|
|
Large Graph Data Visualisation on the Web
Jarůšek, Tomáš ; Bartík, Vladimír (referee) ; Burget, Radek (advisor)
Graph databases provide a form of data storage that is fundamentally different from a relational model. The goal of this thesis is to visualize the data and determine the maximum volume that current web browsers are able to process at once. For this purpose, an interactive web application was implemented. Data are stored using the RDF (Resource Description Framework) model, which represents them as triples with a form of subject - predicate - object. Communication between this database, which runs on server and client is realized via REST API. The client itself is then implemented in JavaScript. Visualization is performed by using the HTML element canvas and can be done in different ways by applying three specially designed methods: greedy, greedy-swap and force-directed. The resulting boundaries were determined primarily by measuring time complexities of different parts and were heavily influenced by user's goals. If it is necessary to visualize as much data as possible, then 150000 triples were set to be the limiting volume. On the other hand, if the goal is maximum quality and application smoothness, then the limit doesn't exceed a few thousand.
|
|
|
Displaying 3D Graphics in Web Browser
Sychra, Tomáš ; Kršek, Přemysl (referee) ; Španěl, Michal (advisor)
This bachelor's thesis deals with display of accelerated 3D graphics in a web browser environment. Existing technologies such as WebGL are presented and discussed. Further, in the second part of the thesis, an application for browsing medical volumetric data is designed and implemented. The application is built with the WebGL technology and Javascript graphics engine called O3D API.
|
|
|
Better JShelter System Testing
Konečný, David ; Hranický, Radek (referee) ; Polčák, Libor (advisor)
This thesis deals with the proposal of improving and implementation the system tests of the JShelter project. The system tests of the JShelter project contain certain shortcomings that will be removed. Furthermore, the system tests will also be improved and expanded with new functionalities based on website analysis methods. As part of this thesis, a new website crawling mechanism will also be proposed based on the already existing mechanism of Marek Schauer. This mechanism will be based on OpenWPM, Selenium and Kubernetes. Improved system tests will also be integrated into this mechanism. This mechanism will be implemented. The results obtained using this mechanism will also be evaluated.
|
|
|
Reduction of CentOS operating system
Kluka, Peter Milan ; Jablončík, Lukáš (referee) ; Komosný, Dan (advisor)
Táto práca slúži ako podporný materiál pre predmet Sieťové operačné systémy a ako pomocný materiál pre realizáciu projektu v rámci tohto predmetu. Účelom tejto práce bolo vykonať redukciu operačného systému z hľadiska jeho veľkosti na disku. Zadaným operačným systémom bola Linuxová distribúcia CentOS Stream 8. Redukovaný operačný systém obsahuje grafický web prehliadač, PDF prehliadač dokumentov a je dostupný pomocou vzdialeného pripojenia SSH. Práca porovnáva veľkosti odporúčaných grafických rozhraní a aplikácií. Na základe analýzy bol vytvorený skript, ktorý zautomatizoval proces minimalizácie. Výsledná veľkosť redukovaného systému bola 650 MB.
|
|
| |
|
|
Interactive Visualization of Large 3D Graphics in Web Browser
Ludvík, Martin ; Vlnas, Michal (referee) ; Španěl, Michal (advisor)
This bachelor thesis deals with rendering data-intensive scenes in a web browser. The resulting application interactively displays point clouds in a web browser using javascript API WebGPU. WebGPU makes the application more powerful than WebGL-based applications. The user interface is created using basic CSS and Javascript. It is possible to work with point clouds containing hundreds of billions of points. At the same time, the user is allowed to change the source of the appearance of individual points.
|
|
| |
|
| |
|
|
Reduction of CentOS operating system
Kluka, Peter Milan ; Jablončík, Lukáš (referee) ; Komosný, Dan (advisor)
Táto práca slúži ako podporný materiál pre predmet Sieťové operačné systémy a ako pomocný materiál pre realizáciu projektu v rámci tohto predmetu. Účelom tejto práce bolo vykonať redukciu operačného systému z hľadiska jeho veľkosti na disku. Zadaným operačným systémom bola Linuxová distribúcia CentOS Stream 8. Redukovaný operačný systém obsahuje grafický web prehliadač, PDF prehliadač dokumentov a je dostupný pomocou vzdialeného pripojenia SSH. Práca porovnáva veľkosti odporúčaných grafických rozhraní a aplikácií. Na základe analýzy bola vytvorená sada skriptov, ktorá zautomatizovala proces minimalizácie. Výsledná veľkosť redukovaného systému bola 678 MB.
|
|
| |
guest ::
