The literature on business cycle synchronization in Europe frequently presumes an alleged 'core-periphery' pattern without providing empirical verification of the underlying cyclical (dis)similarities or the supposed but unobservable 'European business cycle(s)'. To provide a data-based country...

The literature on business cycle synchronization in Europe frequently presumes an alleged ‘core‒periphery’ pattern without providing empirical verification of the underlying cyclical (dis)similarities or the supposed but unobservable ‘European business cycle(s)’. To provide a...

This paper deals with the problem of a heuristic approach to possibilistic clustering. The approach is based on the concept of allotment among fuzzy clusters. The paper provides the description of basic concepts of the heuristic approach to possibilistic clustering. Plans of direct...

Questionnaire survey data are usually characterized by a great amount of ordinal variables. For multivariate analysis, it is suitable to reduce task dimensionality. The aim of this paper is a comparison of the results obtained by the analysis of data files with ordinal variables using selected...

Malware or virus is one of the most significant security threats in Internet. There are mainly two types of successful (partially) solutions available. One is anti-virus and other is backlisting. This kind of detection generally depends on the existing malware or virus signature database....