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This paper deals with the use of Messenger and Factory design patterns to design and implement a real information system focused on business intelligence (BI). The whole development was implemented in the .NET platform in C# using modern programming techniques and tools. The substance of the paper is to show how it can be useful to use particular design patterns when developing information systems. [ABSTRACT FROM AUTHOR]

The aim of the theme is to introduce a possibility of fuzzy queries implemented in relational databases. The issue is described on a model which identifies the appropriate part of the problem domain for fuzzy approach. The model is demonstrated on a database of wines focused on searching in it. The construction of the database complies with the Law of the Czech Republic. [ABSTRACT FROM AUTHOR]

This paper focuses on the use of a minicomputer built on platform Arduino for the purposes of image compression and decompression. Arduino is used as a control element, which integrates needed proposed algorithms. This solution is unique as there is no commonly available solution with low computational performance for demanding graphical operations with the possibility of subsequent extending, because using Arduino, as an open source, enables further extensions and adjustments. [ABSTRACT FROM AUTHOR]