Made available in DSpace on 2014-06-11T19:22:25Z (GMT). No. of bitstreams: 0 Previous issue date: 2010-02-26Bitstream added on 2014-06-13T19:07:52Z : No. of bitstreams: 1 dalbelo_lfa_me_prud.pdf: 1258749 bytes, checksum: 413bf515eb63448ca76790ba3eb43c75 (MD5) / Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) / Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) / Atualmente é cada vez mais presente na comunidade civil a utilização do Global Positioning System (GPS). Um dos métodos de posicionamento GPS de grande destaque é o Differential GPS (DGPS). Esse método utiliza dois receptores, um como base e outro como móvel. O DGPS tem como princípio básico considerar a alta correlação dos erros provocados pela ionosfera, troposfera e órbita dos satélites. No entanto, com o afastamento entre o usuário e a estação base, a eficiência do método diminui, pois a correlação dos erros é reduzida. Mas, quando se utiliza uma rede de estações de referência, pode-se ter uma melhor modelagem dos erros na área de abrangência da rede. Surge então o conceito de DGPS em Rede (DGPSR). Alguns experimentos realizados com o DGPSR em modo pós-processados apontaram acurácia da ordem de 50 cm. Portanto, nesta pesquisa foi proposta a implementação do DGPSR em tempo real. As correções DGPSR são calculadas em tempo real por meio dos dados obtidos via Internet utilizando o protocolo Ntrip (Networked Transport of RTCM via Internet Protocol). Para isso, foram introduzidas várias alterações no software BNC, software este que foi desenvolvido pelo BKG e realiza a função do NtripClient. No que concerne às estações de referência GPS, foram utilizados dados da rede GNSS do oeste do estado de São Paulo (Rede GNSS/SP). A rede está composta, até o momento, por 10 receptores de alta tecnologia que podem ser conectados diretamente a Internet. Com relação aos resultados pode-se observar que o DGPSR utilizando 4 estações de referência apresentou melhorias de até 32% em planimetria e de 28% em altimetria, quando comparados ao DGPS utilizando somente uma estação de referência. Com relação a avaliação da latência pode-se verifica que latências de até 12 segundos parecem não causar influência nos resultados. / Nowadays, the Global Positioning System (GPS) has been very used by the civil community. One of the GPS positioning methods that have been emphasized is the Differential GPS (DGPS). In this method, two receivers are used. One of them as base and the other as rover station. The DGPS has the basic concept of considering high correlation of the errors caused by ionosphere, troposphere and satellite orbits. However, with the baseline growth the method efficiency decreases, because the errors correlation is reduced. But, using a reference station network it is possible to obtain an error modeling in the area of the network, using the network DGPS concept. Some experiments accomplished with DGPSR post processed mode presented promising results. Accuracy better than 50 cm was obtained. Therefore, in this research the goal is to implement the DGPS in real time. The corrections will be computed through data received by Internet using the Ntrip (Networked Transport of RTCM via Internet Protocol). In order to accomplish that, it was implemented several modifications in the BNC software. This software was developed by BKG and make the function of a NtripClient. It will be used a GPS network that is set up in the west of São Paulo State. This network is composed by 10 receivers of high technology that can be directly connected by Internet. Regarding the results, the DGPSR using 4 reference stations showed improvements of up to 32% in planimetry and 28% in altimetry when compared to pure DGPS. Regarding the assessment of latency it was noted that latencies of up to 12 seconds seems not to cause influence the results.

