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Pragmatic aspects of communication with chatbots
Kopecký, Michal ; Krhutová, Milena (referee) ; Haupt, Jaromír (advisor)
Chatboti, programy schopné komunikovat s člověkem, jsou v posledních letech více a více oblíbení. Ale protože je umělá inteligence velmi složitá vědecká disciplína, je obtížné vybudovat robota, který by se v komunikaci podobal člověku. Tato práce poskytne stručný úvod do teorie chatbotů, kde a jak jsou využíváni, a technologie Zpracování přirozeného jazyka. Krátce bude popsáno několik chatbotů, společně s příkladovými konverzacemi. Hlavní důraz bude kladen na pragmatickou stránku konverzace s chatboty, zejména na dodržování konverzačních maxim a kooperačního a zdvořilostního principu. Získané poznatky budou názorně předvedeny na analýzách dialogů s chatbotem ve druhé části práce.
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Web application for keyword-aware walking route search
Zhukov, Dmitry ; Nečaský, Martin (advisor) ; Kopecký, Michal (referee)
Most mainstream web mapping applications implement location-based direction search. The typical workflow involves constructing an explicit sequence of places to visit. In this thesis, we aim to develop a web application that lets users formulate search queries in terms of categories, each composed of a keyword and attribute filters. A resulting route passes through at least one place from each category. The search procedure is formalized as a variant of the generalized Traveling Salesman Problem and solved with the help of polynomial-time heuristics. The application follows the three-tier architecture pattern. The frontend is imple- mented as a single-page application written in TypeScript using the React library, while the backend is programmed using the ASP.NET framework. We utilize the Open- StreetMap dataset and two knowledge graphs, Wikidata and DBPedia, as the basis for the conceptual model. Data is preprocessed and stored in MongoDB, which also serves as an efficient index. The OSRM routing engine helps calculate shortest paths and estimate network distances. Last but not least, the application stores user data in a decentralized way, either in IndexedDB or a Solid pod. The former is a standardized in-browser database, while the latter is part of an emerging technology that gives users control over...
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Application for management of map object collections
Bojačko, Martin ; Nečaský, Martin (advisor) ; Kopecký, Michal (referee)
The main goal of this thesis is to design, implement and test a web application that is used for searching and managing map objects. The application is inspired by successful projects such as Google Maps, OpenStreetMap and Mapy.cz, but it is also enriched with new functionalities. The application provides users with various options for searching map objects based on category selection, defining an area and application of different filters. The user can save map objects to one of his collections and subsequently man- age the saved map objects. For each saved map object, the application allows defining the visit time or adding notes. Additionally, the application provides information about individual map objects, such as an image, description, or a link to a Wikipedia article about the given object. The Wikidata project was chosen as the data source. Informa- tion about map objects is obtained from Wikidata using SPARQL queries. These queries were sent to the Wikidata Query Service through the SPARQLWrapper library, which also extracted the data. The acquired data was stored in a MySQL database. The appli- cation is implemented as a Single-page application, using the React library for the user interface and the Flask library for the server-side. The user interface of the application is written in TypeScript,...
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Bucket elevator for transporting glass shards
Kopecký, Michal ; Malášek, Jiří (referee) ; Škopán, Miroslav (advisor)
This bachelor's thesis deals with the functional design of a bucket elevator for transporting glass shards with a lifting height of 10 meters and a nominal transport capacity of 60 tons per hour. The research part provides a brief introduction to the issues of bucket elevators and the current market for such elevators. In the subsequent sections, functional calculations are performed, and the selection of individual components is made. Lastly, the strength calculation of the drive shaft and sealing rings, as well as the bearing life assessment, are conducted. The thesis includes accompanying drawing documentation.
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Cryptocurrency price prediction
Harmanec, Nik ; Kopecký, Michal (advisor) ; Pilát, Martin (referee)
The thesis examines how to use trading strategies and indicators from stock markets, that are well-known and used for years, to the new and dynamically growing crypto markets. The goal of the thesis is to design and implement a framework for testing indicators. Test each indicator on historical data of cryptocurrencies. Evaluate the results and suggest a trading strategy to maximize profit. Use the strategy to create a trading bot on a crypto exchange.
