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Algorithmization of social networking sites and its perception by adolescents
Hegedüš, Tomáš ; Švelch, Jaroslav (advisor) ; Reifová, Irena (referee)
The diploma thesis Algorithmization of social networks and its perception by adolescents deals with the issue of algorithms which lead to personalization of social networks. Their perception by children and adolescents is currently not sufficiently explored. In the theoretical part, I demonstrate how the current studies examine the perception of algorithms on a sample of the entire population, in the context of adolescents how they focus on social networks as a whole. Therefore, the ambition of this thesis is to research the intersection of these three spheres and its impact on adolescent's perception of algorithmisation of social networks. Through qualitative research using the method of semi-structured interviews, this thesis outlines trends that may prevail in this area. An analytical synthesis of knowledge also answers the questions of how adolescents are informed about the possibilities of influencing the selection and sorting of the content and whether they show interest in these possibilities. In the theoretical part, I introduce readers of this work to the issue of new media, how social media developed, including their convergence. Among the researched social networks are Facebook, Instagram and YouTube. To understand the comparison of reality and the statements of the respondents, in the...
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Software Application of Statistical Methods in Data Driven Management
Rádl, Miloš ; Šustrová, Tereza (referee) ; Novotná, Veronika (advisor)
This thesis focuses on the assessment of possibilities in using software application of statistical methods in the field of data driven enterprise management. This includes a practical demonstration in a form of an analysis of telemarketing and an analysis of the work of company call centre. The thesis also contains assessment of the results of said analysis and recommendations based on them, which are aimed to help the enterprise in related endeavors.
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Algorithmization of social media and its effects on online media
Zítko, Tomáš ; Kasík, Pavel (advisor) ; Jirků, Jan (referee)
The rise of social media has changed how growing numbers of internet users get their news. Unlike traditional media, there is no universal information for everyone on social networking sites. Instead, each user receives a personalized sample of posts picked for him by a filtering algorithm. The workings of those two types of information selection are the main topic of this paper. Based on the gatekeeping theory, I offer models of editorial and algorithmic news selection and their comparison. I also compare different values of human and algorithmic gatekeepers and introduce the concept of objectivity and its limits in both cases. In the second part of this thesis, I present qualitative research into the awareness of the Facebook algorithm. Using semi-structured interviews with seven Facebook users I explore a set of specific examples of how users view Facebook as an information source, how they understand its algorithmic nature, and how satisfied are they with it. The main aim of this theses is to investigate whether the users are aware if various limitations resulting from the news-filtering technology in general.
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Algorithmization of social media and its effects on online media
Zítko, Tomáš ; Kasík, Pavel (advisor) ; Jirků, Jan (referee)
The thesis Algorithmization of social media and it's effects on online news consumption examines the transition of social networking sites from chonological display of posts to automatized system of relevance assignment. This assesment is realized through algorithmic filters, which uses predefined criteria and processes to assign relevance to individual posts. Main goal of this thisis is to define compare a theoretical model of mechanized selection with traditional editorial model, together with user understanding of Facebook algoritmization. The thesis combines a theoretical part, which presents the specifics of both models, with qualitative research with aims of the conceptualization of user's understanding of the algoritmized nature of Facebook. The theoretical section also integrates algoritmic filters with the current gatekeeping theory, compares news and algorithmic values and describes the basic biases, which may occur in the two models of information selection. The second part of the thesis explores the user understanding of Facebook algorithmization. The methodology is based on qualitative research with case study design through semi-structured interviews with seven Facebook users. Interview analysis is based on predefined body of subjects: general information, understanding of algorithmization and...
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The Development of Algorithmic Thinking among the Pupils of Lower Secondary Schools
Fiala, Jan ; Vaňková, Petra (advisor) ; Novák, Jaroslav (referee)
The diploma thesis deals with the development of algorithmic thinking among the lower-secondary students as one of their digital competences. It is based on the principle of algorithmic thinking related to the concept of computational thinking and it searches for the ways how to develop it in pupils. The theoretical part is supported by Skinner's concept of programmed learning and with the help of gamification proposes the research based on the students' observation in one school year in which the competence is developed. The raised issue is solved by setting a complex set of teaching materials and learning activities (both in the digital environment and unplugged activities) and their partial transfer into the teaching to a virtual, algorithmic environment of the specially designed application called Prográmko. The goal of the thesis is the analysis of the possibilities of how to include the gamification and the programmed learning into the practice of the development of algorithmic thinking taught at the lower-secondary schools. The research also evaluates the applicability of the application Prográmko and the proposed set of materials provided with methodological guidelines in the practice.