This thesis engages deindustrialization as a lived process and applies the concepts of precarity as they relate to communities navigating processes of deindustrialization. Through ethnographic interviews and participant observation research conducted over the summer of 2017 I examine the lived experiences of circular migrant labourers and their significant others, who live in the former coal town of Glace Bay, Nova Scotia, Canada, as they engage in strategies to keep their families in the community. I explore the continuities of industrialization, deindustrialization and labour; the history of work in the region; the present sacrifices that families make to stay in the communities; why families stay; and what they circular migrant labourers and their significant others imagine the future of the region will look like as they raise their children there. Further, as circular migrant labourers are away from home and their families for significant amounts of time, often at irregular schedules, I ask about the strategies that labourers and their families use to eke out a living in a marginalized community. I ask participants what it is like to have to leave the community for work; what it is like to stay behind while your significant other is away for work; what is it like to be home together; and what strategies are used to keep in touch. One such strategy is the use of internet communication technologies to negotiate physical and social distance. However, these technologies do not always necessarily make up for time spent away from loved ones. / Graduate / 2019-04-17

This master thesis aims to define the position of digital marketing within the communication mix, and via data analysis show its changing role in the course of time. At the same time, the thesis presents major trends in information and communication technologies influencing the field of marketing.

The aim of this thesis is to analyze the possibility of presentation of the company in an environment of social media with a focus on Twitter, to determine whether the presence of the company in this environment can affect (positively) brand perception and finally to recommend how the company should communicate on Twitter. The theoretical part describes definitions and the basic principles of social media and social media marketing based on the knowledge gained from literature, surveys and statistics. In the practical part, the mentions of the brand are quantitatively and qualitatively analyzed, the long-term trend is then compared with the specific campaign. All this is complemented by a questionnaire survey, which aims to determine whether and how people communicate with brands via social media. The findings of this section, together with the experience in managing profiles on social networks are finally summarized in the recommendations of communication on Twitter.

No description available.

Объектом исследования является политическая деятельность в предвыборный период. Цель работы − выявление инструментов влияния политических деятелей на формирование общественного мнения через социальные сети. Основными методами проведения исследования стали дискурс-анализ на основе данных онлайн-опроса, полуформализованные экспертные интервью, контент-анализ. В процессе исследований было проведено типологизирование политических деятелей на основании общественного мнения; сравнена политическая активность российских и американских политических деятелей в социальных сетях; выявлены возможности применения американского формата ведения социальных сетей к российской практике. Результатом работы стало выявление инструментов влияния политических деятелей на формирование общественного мнения через социальные сети. / The object of research is political activity in the pre-election period. The purpose of the work is to identify the tools of the influence of politicians on the formation of public opinion through social networks. The main research methods were discourse analysis based on online survey data, semi-formalized expert interviews, and content analysis. In the process of research, a typologization of politicians was carried out on the basis of public opinion; the political activity of Russian and American political figures on social networks is compared; The possibilities of applying the American format for maintaining social networks to Russian practice are revealed. The result of the work was the identification of instruments of influence of politicians on the formation of public opinion through social networks.

This thesis attempts to contribute to the study of punctuation marks (including emoji and emoticons) used in computer-mediated communication. It aims to describe their role in abusive comments on YouTube videos with LGBT content and the extent to which their use differs in respectful and hateful comments on such videos. The analysis concentrates also on how the distribution of punctuation marks differs in relation to the polarity, content and length of comments. The thesis also provides a comparison of the frequency of the occurrence of punctuation marks in both respectful and hateful comments. In addition to that, this paper attempts to classify emoji and emoticons according to their role in the text. Key words Computer-mediated communication, YouTube, emoji, emoticons, punctuation, Internet communication

This diploma thesis deals with the context of two current topics - cyberbullying and behaviour on social networks, in the population of the second grade of primary school, thus in adolescents. In the literary-review part the developmental connections of cyberbullying in adolescence, signs and forms of cyberbullying, its occurrence, cyberbullying actors and risk factors associated with it are presented. The thesis also deals with communication on the Internet and description of social networks. Present researches of cyberbullying and social networks are presented. The empirical part deals with the combined research carried out in 43 pupils at the secondary school. Cyberbullying was measured using a questionnaire and then profiles were analysed on Facebook and Instagram. Key words: Cyberbullying, Social networking sites, Facebook, Instagram, Internet communication, Adolescence

