically focus on issues that are sensitive to stakeholders and provide the means by which decision makers can anticipate upcoming changes and prepare for them quickly and Eastern-European Journal of Enterprise Technologies ISSN 1729-3774
Key model features include: 1. Protective countermeasures can be represented as interdependent; the often mentioned decreasing marginal return on investment in information security [17] becomes endogenous in our model
Summary
The future is not a static continuation of the past. Scenarios reflect the fact that several potential future options are possible at any given point in time. In order to avoid duplication of work and to facilitate collaborative scenario planning in these large-scale applications, a formal structure is needed for a systematic and organizational approach to scenario generation. This approach can be applied to all scenario research in order to exchange relevant information related to scenarios and form a community of script developers. The formulated statements lead to the conclusion that it is necessary to develop tools for scenario modeling based on the use of formal approaches and methods and to demonstrate their applicability and effectiveness for modeling security system processes
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