SAPO campus: aprendizagem, ensino e pessoas em rede

As escolas portuguesas do ensino não superior estão dotadas com infraestruturas e equipamentos que permitem trazer o mundo para dentro da sala de aula, tornando o processo de ensino e de aprendizagem mais rico e motivador para os alunos. A adoção institucional de uma plataforma que segue os princípios da web social, o SAPO Campus (SC), definida pela abertura, partilha, integração, inovação e personalização, pode ser catalisadora de processos de mudança e inovação. O presente estudo teve como finalidade acompanhar o processo de adoção do SC em cinco escolas, bem como analisar o impacto no processo de ensino e de aprendizagem e a forma como os alunos e professores se relacionam com esta tecnologia. As escolas envolvidas foram divididas em dois grupos: o primeiro grupo, constituído por três escolas onde o acompanhamento teve uma natureza mais interventiva e presente, enquanto que no segundo grupo, composto por duas escolas, foram apenas observadas as dinâmicas que se desenvolveram no processo de adoção e utilização do SC. No presente estudo, que se assume como um estudo longitudinal de multicasos, foram aplicadas técnicas de tratamento de dados como a estatística descritiva, a análise de conteúdo e a Social Network Analysis (SNA), com o objetivo de, através de uma triangulação permanente, proceder a uma análise dos impactos observados pela utilização do SC. Estes impactos podem ser situados em três níveis diferentes: relativos à instituição, aos professores e aos alunos. Ao nível da adoção institucional de uma tecnologia, verificou-se que essa adoção passa uma mensagem a toda a organização e que, no caso do SC, apela à participação coletiva num ambiente aberto onde as hierarquias se dissipam. Verificou-se ainda que deve implicar o envolvimento dos alunos em atividades significativas e a adoção de estratégias dinâmicas, preferencialmente integradas num projeto mobilizador. A adoção do SC foi ainda catalisadora de dinâmicas que provocaram mudanças nos padrões de consumo e de produção de conteúdos bem como de uma atitude diferente perante o papel da web social no processo de ensino e aprendizagem. As conclusões apontam ainda no sentido da identificação de um conjunto de fatores, observados no estudo, que tiveram impacto no processo de adoção como o papel das lideranças, a importância da formação de professores, a cultura das escolas, a integração num projeto pedagógico e, a um nível mais primário, as questões do acesso à tecnologia. Algumas comunidades construídas à volta do SAPO Campus, envolvendo professores, alunos e a comunidade, evoluíram no sentido da autossustentação, num percurso de reflexão sobre as práticas pedagógicas e partilha de experiências.

Contextual text mining

With the dramatic growth of text information, there is an increasing need for powerful text mining systems that can automatically discover useful knowledge from text. Text is generally associated with all kinds of contextual information. Those contexts can be explicit, such as the time and the location where a blog article is written, and the author(s) of a biomedical publication, or implicit, such as the positive or negative sentiment that an author had when she wrote a product review; there may also be complex context such as the social network of the authors. Many applications require analysis of topic patterns over different contexts. For instance, analysis of search logs in the context of the user can reveal how we can improve the quality of a search engine by optimizing the search results according to particular users; analysis of customer reviews in the context of positive and negative sentiments can help the user summarize public opinions about a product; analysis of blogs or scientific publications in the context of a social network can facilitate discovery of more meaningful topical communities. Since context information significantly affects the choices of topics and language made by authors, in general, it is very important to incorporate it into analyzing and mining text data. In general, modeling the context in text, discovering contextual patterns of language units and topics from text, a general task which we refer to as Contextual Text Mining, has widespread applications in text mining. In this thesis, we provide a novel and systematic study of contextual text mining, which is a new paradigm of text mining treating context information as the ``first-class citizen.'' We formally define the problem of contextual text mining and its basic tasks, and propose a general framework for contextual text mining based on generative modeling of text. This conceptual framework provides general guidance on text mining problems with context information and can be instantiated into many real tasks, including the general problem of contextual topic analysis. We formally present a functional framework for contextual topic analysis, with a general contextual topic model and its various versions, which can effectively solve the text mining problems in a lot of real world applications. We further introduce general components of contextual topic analysis, by adding priors to contextual topic models to incorporate prior knowledge, regularizing contextual topic models with dependency structure of context, and postprocessing contextual patterns to extract refined patterns. The refinements on the general contextual topic model naturally lead to a variety of probabilistic models which incorporate different types of context and various assumptions and constraints. These special versions of the contextual topic model are proved effective in a variety of real applications involving topics and explicit contexts, implicit contexts, and complex contexts. We then introduce a postprocessing procedure for contextual patterns, by generating meaningful labels for multinomial context models. This method provides a general way to interpret text mining results for real users. By applying contextual text mining in the ``context'' of other text information management tasks, including ad hoc text retrieval and web search, we further prove the effectiveness of contextual text mining techniques in a quantitative way with large scale datasets. The framework of contextual text mining not only unifies many explorations of text analysis with context information, but also opens up many new possibilities for future research directions in text mining.