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Cryptocurrency price prediction
Harmanec, Nik ; Kopecký, Michal (advisor) ; Pilát, Martin (referee)
The thesis examines how to use trading strategies and indicators from stock markets, that are well-known and used for years, to the new and dynamically growing crypto markets. The goal of the thesis is to design and implement a framework for testing indicators. Test each indicator on historical data of cryptocurrencies. Evaluate the results and suggest a trading strategy to maximize profit. Use the strategy to create a trading bot on a crypto exchange.
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Schema Inference for Multi-model Data
Hricko, Sebastián ; Holubová, Irena (advisor) ; Kopecký, Michal (referee)
In recent years, multi-model databases have become very popular as the individual models better suit the different domains, use cases or scenarios. NoSQL databases are an integral part of the multi-model world of big and variable datasets. While the usage of these databases is relatively simple and functional, in some cases, we lack insight into the structure of the data and the possible interconnection between the data in various databases and different models. This thesis presents a novel approach that generates a schema of the multi-model data concerning the undeclared relationships between the models. Firstly we analyse the existing single-model approaches and point out the main flaws. We then propose the universal multi-model approach and implement it as a proof of concept. 1
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Information System for Retail Grocery Shops
Le, Marek ; Kopecký, Michal (advisor) ; Hauzar, David (referee)
This thesis discuss topic of Grocery shop management software. Primary function is Point of Sale software which is extended by back-office solution including inventory management, management reports, reports required by law etc. Poznámka: SIS píše chybu při nahrávání tohoto souboru, vyžaduje více slov, ale zároveň požaduje abstrakt, což chápu jako kopii abstraktu z odevzdané bakalářské práce. Proto nechávám abstrakt v přesné podobě, jak je uveden v bakalářské práci. Použil jsme doporučený konvertor. Detail chyby: Vybraný soubor BPBC_2010_1__0_229690_0_89245.pdf se nepodařilo uložit Soubor PDF není prohledávatelný. Soubor obsahuje málo slov anebo obsahuje pouze obrázky (problém vzniká nejčastěji při skenování dokumentu bez OCR konverze).
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Index Suitable for Similar Search in High-dimensional Spaces
Krejčová, Martina ; Kopecký, Michal (advisor) ; Skopal, Tomáš (referee)
In this paper, we focus on indexing and searching in high-dimensional data. To achieve the target we implemented the Metric Index, a model of the similarity search based on the metric spaces, that employs many of known principles of partitioning and filtering. The metric space is a general model of similarity, which enables the usage of implemented index for various data. With this index, stored data could be searched effectively. The internal structure of data is hidden, we just require an implementation of the function for feature extraction, which produces a vector representing data, and the metric function applicable to the given data. The Metric Index was implemented as a data cartridge, the mechanism for extending the capabilities of the Oracle server. This data cartridge enables indexing of large unstructured data in the Oracle server known as LOBs.
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Requirement management tool
Jelen, Martin ; Kopecký, Michal (advisor) ; Hoksza, David (referee)
Managing requirements for software projects is a key task throughout the whole lifetime of the project. Recognizing this, it is the goal of the bachelor thesis to design and implement a tool that simplifies and automates requirements management and provides a clear view of the current state of managed projects as well as their history. It is not intented as a single project management solution but rather to be used with other specialized software. Implemented is the ability to capture the managed project's structure and multiple types of requirements (e.g. functional, performance, usability) with clearly defined relationships. The project's representation can further evolve, all previous versions are stored and changes can be reviewed. Data presentation is accomplished with multiple views of requirements and allows to trace changes through the relationships. Finally, the gathered data may be exported in either structured form for further transformation or as user-readable reports. Requirements, their atributes and types, as well as views on the requirements are highly configurable to provide support to projects independent of development methodology used - from agile approaches with minimum administrative documents to more formalized processes such as RUP.
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