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Analysis of the influence of the media on the dissemination of information and disinformation during the virus pandemic
Křivánková, Veronika ; Novotná, Jitka (advisor) ; Sedláček, Jakub (referee)
The master's thesis is devoted to the analysis of the impact of the dissemination of information and disinformation in media about the disease caused by the COVID-19 virus in the Czech Republic in the period 02/2020-02/2021. The aim of the thesis is to analyse selected news portals and identifying the possible impact of the information on the Internet on public behaviour. The purpose of the theoretical part is a brief definition of the basic concepts, mapping the course of information in the Czech Republic and comparison with similar situations from the past. Subsequently, the theoretical part contains a description of the means of communication used to inform citizens about the event. The aim of the practical part is to show how the course of the spread of the COVID-19 virus influenced the traffic to online news websites, what articles appeared in the Internet environment, and finally I focus on the analysis of whether there was a change in the behaviour of citizens in the Internet environment in the form of traffic to news websites, retail sales and changes in work habits.
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The influence of social media and hyperconnectivity on student academic productivity and performance
Altalová, Kristina ; Šlerka, Josef (advisor) ; Sedláček, Jakub (referee)
(in English): The aim of this thesis is to analyze, how exactly the constant connectivity, social media activity, and online presence influences productivity and performance of university students, presumably also their grades. The data used in the analysis and my practical part were collected from a questionnaire translated by me, the source of which was a study created in 2016 (Lau, 2016). The target group of the research were students at Czech universities, regardless of the type or level of study, who actively use social media, often for communication related to their academic preparations. The subject of the research is to find out how social media influences students in their academic activities, and whether the findings that were presented in the source study can also be applied to the dataset collected for this thesis. The final result of the thesis should be mainly new knowledge from this field within the Czech university environment and possible recommendations.
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Religious hemophilia in an environment of social networks
Andršová, Markéta ; Šlerka, Josef (advisor) ; Sedláček, Jakub (referee)
This bachelor thesis focuses on religious homophilia on social network sites. The platform on which the issue is presented is Twitter, which is very suitable due to its extensive using of hashtags used to search for other users' social interests or opinions. The main question of this thesis is to find out whether the principle of homophilia on Twitter among the religious community is present. To confirm the purpose, manual data mining is used. The practical part continues with qualitative research, in which the obtained results are comparted to the answers of the respondents.
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The Role of Technology Teams in Newsrooms
Kodhajová, Nina ; Šlerka, Josef (advisor) ; Sedláček, Jakub (referee)
The thesis deals with the presence of the technology team in various types of newsrooms of investigative journalism. The aim of the work is to find out the degree of representation of the technological component in the Slovak and Czech newsrooms. In case of their absence to find out the work process of journalists in more technologically demanding tasks. The theoretical part introduces the basic terminology of this field and this part is based on the data from quantitative study from 2019 conducted under the auspices of the ICFJ. In the practical part, qualitative research will be carried out in the form of semi-structured interviews with representatives of selected newsrooms.
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Studying the distribution of substituents in derivatives based on hyaluronane
Sedláček, Jakub ; Šatínský, Dalibor (advisor) ; Zimčík, Petr (referee) ; Chmelař, Josef (referee)
Charles University, Faculty of Pharmacy in Hradec Králové Department of Analytical Chemistry Candidate Ing. Jakub Sedláček Supervisor doc. RNDr. Dalibor Šatínský, Ph.D. Title of Doctoral Thesis Studying the distribution of substituents in derivatives based on hyaluronan Derivatives based on hyaluronan have found applications in various areas of medicine. Prepared derivatives are commonly characterized by their molar mass and their degree of substitution, however, such parameters are unable to distinguish among derivatives with different distributions of substituents along the chain, which may exhibit different macroscopic properties. For this reason, methods to determine the distribution of substituents along the chain are needed. The presented thesis deals with the determination of distribution of amino groups in deacetylated hyaluronan. The theoretical part starts with a description of hyaluronan structure and of its derivatives. Next, the application, the preparation, and the characterization of deacetylated hyaluronan are discussed, focusing particularly on its depolymerisation into oligosaccharides using deaminative cleavage or enzymes that degrade hyaluronan. Finally, examples of liquid chromatographic methods used to analyse hyaluronan oligosaccharide are presented. The experimental part...
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Compensation for damage caused by defective product
Sedláček, Jakub ; Josková, Lucie (referee)
79 Summary This diploma thesis deals with selected aspects of product liability. The main aim of this thesis is to conduct critical analysis of aspects related to the concept of product and its defects. The thesis analyses the legal rules contained in Sec. 2939 - 2942 of Act No. 89/2012 Coll., as amended, in the light of the Council Directive 85/374/EEC of 25 July 1985 on the approximation of laws, regulations and administrative provisions of the member states regarding liability for defective product, which is transposed into Czech law by these provisions. Although product liability has been part of the Czech legal order for more than twenty years, it still contains many unclear or controversial issues which are addressed in this diploma thesis. The thesis takes into account analogous legislation in Austria and Germany. The first part of the thesis describes product liability in a general way allowing to understand its purpose and systematics. The second part is devoted to the analysis of the purpose of Directive 85/374 and defines the consequences stemming from its EU origin, which must be taken into account in the interpretation of domestic legislation. The third part contains an analysis of the notion of product and offers a solution to the disputed issue concerning the subordination of intangible items...
