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User anotation of web resources using microformats
Toušek, Jiří ; Vojtáš, Peter (advisor) ; Dědek, Jan (referee)
This thesis explores the feasibility of using the principles of user-assisted annotation for semantic annotation of web resources using microformats. The main concept explored is the approach using the user assistance not to mine the data but to create a set of "annotation rules" that could then be used repeatedly to annotate the target data, without requiring further user assistance. The thesis considers multiple ways to represent these annotation rules. An important attribute of this approach is a chance these annotation rules could withstand changes in the data annotated as well as minor changes in the web resource structure. A prototype implementation is created as a part of this thesis on which these concepts are then verified.
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Photovoltaic silicon solar cells: study of materials and solar structures by the method of Fourier photoconductive spectroscopy
Holovský, Jakub ; Toušek, Jiří (advisor) ; Hlídek, Pavel (referee)
The use of Fourier transform infrared spectrometer for the measurement of Fourier Transform Photocurrent Spectroscopy (FTPS) has been recently reported and it is basis of this thesis. The main task of the thesis is extension of the FTPS to Surface Photovoltage (SPV) method. This method gives an unique possibility to evaluation of effective diffusion length L and effective surface recombination velocity (SRV) for thin or non-symmetrical semiconductor structures that can't be measured by standard techniques. These parameters play key role in good performance of solar cells absorbers. The experiments were carried out on c-Si material with surface passivated by silicon nitride. Sample is illuminated from the passivated side and the SPV signal is detected between the back capacitive contact and non-illuminated ohmic contact. One-dimensional continuity equation is solved to fit the measured spectrum. We have to ensure linearity of measured signal versus incident light intensity and account for frequency dependence. One measurement takes 30 seconds - that enables arbitrary variations. The influence of surface barrier height on SRV was assumed and additional constant illumination (light bias) was used to investigate its behavior and new relations were found. Beside SPV new elegant technique for interference...
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Valuation of company Lesní společnost Broumov Holding, a. s.
Sichrovský, Chananel ; Štamfestová, Petra (advisor) ; Toušek, Jan (referee)
The aim of this master thesis is to estimate the value of the company Lesní společnost Broumov Holding, a. s. as of the valuation date 01/01/2016. The thesis consists of two main parts, theoretically-methodological and related practical part. For accomplishing the objective, the strategical and financial analysis were made, also the main generators of the value were identified and scheduled and the financial plan was composed. The valuation itself was realized by three different methods that were afterwards calculated together which resulted into final estimation of the company's value, that reaches 147 024 thousand Czech crowns. The thesis is usable as a full overview of the company's situation and may be also helpful to the owners as a base for price negotiations, in case of potential investor's interest in buying it.
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