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Reconstruction of Captured Communication on iOS Platform
Letavay, Viliam ; Kmeť, Martin (referee) ; Pluskal, Jan (advisor)
These days our mobile devices along with social networks are giving us an opportunity to be in touch with our friends and family at any time. Howerver they could be also used for criminal activity. This thesis therefore deals with reconstruction of communication of the iOS applications Google Hangouts, Twitter and Facebook Messenger for use of forensics analysis with the main focus on an abillity to recover their chat communication. Later it also deals with the implementation of Netfox Detective tool extensions, allowing the reconstruction of this communication.
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Algorithmic Trading Using Twitter Data
Kříž, Jakub ; Plchot, Oldřich (referee) ; Szőke, Igor (advisor)
This master's thesis describes creation of prediction system. This system predicts future market development based on stock exchange data and twitter messages analysis. Tweets from two different sources are analysed by mood dictionaries or via recurrent neural networks. This analysis results and technical analysis of stock exchange data results are used in multilayer neural network for prediction. A business strategy is created and tested based on results of this prediction. Design and implementation of prediction system is described in this thesis. This system achieved revenue increase more than 25 % of some business strategies by tweets analysis. However this improvement applies for certain data and timeframe.
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Team-Based Microblogging Service
Krutiš, Tomáš ; Šolony, Marek (referee) ; Kajan, Rudolf (advisor)
This master's thesis focuses on the creation of microblogging services for teams. The thesis describes the research and analysis of current microblogging services and finding their strength and weaknesses. Based on the analysis is designed new service which focuses on communication between team members. It is also discussed implementation of the proposed service and on the conclusion are summarized future extensions to improve this service.
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Application of Social Media Networks in Marketing Communication
Hubáček, Robin ; Buchtela, Karel (referee) ; Chlebovský, Vít (advisor)
Diplomová práce řeší problematiku sociálních medií v marketingové komunikaci vybrané společnosti. Cílem této práce je analyzovat současný stav marketingové komunikace na sociálních sítích dané společnosti a navrhnout nové řešení pro využití vhodnějších médií. První část je věnována problematice marketingu, marketingové komunikaci a sociálním sítím. Analytická část poté studuje vnější prostředí společnosti spolu s konkurencí a situací uvnitř společnosti. Poslední část představuje možné návrhy řešení, jak vylepšit marketingovou komunikaci společnosti na sociálních sítí, spolu s analýzou jejich efektivity, návrhu kampaně na tuzemském trhu spolu s dosahem zahraničních trhů a přihlédnutím na konkrétní produkt.
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Smart Home Control by Utilizing AllJoyn Platform
Resler, Tomáš ; Kováč, Dominik (referee) ; Hošek, Jiří (advisor)
This bachelor work concerns with system Alljoyn which tries to standardize the interface for communication in the frame of intelligent house. The basic principles and the structure of the framework Alljoyn including the recent proposal of the modules Lighting framework and Gateway Agent have been described in the theoretical oriented part of the work. The practical oriented part stars with the description of the getting the Alljoyn framework including the Lighting controller and the Gateway Agent to work on the hardware router provided with operating system OpenWRT. The following parts present own testing connector for the Alljoyn Gateway which have been written to allow the remote control of the lights via cloud service Twitter. The functionality of the router have been tested with software simulator of the Alljoyn lights Luminaire and an own ligths driving program developed utilizing the experimental Lighting SDK for mobile devices with operating system Android.
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Using of Data Mining Method for Analysis of Social Networks
Novosad, Andrej ; Očenášek, Pavel (referee) ; Bartík, Vladimír (advisor)
Thesis discusses data mining the social media. It gives an introduction about the topic of data mining and possible mining methods. Thesis also explores social media and social networks, what are they able to offer and what problems do they bring. Three different APIs of three social networking sites are examined with their opportunities they provide for data mining. Techniques of text mining and document classification are explored. An implementation of a web application that mines data from social site Twitter using the algorithm SVM is being described. Implemented application is classifying tweets based on their text where classes represent tweets' continents of origin. Several experiments executed both in RapidMiner software and in implemented web application are then proposed and their results examined.
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Social Media Marketing
Plšek, Vítězslav ; Andrýsek, Petr (referee) ; Chlebovský, Vít (advisor)
Social media represent brand new environment, which can be very useful for marketing communication, product propagation and also for getting a feedback from customers. The aim of thesis is to analyze multiple ways of social media usage at companies using social media to propagate themselves on the Internet. Information resulted from this research will go through further analysis and create marketing comminucation plan of the company specialized for expedition flashlights.
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Machine Learning in the Domain of Stylometry and Authorship Attribution
Drápela, Karel ; Škoda, Petr (referee) ; Smrž, Pavel (advisor)
Thesis deals with authorship attribution of english internet comments. It describes state of art in authorship attribution on social networks. It decsribes how the new system created during the work on this thesis functions. System is based on selection of most informative characteristics mostly from character n-grams and part of speech tags. It presents results of testing on comments from social networks Quora and Twitter.
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Twitter Connection with a TV Broadcast
Fiala, Marek ; Rychlý, Marek (referee) ; Burget, Radek (advisor)
This master thesis focuses on the possible connection between the digital television broadcasting DVB and the Twitter social network. The target platform is the Hybrid Broadcast Broadband TV platform, which combines television broadcasting with a data received from broadband. The created system is composed of a HbbTV application and a server, that connects the application with the Twitter and searchs for additional data about the current video content. Usage of the resulting solution in real television broadcasting could potentially increase the amound of tweets related to the television broadcasting, increase the knowledge about HbbTV technology and attrack young generation of viewers. All that can result into slight increased number of viewers.
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Data resources analysis of third parties in the Internet environment
Paulech, Michal ; Krajsa, Ondřej (referee) ; Koutný, Martin (advisor)
This bachelor’s thesis is about planning and making of system, which working with thirdparty data sources, mainly Facebook API, Twitter API and Expedia API. This system is monitoring profiles on social networks, their data and content. The system allows monitoring the success of individual profiles on social networks. The system consists of several modules and in the future the system could be extended to include other functionality.
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