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L-systems online
Fišer, Marek ; Pelikán, Josef (advisor) ; Mráz, František (referee)
An L-system in its simplest form is a variant of a context-free grammar. Originally, L-systems were developed and are still mainly used for modeling plant growth, though with L-systems it is possible to create general fractals, models of towns or even music. However, anyone interested in L-systems and wanting to experiment with them may have difficulty finding an appropriate application. The goal of this work was to create an online system, suitable for a wide range of users, for working and experimenting with L-systems. The resulting solution consists of two parts. The first part is a universal, easily-expandable library for processing L-sys- tems. Expandability is achieved thanks to its modularity. All input is processed through interconnected components that are specialized in particular activities. The specialization of the components also contributes to the clarity and reliability of the whole processing system. The library is independent and multiplatform and can thus be readily used in other applications. The second part consists of a modern web interface designed to be under- standable for beginners and yet also capable of providing advanced features for more advanced users. Part of the site is a gallery of L-systems to which each user can contribute and which thus helps to create a user-community. The...
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SAP ERP security as part of financial audit in a large business environment
Fišer, Marek ; Svatá, Vlasta (advisor) ; Výborný, Vojtěch (referee)
The aim of this diploma thesis is to present the methodology that is used, to test the design and implementation of internal application controls in environment of large companies using ERP systems, especially in the environment of companies using SAP ECC. This methodology is described in the thesis. Practical task which is aimed at verifying the security level of SAP ECC in real business environment is also part of the thesis. The practical part is composed of a detailed description of IT auditors individual steps of the testing procedure, a list of security elements, which are subject to an audit procedures and documents required for verification of the control effectiveness implemented in clients environment. Furthermore, there is a summary and evaluation of the risk level associated with identified deficiencies. Part of the evaluation is a list of recommendations, which the company should apply to increase the efficiency of internal controls and thus achieve the optimal security level of SAP ECC. In the final section of the diploma thesis there is an analysis of the deficiencies elaborated. These deficiencies have been identified during the audit season in 2016 in environment of 20 large companies using this ERP system. Identified findings are classified according to the risk level. Another part of analysis are comprehensive recommendations that IT auditors provide to their clients in order to increase the security level of IT environment, especially in connection with the management and other activities related to financial data.
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Digital library Kramerius and its use by students of historical sciences
Fišer, Marek ; Bratková, Eva (advisor) ; Večeřová, Petra (referee)
The thesis focuses on the digital library Kramerius, that provides electronic access to mainly Bohemian documents from 19th and 20th century. Its aim is not to describe all parts of this system and its hinterland - the thesis focuses rather on the user point of view. The core of the thesis is formed by user survey, which is conducted among the students of historical disciplines at the Faculty of Arts, Charles University in Prague, namely the students enrolled in the study programme Historical sciences. In the first part, there is a characteristic of digital library Kramerius with the focus on the aspects, that are closely related with its usability (user interface, accessibility of documents, conversion of the original documents to machine- readable form). The user survey, which is described in the second part, is devided into two parts.
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L-systems online
Fišer, Marek ; Pelikán, Josef (advisor) ; Mráz, František (referee)
An L-system in its simplest form is a variant of a context-free grammar. Originally, L-systems were developed and are still mainly used for modeling plant growth, though with L-systems it is possible to create general fractals, models of towns or even music. However, anyone interested in L-systems and wanting to experiment with them may have difficulty finding an appropriate application. The goal of this work was to create an online system, suitable for a wide range of users, for working and experimenting with L-systems. The resulting solution consists of two parts. The first part is a universal, easily-expandable library for processing L-sys- tems. Expandability is achieved thanks to its modularity. All input is processed through interconnected components that are specialized in particular activities. The specialization of the components also contributes to the clarity and reliability of the whole processing system. The library is independent and multiplatform and can thus be readily used in other applications. The second part consists of a modern web interface designed to be under- standable for beginners and yet also capable of providing advanced features for more advanced users. Part of the site is a gallery of L-systems to which each user can contribute and which thus helps to create a user-community. The...
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The military garrison in the town of Žamberk during the First Republic
Fišer, Marek ; Kvaček, Robert (referee) ; Rychlík, Jan (advisor)
The work tries, on the example of the town of Žamberk, to incorporate different aspects of coexistence of a garrison and a purely Czech small border town at the time of the First Czechoslovak Republic. First, the history of town and its then state, is briefly outlined, the text is then devoted to the initial accomodation problems, construction of military barracks and their financing. Main article also deals with the influence of the military presence on the economic and cultural life of the town and vice versa. There's also emphasized, on the individual examples, the positive relationship of the urban population to the army as a whole. Part of the work is trying, as available sources permit, to describe the garrison life and analyze its religious or national structure.
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Building and use of small computer networks
Fišer, Marek ; Pinkas, Otakar (advisor) ; Palovský, Radomír (referee)
The main objective of the thesis is description of the intermediation of internet services by the use of microwave transmission technology. The thesis is divided in three parts. The first part is dedicated to a theoretical description of metallic and wireless networks. The second part focuses on the problematic of microwave transmission. The third, the main part, is dedicated to the description of a specific solution. In this part is metioned the pratical experience, which was gained by the implementation of the solution in to the practice.
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