Abstract
The problem of construction of the web-based decision support system when planning the execution of agreements at service-rendering enterprises is considered. Characteristics of operations of such enterprises are explored. The improved mathematical model for the problem of agreements execution planning was constructed and the criteria for evaluation of effectiveness of the resulting variant of the solution were determined. The use of the additive convolution of a particular criterion with setting priorities of meeting each of them was applied as estimation of effectiveness of execution variant. The combined algorithm for solving the problem on planning was developed, aimed at taking into account the features of the subject area. In order to use the combined algorithm, it is proposed to represent the input data in the form of a multi-layer graph, each layer of which corresponds to the working time of one executor, and nodes determine the synchronization points between the layers. During designing a combined algorithm, the elements of the ACO algorithm and of the genetic algorithm were used. The DSS structure for agreement execution planning was proposed, and the technologies, used for its implementation, were considered. The users’ interface of the system was presented. The developed decision support system provides support for the management functions during planning and enables the in-depth analysis of situations, their evaluation and selection of the optimal variant of the plan, performing all preparatory actions and forming ready solutions. The created system is web-based, which allows using it at any place with the Internet access.
Highlights
Activities of most modern enterprises are associated with rendering different services in accordance with concluded agreements
To implement the proposed algorithm, there was created a programming module, which found its use in the development of the web-oriented decision support systems (DSS) for agreement execution planning at the enterprises, the activity of which relates to rendering services
A given specification determines the information system architecture is determined by the pos- standard for describing REST interfaces, which allows both sibility of complete independence of business logic from the a person and a computer to understand the capabilities of the elements of a software platform and isolation of dependencies server without an access to the input code, additional techon components from the rest of the program code
Summary
Activities of most modern enterprises are associated with rendering different services in accordance with concluded agreements. The sequence of implementation of stages of each agreement, their number and time required to perform them, depend both on the features of the general type of a service and the requirements of a particular customer, which are determined by the terms of an agreement. The total number of agreements to be implemented over a planned period is not regulated and is impossible to determine in advance because orders can be placed at different times for both different and the same kinds of services, but with different individual requirements. Planning the execution of work relates to various areas of activity, including management of projects with different complexity: from rendering small services and organizing holidays to designing and constructing spacecraft [2]. The relevance of the search for new approaches and procedures to solve a given problem is predetermined by the development of heuristic and evolutionary methods, which in turn relates to the rapid development of information technologies in general [5]
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