Scientific Journal of KubSAU

Polythematic online scientific journal
of Kuban State Agrarian University
ISSN 1990-4665
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Name

Katsko Igor Aleksandrovich

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associated professor

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Kuban State Agrarian University
   

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Articles count: 8

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314 kb

CHOOSING THE BEST METHODS FOR ASSESSING THE EFFICIENCY OF INFORMATION TECHNOLOGIES USING THE KEMENY MEDIAN

abstract 1101506052 issue 110 pp. 774 – 786 30.06.2015 ru 686
The research is devoted to the problem of choosing the best methods for assessing the economic efficiency of information technologies. Using the Kemeny median is proposed to solve this problem. This method will allow to obtain the ranking of methods of evaluating of IT effectiveness by various criteria. The existing methods of valuation of economic efficiency of information technology were systematized in the article. Preliminarily, all the methods were divided into three groups: financial, probabilistic and qualitative analysis tools. The advantages and disadvantages of methods, their purpose, use and limitations were also considered. As a result of systematization, it was concluded that there were some limited and one-sided methods. No single method allows to assess comprehensively the effectiveness of an information technology. Obviously, the methods should be considered in the system. But for this they need to be ranked. In order to obtain the ranking the method of Kemeny median was used. In the beginning the expert evaluation of methods by the eight proposed criteria (taking into account the specificity of the original data, validity, unambiguity, information content, exactness, complexity, the access to information, the cost) was carried out. Next, the search of the group ranking was carried. The matrix of losses was compiled. The problem of appointments was solved in MS Excel. At the end, the matrix of paired comparisons has been obtained. This matrix helped to determine the final ranking of alternative methods. Therefore, using the Kemeny median allowed us to prioritize the use of methods of evaluating of the effectiveness of information technology
281 kb

DECISION SUPPORT SYSTEM FOR SELECTING THE METHOD OF PURCHASE OF SOFTWARE

abstract 1211607012 issue 121 pp. 357 – 366 30.09.2016 ru 395
The research is devoted to the problem of selecting the software acquisition method for the company. To solve this problem the decision support system which allows automating the process of selecting the software acquisition method was developed. The existing methods of software acquisition were reviewed in the article, as well as the analysis of possibility of their comparison was conducted. This analysis showed that the research should be limited to two alternatives - purchase of licensed program and using Software as a Service (SaaS). We substantiated the necessity of a mechanism that would allow the company to determine with a high degree of accuracy which software acquisition method was the most preferred. This mechanism was implemented in the framework of a decision support system consisting of three main blocks: database, model base and interface. The basis of the model base consisted of indicators calculated on the various methods for assessing the economic efficiency of information technologies. The above methods were ranked in descending order of their informativeness. Based on these results the algorithm of choice of software, the acquisition method was proposed. This algorithm formed the basis of the decision support system which block diagram is also presented in the article. It is expected that the developed decision support system will enhance the validity of the decisions made, reduce the complexity of the calculations, and minimize losses associated with acceptance of erroneous decisions
166 kb

INTELLECTUAL ANALYSIS OF DATE AND MODELLING OF DEPENDENCE OF GRAINS YIELDING ON EXPENDITURES

abstract 0360802016 issue 36 pp. 251 – 260 29.02.2008 ru 3029
Comparative analysis of intellectual data analysis methods application and regressive data analysis on the example of modeling of grains yielding dependence on expenditures, by data on activities of agricultural organizations of Krasnodar region for 2006 is carried out in the article. Two approaches: regression with rupture, based on the classical variant and realized in the packet “Statistica”; multi parametric linear regression, based on the ideology of evolutional programming are carried out in the article. There was made a conclusion on the basis of the analysis results that it was impossible to be restricted only by one point of view – and regression in Statistica and analogous means in system PolyAnalyst mutually supplement each other in the description of investigating process.
487 kb

MODELING OF MODERN TRENDS IN RISKORIENTED AUDIT WITH THE APPLICATION OF BAYES THEOREM

abstract 1151601018 issue 115 pp. 305 – 319 27.01.2016 ru 613
There are many ways to improve the decisionmaking process, but, with a big amount of data and complexity of decision-making trees, it's becoming more and more complicated to keep up with the flow of information coming from many spheres of modern life. Therefore, the development of various problemsolving approaches has become an important step in changing the face of existing technological systems. This idea appeared in the work of an American scientist J. Perl who, in 1988, founded a new probabilistic approach to artificial intelligence and developed principles of Bayesian Network. Bayesian Network is a graphical model that represents a set of random variables and their conditional dependencies. In the article, the most valuable parts of the given topic have been reviewed, cognitive maps have been compared with their partial manifestation - Bayesian Network; also, one of the options to practically use such models in the audit field has been analyzed by observing a possible decision-making process of giving a modified or unmodified opinion
313 kb

SEARCH QUERY STATISTICS

abstract 0931309075 issue 93 pp. 1105 – 1120 30.11.2013 ru 1499
This article surveys the available statistical services in modern search engines. The statistical results are dis-cussed on the example of Russia's accession to the WTO
317 kb

TO THE QUESTION OF THE MODERN CON-DITION AND PROSPECTS OF DEVELOPMENT OF THE INFORMATIONAL SUPPLY OF AGRICULTURAL ENTERPRISES

abstract 0530909007 issue 53 pp. 68 – 88 30.11.2009 ru 2204
The analysis of the modern condition and prospects of development of informational supply of agricultural enterprises is carried out
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