National Repository of Grey Literature 405 records found  1 - 10nextend  jump to record: Search took 0.00 seconds. 
Digital footprint on the Facebook social network
Rainová, Denisa ; Lipková, Helena (advisor) ; Sedláček, Jakub (referee)
This thesis deals with the problem of digital footprint on Facebook in an entire context, taking into account both the history and legal aspects and the personal experience of Facebook users. This study aims to further approximate the possibilities of dealing with digital footprint and examines the role and impact of setting up an account with preceeding experience based on Facebook friends who have died and left an active account behind. The research part is based on a qualitative research method in the form of a semistructured interview with 14 users and compares the knowledge of everyday users in this field.
Functionalized hyper-cross-linked porous polyacetylenes
Havelková, Lucie ; Sedláček, Jan (advisor) ; Brožek, Jiří (referee) ; Balcar, Hynek (referee)
An atom-economic one-step chain-growth coordination homopolymerization providing high yields of functionalized hyper-cross-linked polyacetylenes with permanent micro/mesoporous texture and specific surface area up to 1062 m2 /g was introduced and optimized. Substituted 1,3-diethynylbenzenes served as monomers simultaneously providing functionalization and hyper-cross-linking of the networks. The homopolymerization was compatible with the heteroatom groups of the monomers and allowed to prepare polyacetylene networks with the wide spectrum of univalent functional groups: -F, -Cl, -Br, -NO2, -COOCH3, -CH2OH, -COOH and -CH=O decorating the aromatic segments of the networks in a high extent (7.87 mmol/g). A novel two-step synthesis of functionalized hyper-cross-linked polyacetylenes was introduced combining chain-growth coordination polymerization of acetylenic monomers and covalent templating using acetal and Schiff base protecting groups. By postpolymerization hydrolytic removal of the protecting segments from the primary networks, the networks with a high content (up to 9.61 mmol/g) of univalent functional groups -CH2OH, -CH=O and -NH2 were prepared. These groups were placed either on the cross-linking or linear (aromatic and aliphatic) network segments, even in the vicinity of the main...
Queer users of dating apps during the COVID-19 pandemic
Ráček, Vojtěch ; Sedláček, Jakub (advisor) ; Šlerka, Josef (referee)
This bachelor thesis focuses on queer users of dating applications during the COVID-19 pandemic and how queer people have been making connections throughout history overall. The goal of this thesis is to showcase how socializing of queer people has been changing, how the usage of various types of media has influenced it and also how the covid pandemic affected it. The theoretical part looks into the deep history of socializing, specifically in the Czech cultural setting and its queer community. Then it presents a variety of the most popular dating applications and describes their unique attributes. The research part includes a selection from semi-structured interviews that have been done with six queer Czech people, each with a unique background. These six people were selected for the fact that they have been active users of dating applications before, during and "after" the COVID pandemic. It reflects their usage of dating applications, their experiences and what are the factors that affect their user habits the most. The results give us some insight into the reality of how it is to be queer and a user of a dating app in the COVID pandemic, specifically in the Czech Republic. Keywords dating applications, queer community, COVID-19, Tinder, Grindr
Non-extremist coordinated activism of young people on social networks (case study of Danuše Nerudová`s volunteers)
Sandtnerová, Michaela ; Šlerka, Josef (advisor) ; Sedláček, Jakub (referee)
This thesis focuses on the non-extremist coordinated activism of young people on social networks using the example of Danuše Nerudová's volunteers. In the first part, it defines online activism and its forms and hybrid activism as a widely used type of activism. It then describes young people and their relationship to activism and explains the focus of the work on this age group. Last but not least, it also looks at coordinated behaviour, both authentic and inauthentic. As part of the qualitative research, the thesis focuses on Danuše Nerudová's volunteers, with whom in-depth semi-structured interviews were conducted to find out what activities the volunteers were doing, how they felt about it and whether they were coordinated voluntarily or vice versa. Data analysis revealed that volunteers performed all social media activities completely voluntarily and under their own name and social media profile. At the same time, the coordination by Danuše's team was carried out in a non-extremist manner. The work helped in the initial understanding of the phenomenon of non-extremist coordinated activism in the Czech Republic in the context of political campaigns and can serve as a basis for further research on this phenomenon.
Comparative analysis of published projects Show & Tell on Quantified Self website
Kroupová, Lenka ; Fiala, Jakub (advisor) ; Sedláček, Jakub (referee)
The subject of this bachelor's thesis are Show & Tell presentations of projects published on the Quantified Self movement website. These presentations are about personal self-tracking projects of the members of the Quantified Self movement. The thesis focuses on the selection of the method of self-tracking and the satisfaction with the selected method. The aim of this thesis is to determine, whether the authors of the projects were satisfied with the first chosen method of self- tracking and if they were not, what were the reasons for their dissatisfaction. In the theoretical part, self-tracking, technologies used for self-tracking and motivation for self-tracking is being shortly introduced. Furthermore, this part presents the Quantified Self movement, with focus on the members and their Show & Tell projects. In the part of the research are presented the results of the comparative analysis of the chosen Show & Tell projects. There are summarized common traits of projects of which authors were satisfied with the first chosen method of self-tracking. The reasons and the causes of dissatisfaction are being discused with the help of specific cases in the scope of the projects chosen for this thesis.
