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Analysis of Product Reviews
Klocok, Andrej ; Doležal, Jan (referee) ; Smrž, Pavel (advisor)
Online store customers generate vast amounts of product and service information through reviews, which are an important source of feedback. This thesis deals with the creation of a system for the analysis of product and shop reviews in the czech language. It describes the current methods of sentiment analysis and builds on current solutions. The resulting system implements automatic data download and their indexing, subsequently sentiment analysis together with text summary in the form of clustering of similar sentences based on vector representation of the text. A graphical user interface in the form of a web page is also included. A review data set with a total of more than six million reviews was created during the semester along with an interface for easy data export.
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Analysis of Municipal Solid Waste Composition
Novák, Michal ; Kropáč, Jiří (referee) ; Šomplák, Radovan (advisor)
This diploma thesis provides extensive research of municipal solid waste studies and methodologies from all over the world. Firstly, the studies are described in general and then divided into several groups depending on the principle of their working practices, including their advantages and disadvantages. Secondly, the studies are divided by geographic areas. The results of the individual studies are presented and compared. Based on the findings in the thesis, appropriate methodology for municipal solid waste analysis in the Czech Republic is proposed.
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Reduction in House Prices due to Humidity
Ocásek, Petr ; Šmahel, Milan (referee) ; Weigel, Lubomír (advisor)
Diploma work "Problems of house price reduction due to defects manifested with damp" deals with the issue of property valuation and subsequent sale of the defect. The first chapter describes valuation and other important factors relating to the Act valuation. The second chapter deals with the necessary documentation for property valuation and basic terminology. The third section deals with defects that could occur in the residential building as well as their possible correction. Another part of this work is focused on the actual valuation of the object to a defect with property damage and the last chapter deals with the actual real estate market and the subsequent sale of such property with the defect. The attachments of the case study is then focused on the valuation of the house and without defects and possible solutions and proposed procedures for sale.
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The price of electricity and the choice of appropriate distribution rate
Hromek, Lukáš ; Ptáček, Michal (referee) ; Macháček, Jan (advisor)
This work is focused on the price of electricity, components that compose and factors affecting this price. Includes brief overview of energy legislation, namely to the rights and obligations of distributors of electricity, energy traders and customers. Furthermore, the work deals with the researches of the energy market in the Czech Republic, the different rates of selected suppliers and evaluating their suitability for the customer.
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Testing of Surge Arresters
Jeřábek, Lukáš ; Paar, Martin (referee) ; Krbal, Michal (advisor)
This bachelor's thesis is devoted to metal oxide surge arresters. After historical and theoretical introduction, which explains their principles and describes their characteristical properties, analysis of the standard IEC 60099-4 and testing according to the standard with focus on the type tests follows. This chapter is also amended with review of the standard's imperfections and with its most probable future development. The work concludes with a market survey, a review of the largest manufacturers and a comparison of their products.
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Methods of building price determination
Pěnčíková, Kateřina ; Vázlerová, Marcela (referee) ; Tichá, Alena (advisor)
This thesis defines the methods of building price determination. In my work I tried to explain the concepts related to budgeting and valuation, to describe and use methods for determining specific prices for my chosen family house in the town Bílina. The first part is used to get acquainted with the terminology related to the creation of the budget and the use of valuation methods in construction. I also tried to describe the principles and rules of budgeting and specific valuation methods, which I used on my chosen family house. The second part contains a practical solution to the problem. First, I create a budget in the budget program BUILDpowerS and then, here I use valuation methods and create prices for a family house. Finally, I compared the prices, which were created using valuation methods and the created budget, evaluated and its subsequent use.
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Energy consumption of equipressure and various pressures technical alcohol distillation
Audy, Dan ; Leštinský, Pavel (referee) ; Smejkal, Quido (advisor)
This hork compares the heat consumption of two units for the production of technical alcohol. The aim is to compare ordinary arrangement of rectifying distillery with an alternative arrangement, based on a modified pressure device profile. The first unit is based on the classic arrangement brewhouse, working at atmospheric pressure. The alternative unit works with different pressures in columns. In this case, the pressures are chosen so that it was possible to use heat from the head of overpressure rectification column for reboiler of vacuum mash column. The principle of pressure differences between the two columns and appropriate choice for this difference also allows the beneficial use of surplus heat. It also reduces the risk of clinkering incrusts in reboiler mash column because this works at lower temperatures than the mash column atmospheric embodiment. The comparisons of the media in this work are: The amount of steam used for reboilers of both columns, the amount of cooling water used for condensation and cooling of process streams. Furthermore, an approximate estimate of electricity consumption for pumps and other machinery. For both units is considered the same amount of mash and the same amount of product of comparable quality. The product was a technical alcohol 96.4% aa at a temperature of 25 ° C.
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Production Building in Brno - Řečkovice
Horut, Jakub ; Jeneš, Rostislav (referee) ; Podroužková, Božena (advisor)
The design of the monolithic reinforced concrete horizontal supporting structures on the first deck above of a three-storey building is the aim of this bachelor thesis. Horizontal supporting structures consist of continuous slab of three fields heralded by girders in the longitudinal direction. In the static calculation, there are the ceiling slab, one girder, two angled slabs of staircase and the landing designed and evaluated. Structure was designed to fulfill especially functionality and to be economical. The drawings are the part of the work.
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