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C Compiler in Python
Lichtner, Ondrej ; Kaštil, Jan (referee) ; Vašíček, Zdeněk (advisor)
This paper describes the design and implementation of a C compiler in Python for the PicoBlaze microcontroler. Currently developement of applications for this microcontroller is limited to using assembler. Therefore the goal is to create a compiler that can be easily modified or extended. Design and implementation is separated into modules. These can be easily replaced or expanded.
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Evaluation of Trust or Reputation Based on Social Network Analysis
Švec, Tomáš ; Malačka, Ondřej (referee) ; Samek, Jan (advisor)
This thesis' goal is to apply the terms trust and reputation from the point of view of artificial intelligence to social network analysis methods. It evaluates current available interactions for a model of trust considering various social networks. A mathematical model of trust for Facebook is designed and described in further parts. This model had been implemented in Python programming language. Experiments regarding this thesis are conducted on a sample amount of Facebook users and furthermore analyzed from the perspective of both artificial intelligence and social psychology.
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Graphical Tool for IPv6 Packet Generation
Jochec, Jakub ; Bartoš, Václav (referee) ; Puš, Viktor (advisor)
This thesis is targeted on creation of graphic interface for generating IPv6 packets which can be used for creation of correct packets with different options. It describes TCP/IP model of network and IPv6 including extension headers. In next part is presented some of existing tools for IPv6 packet generating. Last part includes user interface design and implementation using Python and wxPython and Scapy libraries.
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Detection of Honeypot Systems in Network
Teknős, Martin ; Drozd, Michal (referee) ; Barabas, Maroš (advisor)
This thesis is focusing on detection of honeypot systems in network. It presents different techniques for detection of honeypot systems and then focuses on three of them: TCP/IP fingerprinting, clock skew estimation and service exercising. A console application was created, to test these selected techniques. The thesis describes a design of the application, its implementation and also presents results of experiments with the application and selected techniques.
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Tracking Data on Mobile Devices
Škoviera, Martin ; Kajan, Rudolf (referee) ; Navrátil, Jan (advisor)
This thesis researches the possibilities of tracking mobile device data and their movement. It encompasses the division of the mobile operating systems market and also the importance of security solutions in business sector. Thanks to comparing the possibilities of development and security elements of individual platforms, the overview of importance is completed. The thesis also contains developed applications on Android and BlackBerry OS platforms for recording tracked data, a server application for their collection and a iOS application on PhoneLogs for their wholesale viewing. Accessing these records is possible after a successful authentication, individual databases are encrypted and communication secured with an SSL certificate.
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C Compiler in Python
Fiedor, Tomáš ; Bidlo, Michal (referee) ; Vašíček, Zdeněk (advisor)
There is currently no big link between creation of compilers and processor design and their instruction sets in courses. The goal of this work is to create easily extensible and modular compiler, which will enable experiments with instruction sets of used target processor. Compiler implements several optimization techniques. Their impact is more closely discussed. One of the advanced used techniques is context generation of output code. This technique generates less code than common blind generation.
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An Intelligent System for Question Answering
Mičulka, Jakub ; Kouřil, Jan (referee) ; Otrusina, Lubomír (advisor)
This work deals with problem about proccessing of natural language queries, which are asked in search engines. This work explains basic function principles of search engines, where the main focus is given to database search engines. The essential part of this article deals with system design and implementation of questionAnswering, which is used for searching information in the database of the ReResearch project. The reader is introduced to procedure of design and implementation of mentioned system and to the fundamental problems, that arose from this work. In the end, this system is evaluated with the standard metrics.
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Nitrate Client Performance Improvement with Cache Implementation
Holec, Filip ; Letko, Zdeněk (referee) ; Müller, Petr (advisor)
The goal of the thesis is to design and implement performance improvements in python-nitrate module. Performance improvements are based on gathered use cases, which use large amount of data and network bandwidth. Performance test suite was implemented in order to measure impact of changes in module. Testing proved, that python-nitrate module with integrated performance improvements is in certain cases several times faster, but also can be slower in two cases. Discussion regarding possible extensions is present in the conclusion.
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Scripting Language on the Java Platform
Genserek, Michal ; Smrčka, Aleš (referee) ; Kočí, Radek (advisor)
This thesis aims at JSR223 compliant scripting languages on the Java platform including a description of the application interface that is part of the specification. The thesis also discusses possible problems resulting from using the scripting languages on the Java platform including possible solutions of this problems. Description of the languages Python, Ruby, JavaScript, Groovy and Clojure including eventual differences between this languages' different implementations is also included in the thesis. The thesis also contains a set of tests for comparing described languages' performance. The results of this comparison including results for different Java virtual machines are also included in the thesis. Tool for benchmarking of the scripting languages under the JSR223 application interface was developed as part of the thesis.
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Jabber Bot Remoted by REST API
Stískala, Viktor ; Burget, Radek (referee) ; Milička, Martin (advisor)
This bachelor’s thesis describes the implementation and use of Jabber bot controlled via REST API. The application is designed to meet the minimal demands on system resources, extensibility and scalability thus providing the ability to accept connections from an unlimited number of users. The work also contains a brief characterization of XMPP protocol, which is the cornerstone of the entire application. In subsequent chapters is described the implementation of a web application demonstrating the bot behavior and also the possibility of further extensions.
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