Michal Zabovsky

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Public social networks affect significant number of people with different professional and personal background. Presented paper deals with data analysis and in addition with safety of information managed by online social networks. We will show methods for data analysis in social networks based on its scale-free characteristics. Experimental results will be(More)
In this paper we describe fast and easy graph visualization layout we developed. We called it radius degree layout (RDL). RDL can be used for static and also for dynamic (interactive) visualization. RDL is easy to implement in 2D and 3D visualization, it is CPU efficient, also for large graphs, and we can easily orientate in graph using it. In this paper we(More)
It has been planned that the whole region of Slovak Republic's surface would be scanned, and there arose a need for storing the resulting data and making it publicly available. For this purpose, a scalable file-based database system for storing and accessing a large amount of geographic point cloud data was developed. The principle of the system was tested(More)
The aim of this study is to improve a fuzzy rule based system that helps to manage heart failure patients in home telemonitoring. The system is intended to give notifications to a decision-making support system and medical experts when there is a possibility of death for a telemonitored patient. The improvement consists in inclusion of a formulated(More)
This paper deals with the problem of mobile device time synchronization with millisecond accuracy. We created a solution that will allow synchronizing time on mobile phones depending on accelerometer sensor precision. Our solution is suitable for multiple mobile sensor measurement where the time accuracy of synchronization between mobile phones is needed.(More)
The popular communication Social Networking Sites (SNS) like Facebook, Twitter, LinkedIn etc have become in style and well-liked during the past few years and are utilized by billions of individuals irrespective of their age groups for communicating either with old friends, relatives from far places or total strangers. As they allow users to both articulate(More)