Resumo: Atualmente é cada vez mais presente na comunidade civil a utilização do Global Positioning System (GPS). Um dos métodos de posicionamento GPS de grande destaque é o Differential GPS (DGPS). Esse método utiliza dois receptores, um como base e outro como móvel. O DGPS tem como princípio básico considerar a alta correlação dos erros provocados pela ionosfera, troposfera e órbita dos satélites. No entanto, com o afastamento entre o usuário e a estação base, a eficiência do método diminui, pois a correlação dos erros é reduzida. Mas, quando se utiliza uma rede de estações de referência, pode-se ter uma melhor modelagem dos erros na área de abrangência da rede. Surge então o conceito de DGPS em Rede (DGPSR). Alguns experimentos realizados com o DGPSR em modo pós-processados apontaram acurácia da ordem de 50 cm. Portanto, nesta pesquisa foi proposta a implementação do DGPSR em tempo real. As correções DGPSR são calculadas em tempo real por meio dos dados obtidos via Internet utilizando o protocolo Ntrip (Networked Transport of RTCM via Internet Protocol). Para isso, foram introduzidas várias alterações no software BNC, software este que foi desenvolvido pelo BKG e realiza a função do NtripClient. No que concerne às estações de referência GPS, foram utilizados dados da rede GNSS do oeste do estado de São Paulo (Rede GNSS/SP). A rede está composta, até o momento, por 10 receptores de alta tecnologia que podem ser conectados diretamente a Internet. Com relação aos resultados pode-se observar que o DGPSR utilizando 4 estações de referência apresentou melhorias de até 32% em planimetria e de 28% em altimetria, quando comparados ao DGPS utilizando somente uma estação de referência. Com relação a avaliação da latência pode-se verifica que latências de até 12 segundos parecem não causar influência nos resultados. / Abstract: Nowadays, the Global Positioning System (GPS) has been very used by the civil community. One of the GPS positioning methods that have been emphasized is the Differential GPS (DGPS). In this method, two receivers are used. One of them as base and the other as rover station. The DGPS has the basic concept of considering high correlation of the errors caused by ionosphere, troposphere and satellite orbits. However, with the baseline growth the method efficiency decreases, because the errors correlation is reduced. But, using a reference station network it is possible to obtain an error modeling in the area of the network, using the network DGPS concept. Some experiments accomplished with DGPSR post processed mode presented promising results. Accuracy better than 50 cm was obtained. Therefore, in this research the goal is to implement the DGPS in real time. The corrections will be computed through data received by Internet using the Ntrip (Networked Transport of RTCM via Internet Protocol). In order to accomplish that, it was implemented several modifications in the BNC software. This software was developed by BKG and make the function of a NtripClient. It will be used a GPS network that is set up in the west of São Paulo State. This network is composed by 10 receivers of high technology that can be directly connected by Internet. Regarding the results, the DGPSR using 4 reference stations showed improvements of up to 32% in planimetry and 28% in altimetry when compared to pure DGPS. Regarding the assessment of latency it was noted that latencies of up to 12 seconds seems not to cause influence the results. / Orientador: João Francisco Galera Monico / Coorientador: Milton Hirokazu Shimabukuro / Coorientador: Daniele Barroca Marra Alves / Banca: Eniuce Menezes de Souza / Banca: Eno Darci Saatkamp / Mestre

The European Board in March of the year 2000 in Lisbon was a determinant moment in the politics and actions of the European Union. Its conclusions confirm that Europe entered the century of knowledge. Information and communication technologies’ integration into school is the keystone of part of the education reform of the country on which success depends on the education of a new society citizen of knowledge, as well as, the success of the whole educational reform, the social and economic progress. By educating the member of the society of knowledge, a school pays special attention to the personal characteristics which are very important in modern life- initiative, responsibility, independency, ability to communicate, work with others and solve problems. Students have to be able to use information and communication technology in collaboration, spreading information, in communication with students of the same age, with teachers and other individuals, with social and state organizations. By spreading new technologies into education, an exceptional attention should be paid to the pedagogues’ professional development and their social universality. It is important for teachers to gain some elementary knowledge and skills about the technology of information and to constantly improve their qualification and to renew their knowledge. However the teacher training system still is not in line with the changes made at schools in the latter decade. This system is not ready to... [to full text]