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Afterlife of digital user data: analysis of evolution of posthumous data policies on social media
Fléglová, Radka ; Šisler, Vít (advisor) ; Sedláček, Jakub (referee)
This diploma thesis focuses on the topic of posthumous user data management concerning social media platforms. This topic is rarely discussed from the viewpoint of new media studies in academic literature. My thesis endeavours to unveil, contextualize, and critically assess the development of the posthumous data policies in order to uncover the level of control users and survivors have over the deceased users' data. Thus, three case studies of chronological posthumous policy development of major social media (Facebook, Twitter, and LinkedIn) were conducted and results were compared. The analysis has shown that platforms are rather reluctant to change their posthumous policies. One of the primary triggers for change comes from the users' feedback. Across all three cases every platform provided limited or no information about these policies in their terms of use or privacy policies. The case studies demonstrated that users have very limited choices regarding their data after death directly on the examined social media platforms. Individuals who were close to the deceased account users have the ability to request account deletion or have limited access to the account granted by the platform. The level of data preservation demanded by platforms seems dependent on a given social media's communication specificity...
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Afterlife of digital user data: analysis of evolution of posthumous data policies on social media
Fléglová, Radka ; Šisler, Vít (advisor) ; Sedláček, Jakub (referee)
This diploma thesis focuses on the topic of posthumous user data management concerning social media platforms. This topic is rarely discussed from the viewpoint of new media studies in academic literature. My thesis endeavours to unveil, contextualize, and critically assess the development of the posthumous data policies in order to uncover the level of control users and survivors have over the deceased users' data. Thus, three case studies of chronological posthumous policy development of major social media (Facebook, Twitter, and LinkedIn) were conducted and results were compared. The analysis has shown that platforms are rather reluctant to change their posthumous policies. One of the primary triggers for change comes from the users' feedback. Across all three cases every platform provided limited or no information about these policies in their terms of use or privacy policies. The case studies demonstrated that users have very limited choices regarding their data after death directly on the examined social media platforms. Individuals who were close to the deceased account users have the ability to request account deletion or have limited access to the account granted by the platform. The level of data preservation demanded by platforms seems dependent on a given social media's communication specificity...
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Studying the distribution of substituents in derivatives based on hyaluronane
Sedláček, Jakub ; Šatínský, Dalibor (advisor) ; Zimčík, Petr (referee) ; Chmelař, Josef (referee)
Charles University, Faculty of Pharmacy in Hradec Králové Department of Analytical Chemistry Candidate Ing. Jakub Sedláček Supervisor doc. RNDr. Dalibor Šatínský, Ph.D. Title of Doctoral Thesis Studying the distribution of substituents in derivatives based on hyaluronan Derivatives based on hyaluronan have found applications in various areas of medicine. Prepared derivatives are commonly characterized by their molar mass and their degree of substitution, however, such parameters are unable to distinguish among derivatives with different distributions of substituents along the chain, which may exhibit different macroscopic properties. For this reason, methods to determine the distribution of substituents along the chain are needed. The presented thesis deals with the determination of distribution of amino groups in deacetylated hyaluronan. The theoretical part starts with a description of hyaluronan structure and of its derivatives. Next, the application, the preparation, and the characterization of deacetylated hyaluronan are discussed, focusing particularly on its depolymerisation into oligosaccharides using deaminative cleavage or enzymes that degrade hyaluronan. Finally, examples of liquid chromatographic methods used to analyse hyaluronan oligosaccharide are presented. The experimental part...
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Compensation for damage caused by defective product
Sedláček, Jakub ; Josková, Lucie (referee)
79 Summary This diploma thesis deals with selected aspects of product liability. The main aim of this thesis is to conduct critical analysis of aspects related to the concept of product and its defects. The thesis analyses the legal rules contained in Sec. 2939 - 2942 of Act No. 89/2012 Coll., as amended, in the light of the Council Directive 85/374/EEC of 25 July 1985 on the approximation of laws, regulations and administrative provisions of the member states regarding liability for defective product, which is transposed into Czech law by these provisions. Although product liability has been part of the Czech legal order for more than twenty years, it still contains many unclear or controversial issues which are addressed in this diploma thesis. The thesis takes into account analogous legislation in Austria and Germany. The first part of the thesis describes product liability in a general way allowing to understand its purpose and systematics. The second part is devoted to the analysis of the purpose of Directive 85/374 and defines the consequences stemming from its EU origin, which must be taken into account in the interpretation of domestic legislation. The third part contains an analysis of the notion of product and offers a solution to the disputed issue concerning the subordination of intangible items...
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