Possibilities for employment of fuzzy sets theory apparatus for solving problems of providing for information security are considered. The initial points for information security in information systems are specified. The following sequence of description is put forward in order to provide for a clear description and information process and the…

This work aims to generate a new ranking of the travel and tourism competitiveness index (TTCI) using the ordered weighted average (OWA) operator and its extensions. This method and its extensions generate a new competitiveness score for 140 countries. Applying this technique not only allows these nations to be ordered…

The paper presents a fuzzy model of the evaluation activity within a large organisation. The model was developed for the evaluation of competencies of professional workers. The model was developed in two phases. The aim of the first phase was to define the set of competencies and their explicative force…

The purpose of this paper is to offer managers an innovative and efficient methodology of analysis by which they can gain a more realistic perception of the environment. Hence decision making related to the selection of entry strategies will be done based on more reliable information. In order to achieve…

Model-building professionals are often facing a very difficult choice of selecting relevant variable/s from a set of several similar variables. All those variables are supposedly representing the same factor but are measured differently. They are based on different methodologies, baselines, conversion/comparability methods, etc., thus leading to substantial differences in numerical…

The objective of the paper is to demonstrate the effectiveness of a model which fuses econometric models and Heavy Ordered Weighted Moving Average (HOWMA) operators. The evaluation of the methodology is validated with a forecast exercise of the monthly USD / MXN parity for 2015-2017. Within the results, it is…

In this paper we report evidence from a collective deliberation experiment in which the supporters of a political party were asked to debate online about ways to reform the electoral law. We compared a forum with an argumentation platform, an online collaboration tool that supports the construction of a collective…

Organizations, in their quest to fully satisfy the needs of the population and companies throughout different sectors that form the economy of a nation require a sufficient and consistent supply of electricity. This allows the providing systems to increase their business competitiveness and satisfaction of the population. In this paper…