Exploring YouTuber Popularity: A Quantitative Analysis of Communication Styles among Black Beauty YouTubers with Varying Follower Counts
Wang, Qiufei ; Hájek, Martin (advisor) ; Sedláček, Jakub (referee)
This research aims to investigate whether there are differences in the communication styles among black beauty vloggers with different popularity. Specifically, the study intends to examine the possible differences using the first five elements of Dell Hymes's SPEAKING model, including setting and scene, participants, ends, act sequence and key. The findings suggest that there are no notable distinctions between black beauty vloggers in terms of the setting and scene, the number of participants in the vlogs, and their sequence of intro- discussion-outro. But unfortunately, the differences in the usage frequency of black-related terms, the presence of black-related purposes, and the overall tone are still inconclusive as the results from the Advanced and Beginner groups are contradictory. As no conclusive results were found to support the existence of differences in these three aspects among black beauty vloggers with varying follower counts, the study argues that vloggers with varying audience sizes have mostly the same communication styles.
Digital Discourse Analysis of Posthumanism in Open Access Academia
Sen, Shivam ; Hájek, Martin (advisor) ; Sedláček, Jakub (referee)
Digital Discourse Analysis of Posthumanism in Open Access Academia Abstract In light of Human actions leading to an earth wide ecological breakdown it is importance to reflect upon the construction of the notion of 'Human' and how people's ideas of 'their being' is evolving and changing. At the same time, there has been a recent emergence of the term 'Posthuman' in academic literature. In a very general form, the term is implying something that is after 'human'. However, due to its newness it is yet ambiguous. Thus, this paper conducts a digital discourse analysis to identify the different senses of the term as used in open access academia, investigates the other important objects in the discursive sphere and describe the power configuration in the discursive sphere. Findings suggests three major senses of the term, (1) 'Posthuman processes'. (2) 'Posthuman beings' and (3) 'Posthuman perspectives'. Salience of 'novel socio- technical processes', 'human enhancement technologies' and 'new perspectives of beings' is found in the discursive sphere. Further, influential or powerful authors and ideas in the sphere are also identified.
Selected Issues of Motorcyclist's Behavior
Sedláček, Jan ; Bradáč, Albert (referee) ; Semela, Marek (advisor)
This thesis focuses on the braking systems of modern motorcycles. It describes the design details mainly concerning braking systems, ABS, semi-active chassis, but also the MSC stability control system. The experimental part deals with the measurement, analysis of the braking decelerations of motorcycles and evaluation, among others, whether the ABS system reduces the braking distance on dry road. Nine motorcycles were used to measure this issue. All models tested had ABS or the newer ABS system with built-in MSC stability control. Braking progress was analysed from initial speeds of 50 and 70 km/h to a straight-line stop with ABS applied and with ABS deactivated. The results were plotted graphically and can be used to provide information about the actions of the rider and the motorcycle itself. Braking distances, MFDD, initial speeds were calculated. In this study, the video recordings of braking are analyzed and compared with the measured data. The data can be useful for the analysis of single-track vehicle accidents.
Big Social Data and the Study of Celebrity Fandom
Sedláček, Jakub ; Numerato, Dino (advisor) ; Špaček, Ondřej (referee) ; Mikuláš, Peter (referee)
This thesis provides a novel view of celebrity fandom through the lens of big social data, while at the same time exploring the opportunities and challenges of using digital traces from social media for sociological research. The first chapter provides a sociological framing of celebrity, a short, joint history of celebrity and the media, and a discussion of the revolutionary role that social media and its platforms played in celebrity culture. Finally, it attempts to bridge theories related to celebrity's role in society with research on "lifestyle politics", "polarization", "taste cultures" and "lifestyle enclaves". The second chapter serves as an introduction into big social data and digital trace data. First as a socio-technological phenomenon, then as a research tool. It covers its historical and current availability and discusses its epistemological and practical opportunities, limits and dangers. Finally, it introduces Facebook pagelikes as a valuable source of information on lifestyle politics. Chapter three is an exploration of Facebook digital traces of 90k celebrity followers. It asks whether celebrity preferences are related to differences in various aspects of life, including politics, leisure or cultural consumption. Methodologically, it covers combining data from APIs with web scraping and...
The effect of the development of supply parameters on the selling price of houses
Jandásková, Tereza ; Schneiderová Heralová, Renáta (referee) ; Sedláček, Jan (referee) ; Cupal, Martin (advisor)
The dissertation thesis deals with the development of supply parameters, specifically, time on market ("TOM") and the share of the initial asking and selling price IP. In the research carried out as part of this thesis, the asking prices are monitored for the duration of their time on the market until the realization of the transaction as indicators of the market efficiency. As part of the microeconomic research, a database of houses in the district of Brno – venkov is created with 631 completed transactions, where the asking price, selling price, time on market including individual changes in the asking price during the time on market and other relevant characteristics of the individual houses is being tracked. A total of 39 variables were monitored. The primary output of the thesis is the creation of a functional statistical model applicable in microeconomic Czech conditions together with the proposed process model. Another output of the dissertation thesis is the influence of the technical condition on the selling price of houses including defining all significant price-setting factors on the selling price. Statistical tests confirmed the significant influence of the technical condition variables on the selling price. In addition to the recommended values for use in determining the market value price, the work also contains parametric equations for both investigated variables. The first variable examined in more detail was IP, which was examined based on the binary variable "price change" by a logit model. The results point to a primary effect of the time on the market, which, however, is not uniform. The second research variable was TOM, which was examined using a 2SLS model due to its endogenous relationship to selling price. The practical application of the dissertation thesis is in increasing the efficiency and accuracy in estimating the market value of real estate based on the comparative valuation method (SCA - Sales Comparison Approach) in the investigated market segment and selected location. As well as increasing their reviewability and transparency, valuation reports, estimates and expert opinions.

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