This diploma thesis deals with problems of development of chatbots. The theoretical part of the thesis introduces the concept of the conversational interface in general and analyzes available technologies for its development. The practical part deals with the design and implementation of a particular chatbot, whose goal is to be a virtual assistant in the process of selecting and purchasing goods. This is accomplished by connecting the chatbot to the product information management system using OData web services. One of the biggest problems was to determine the order of questions asked about product properties. For the implementation was used decision tree theory.

Tato práce má dva cíle - navrhnout obecně aplikovatelný přístup k penetračnímu testování webových aplikací, který bude využívat pouze nedestruktivních interakcí, a dále pak implementovat nástroj, který se tímto postupem bude řídit. Navrhovaný přístup má tři fáze - v první fázi tester posbírá požadavky pro testovací sezení (včetně požadavků na nedestruktivnost) a připraví si nástroje a postupy, kterých při testování využije, následně začne s průzkumem. V druhé fázi využije dodatečných nástrojů pro zpracování informací z předchozí fáze a pro ověření a odhalení zranitelností. Ve třetí fázi jsou všechny informace překovány ve zprávu o penetračním testování. Implementovaný nástroj je postavený na modulech, které jsou schopny odhalení reflektovaného XSS, serverových miskonfigurací, skrytých adresních parametrů a skrytých zajímavých souborů. V porovnání s komerčním nástrojem Acunetix je implementovaný nástroj srovnatelný v detekci reflektovaného XSS a lepší v detekci skrytých zajímavých souborů. Práce také originálně představuje nástroj pro sledování postranního kanálu Pastebin.com s cílem detekce utíkajících informací.

This thesis is focused on design of framework for creation an articial opponents in strategy games. We will analyze different types of strategy games and artificial intelligence systems used in these types of games. Next we will describe problems, which can occur  in these systems and why agent-based systems makes better artificial opponents. Next we will use knowledge from this research to design and implement framework, which will act as support for creating an artificial intelligence in strategy games.

This master's thesis introduces the areas of approximate computing, image filtering in hardware and evolutionary algorithms. It proposes a new design solution to the problem of the evolutionary approximation of median filters, where the objective is to reduce computational and implementation requirements and simultaneously minimize the error of filtering. Based on the gained knowledge and proposals, the necessary programs have been implemented. Experimental evaluation shows that the proposed method can provide good tradeoffs between the quality of filtering and the implementation cost for median filters.

Arimaa is a strategic board game for two players. It was designed to be simple for human players and difficult for computers. The aim of this thesis is to design and implement the program with features of the artificial intelligence, which would be able to defeat human players. The implementation was realized in the three key parts: evaluation position, generation of moves and search. The program was run on the game server and defeated many bots as well as human players.

This thesis is focused on design of framework for creation an articial opponents in strategy games. We will analyze different types of strategy games and artificial intelligence systems used in these types of games. Next we will describe problems, which can occur  in these systems and why agent-based systems makes better artificial opponents. Next we will use knowledge from this research to design and implement framework, which will act as support for creating an artificial intelligence in strategy games.

This thesis deals with the basic principles of the functioning of the technology of generative design, using the method of topology optimization and finding their potential with the capabilities of the application in the field of furniture design. The main outcome is a functional prototype of a low relaxing chair, which specific construction is designed using the method of topology optimization.

This thesis extends a system of an artificial player of a word-association game Codenames to easy addition of support for new languages. The system is able to play Codenames in roles as a guessing player, a clue giver or, by their combination a Duet version player. For analysis of different languages a neural toolkit Stanza was used, which is language independent and enables automated processing of many languages. It was mainly about lemmatization and part of speech tagging for selection of clues in the game. For evaluation of word associations were several models tested, where the best results had a method Pointwise Mutual Information and predictive model fastText. The system supports playing Codenames in 36 languages comprising 8 different alphabets.

This master thesis deals with the issue of pilot inattention and proposes a design of a system for detecting inattention of general aviation pilots. Inattention belongs to one of the human-caused errors that currently contribute to the most common causes of aviation accidents. The theoretical part deals with the definition of inattention, compares different aviation categories based on flight rules, and contains a search of detection methods. The practical part of the work deals with the selection of suitable sensors, data collection, and implementation of detection algorithms. In this thesis, two different approaches were chosen. The first implementing machine learning using the RUSBoost classifier, which detects states of attention and distraction. The second approach represents the design of a system for detecting pilot inattention based on a set of rules specified in the CLIPS expert system.

This Diploma Thesis deals with analysis of the current processes in small software company. On the basis of the weakness evaluation, the new extensions of the information system are designed. The first extension is new module for on-line sale and cashless on-line payment. The second one is integration of Business Intelligence tools to help streamline marketing strategies of this company.