Abstract
The object of research is the processes of operation of a web-based information system. The conducted research is based on the application of existing approaches to organizing the operation of IT products, as well as on the previously developed formal model of the problem of managing the operation of an information system. The existing assessment of the satisfaction degree of the requirements for the system was adopted as the main criterion for managing the operation of the information system. The main hypothesis of the study is the assumption that the main criterion for managing the operation of a web-based information system should be considered the efficiency indicator as the ratio of the degree of satisfaction of requests for changes in individual components of the information system and the total costs of operating the system. The analysis of the applicability of the criterion «Satisfaction of the requirements of users of the information system» is carried out and its incomplete objectivity is shown for describing the goals of managing the operation of the information system. The use of the management efficiency indicator is substantiated, the features of the use of this indicator for solving the problem of managing the operation of the information system are considered. The existence of two approaches to determining the efficiency of the operation of an information system is recognized. Based on the results obtained, a concept for managing the operation of a web-based information system is proposed. This concept represents the main task of managing the operation of a web-based information system as a special case of a multicriteria optimization problem, the solution of which will be a Pareto-optimal system. On the basis of the proposed concept, a mathematical model of the problem of effective management of a web-based information system has been developed. To describe the function of the goal in the course of developing the model, it is proposed to move from descriptions of requirements to knowledge-based models of requests for changing the information system. It is also proposed to divide the set of model constraints into two separate complexes – a set of technical management constraints and a set of operating process constraints. Application of the developed model will make it possible to create new information technologies for managing the operation of web-based information systems for enterprise management. In contrast to the existing ones, such technologies will allow formalizing and automating the work on the formation and approval of the most profitable for the participants in the operation of the information system of project plans for fulfilling requests for changes in the operating system.
Highlights
Modern strategies for the development of IT companies consider effective IT products as the main source of profits
For the successful long-term existence of IT companies, it becomes necessary to formulate and solve global problems of managing the effective operation of IT products. Such a task becomes especially difficult for such a variety of IT products as information systems (IS) for enterprise management
This means that the effective operation of the enterprise management IS will be determined by the effective implementation of scenarios for the performance of individual functions of this system, and by the effective implementation of data structures that describe the inputs and outputs of the functions of this system
Summary
Modern strategies for the development of IT companies consider effective IT products as the main source of profits. For the successful long-term existence of IT companies, it becomes necessary to formulate and solve global problems of managing the effective operation of IT products Such a task becomes especially difficult for such a variety of IT products as information systems (IS) for enterprise management. The problem of managing the operation of enterprise management information systems as a set of functions that provide services for the processing and display of data and information does not currently have a general solution Research in this area, which makes it possible to assess and improve the efficiency of the enterprise management IS through the development and implementation of a set of measures to improve its economic, technical and technical characteristics, are relevant from the theoretical and applied points of view. The aim of research is to develop a mathematical model for managing the operation of a web-based IS, which would take into account the existing features of the relationship between an enterprise-supplier and an enterprise-consumer of an IS during its operation
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