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Engagement of Ozobots in teaching algorithmization and computer science thinking
Yaghobová, Anna ; Forstová, Lenka (advisor) ; Töpfer, Pavel (referee)
Presently, there is a significant tendency of using educational robotics in Computer Science classes. The main purpose of my thesis is a.n introduction of Ozobot as a. tool for education. Va.rious excercises and methodical materials are also included. \Ve are not dealing with a full collection of excercises rather with samples concerning individual problems connected with algorithm educat.ion. Overally, t.here is twelve examples. Six oť them are ťocnsed on programming Ozobot with use oť colorťul OzoCodes on paper. The remaining six examples are ťocused on programming Chobot using special code editor OzoDlockly. l'vientioned excercises are int.eded for upper grades of Element.ary school and :diddlc school respectivcly.
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Programming at elementary school
Vinický, Radek ; Štípek, Jiří (advisor) ; Černochová, Miroslava (referee)
The diploma thesis deals with the teaching of programming at elementary schools in the Czech Republic. The theoretical part of the thesis focuses on mapping the current state of the teaching of programming at elementary schools. In addition, the currently used resources to support the teaching of algorithmization and programming for children are mapped. These resources are evaluated by selected evaluation criteria. On the theoretical basis of thesis, a teaching model focused on programming is designed as a practical output, including learning materials and a methodological manual for teachers. The design of the model of teaching is verified in practice.
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Examining the formation of ideas and learning about some programming concepts in the primary school
Čuma, Radek ; Černochová, Miroslava (advisor) ; Vaňková, Petra (referee)
This diploma thesis maps pupils' understanding about a functional principle of using commands along with testing conditions (IF, IF - THEN, REPEAT - UNTIL, etc.) when creating algorithms. The main aim of the thesis is to design and implement a set of lessons and a teaching approach based on a theory about learning of algorithmic concepts at primary education for pupils (aged in 9-11) with the intention of verifying a functionality of designed teaching procedures and their possible impacts on pupils' understanding. Data was collected through continuous monitoring of pupils' behavioural characteristics, progress and solution of chosen tasks, video recordings of task solving within the suggested unplugged activities, using a virtual tool Code.org for monitoring of a pupils' progress, audio recordings of interview with pupils, and photographs capturing a creation of own blocks of commands set up by a transcription from pupils' mother language into a machine language (programming language) have all been used for a verification process of the designed teaching approach. By combining the acquired data sets, adjustments of these procedures have been made in order to eliminate the most frequent problems that pupils have encountered during teaching. The case study findings revealed that it is important for...
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Fluid-structure interaction
Kosík, Adam ; Feistauer, Miloslav (advisor) ; Richter, Thomas (referee) ; Fürst, Jiří (referee)
In this thesis we are concerned with the numerical simulation of the in- teraction of compressible viscous flow and an elastic structure in 2D. For the elastic deformation we use a 2D linear model and nonlinear St. Venant- Kirchhoff and neo-Hookean models. The flow is described by the compressible Navier-Stokes equations written in the arbitrary Lagrangian-Eulerian (ALE) form in order to take into account the time-dependence of the flow domain. The discretization of both the flow problem and the elasticity problem is re- alized by the discontinuous Galerkin finite element method (DGM). We focus on testing the DGM applied to the solution of the flow and elasticity prob- lems. Furthermore, we discuss the coupling algorithm and the technique, how to deal with the deformation of the computational domain for the fluid flow problem. Our work is motivated by the biomedical applications. Numerical experiments include numerical simulation of vibrations of human vocal folds induced by the compressible viscous flow.
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Some approaches to the conceptual development of the principles of computer programming in SCRATCH in primary and middle school aged pupils
Šandová, Hana ; Černochová, Miroslava (advisor) ; Novák, Jaroslav (referee)
TITLE: Teaching approaches to pupils' concept development about computer programming in SCRATCH AUTHOR: Bc. Hana Šandová DEPARTMENT: Department of information technology and education SUPERVISOR: Doc. RNDr. Miroslava Černochová, CSc. ABSTRACT: This thesis deals with perceptions of pupils about how computers and computer programs work. The main objective is to inquire of pupils (ISCED-2) about how computer and computer programs work, and what ideas influence them. The theoretical part focuses on the history of the use of computers in teaching and an analysis of current approaches to teaching computer science and programming in the Czech Republic and in selected European countries. The practical part is devoted to mapping concepts of pupils aged 11-14 years involved in a teaching experiment organized at two schools in Prague, the aim of which was to examine the impact of teaching programming in "Scratch" over one semester in relation to pupil's ideas about how a computer works and in terms of the development of pupil's computational thinking. KEYWORDS: pupil's imagination, algorithm, programming, computational thinking, Scratch
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