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Information retrieval in information systems (IS) with large amounts of data is not only a matter of an effective IS architecture and design and technical parameters of computer technology used for operation of the IS, but also of an easy and intuitive orientation in a number of offers and information provided by the IS. Such retrievals in IS are, however ,(More)
Computer aided modeling of the decision making processes requires the availability of a system, enabling to gather the knowledge of numerous experts. That is why the subject matter concerns first the simulation of the decision making processes, as well as the methods and procedures of knowledge acquisition from the above experts. Generally, the human mental(More)
This article deals with mandatory access controls and security policies within an operating system and proposes general methodology for selection and deployment of policies based on vague information, where these vague descriptions are representing operational, functional and security requirements imposed on the operating system. The proposed methodology is(More)
E-Iearning systems (distance learning systems) are a very important part of today's learning process. With courses in these systems it is possible to learn the studying material any time in a fun and interactive way. For the teacher or the creator of a system like these, feedback from the participants of the course is an essential and important part of(More)