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  Management of Network Security of a University Server by Analysis of Log Files

  The purpose of this paper is to manage network security by analysis of log files of Apache web server. We try to detect problems related to network security. In theoretical terms various methods and tools for the analysis of log files are studied. The given methodology for analysing log files is presented for the first time in this study. It can ... The purpose of this paper is to manage network security by analysis of log files of Apache web server. We try to detect problems related to network security. In theoretical terms various methods and tools for the analysis of log files are studied. The given methodology for analysing log files is presented for the first time in this study. It can be applied in the analysis of log files on other web servers.

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  Research of Major Models of Organizational Change in the Modern Organizations

  This article aims to present the need for organizational change in the modern business organization. In order to achieve this goal, on the basis of analysis of the literature resources, an overview of some basic models of organizational change has been made. The main topic of the article is the classification of models of organizational change and ... This article aims to present the need for organizational change in the modern business organization. In order to achieve this goal, on the basis of analysis of the literature resources, an overview of some basic models of organizational change has been made. The main topic of the article is the classification of models of organizational change and outlining their basic ideas. The presented article is structured as follows: § Introduction. § The need for organizational change. § Cluster of models of organizational change: First group - Models for the study of organizational change; Second group - management models for organizational change. § Conclusion.

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  Bank Efficiency in Bulgaria in the Period 2007-2013: Application of Parametric Method Stochastic Frontier Analysis (SFA)

  The study uses a nontraditional method for the measurement of bank efficiency - parametric method "stochastic frontier analysis" (SFA), to help analyze the efficiency of the entire banking system in Bulgaria and individual groups of banks by ownership. This method has been applied in numerous studies of bank efficiency in a group of countries, but ... The study uses a nontraditional method for the measurement of bank efficiency - parametric method "stochastic frontier analysis" (SFA), to help analyze the efficiency of the entire banking system in Bulgaria and individual groups of banks by ownership. This method has been applied in numerous studies of bank efficiency in a group of countries, but it is not used for the purpose of measuring the efficiency of the Bulgarian banking system. The survey results show that foreign banks are the most efficient banks in the economy and determine the dynamics of the efficiency of the banking system. Their better performance is explained by the technology and experience they have.