La relaci?n del rock en el contexto pol?tico en el caso en particular de Argentina en la d?cada de los 80?s

En este trabajo de grado, se analiz? la relaci?n y el impacto del Rock and Roll en el caso particular de Argentina en la d?cada de los 80?s, tomando como referente central La Guerra de las Malvinas. El prop?sito de esta investigaci?n, fue evidenciar c?mo a trav?s de la m?sica y el arte, surgieron movimientos de car?cter social y cultural, que reivindicaron una serie de ideas pol?ticas en contra del Sistema de gobierno Militar instaurado en Argentina durante el periodo de (1976-1983). La relaci?n entre el rock y su influencia en el contexto pol?tico no est? todav?a plenamente documentado, por lo cual, este estudio es de car?cter exploratorio y recurri? a una revisi?n bibliogr?fica o an?lisis documental para realizar la descripci?n de cada uno de los objetivos planteados. Servir? como referente base para investigaciones futuras que profundicen el an?lisis del fen?meno en particular. El g?nero musical del Rock and Roll, emergi? como un s?mbolo de rebeld?a y protesta frente a un sistema de gobierno militar que limitaba los derechos fundamentales de la poblaci?n, entre ellos, el derecho a la libre expresi?n. Por lo tanto, este trabajo realiz? una aproximaci?n a la comprensi?n de las diversas expresiones art?sticas y culturales como la m?sica, que sirvieron como mecanismo de participaci?n ciudadana, difundiendo un mensaje pol?tico que logr? transformar el pensamiento colectivo de toda una naci?n, como fue el caso de Argentina en aquella ?poca.

Yrittäjän sosiaalisten verkostojen muodostuminen, niihin vaikuttavat tekijät, niiden rakenne ja merkitys yrittäjälle

Tämän tutkimuksen tavoitteena oli selvittää kuinka yrittäjän verkostot muodostuvat ja minkälainen niiden rakenne on. Tavoitteena oli myös saada tietoa yrittäjän sosiaalisten verkostojen merkityksestä yrittäjälle. Tutkimus toteutettiin laadullisena tutkimuksena. Tutkimusaineisto kerättiin strukturoidulla haastattelulla ja tutkimusaineiston rinnalla käytettiin yrittäjien havainnollistamia piirroksia sekä tieteellisiä julkaisuja ja kirjallisuutta. Haastateltavina oli sekä nais- että miesyrittäjiä eri paikkakunnilta Etelä-Suomen alueelta. Tutkimustulosten mukaan yrittäjien verkostoissa voidaan havaita eri tasoja, jotka rakentuvat eri tavoilla ja ovat yrittäjälle merkitykseltään erilaisia. Verkoston eri tasoille sijoittuu yrittäjälle tärkeitä ihmisiä sen mukaan mitä hyötyä ja arvoa heillä yrittäjälle on. Tulokset osoittavat, että verkostojen rakentamiseen vaikuttavat sekä liiketoiminnan laatu, motiivit sekä yrittäjän persoona. Tulokset ovat linjassa tämän tutkimuksen perustana olevien teorioiden kanssa. Viitteitä löytyy myös siitä, että yrittäjän sukupuolella on myös merkitystä siihen, millaiseksi sosiaaliset verkostot rakentuvat sekä henkilökohtaisessa elämässä että liike-elämän puolella. Sosiaalisista verkostoista saatavat hyödyt ovat moninaisia. Lisätutkimuksia tulisi tehdä tehokkaiden työkalujen kehittämiseksi henkilöstön ja yrittäjän omien resurssien tunnistamiseksi. Tätä kautta myös yrittäjyyskasvatusta ja yrittäjäneuvontaa voitaisiin tehostaa.

e-Comunicação em espaço virtual

Relatório de estágio apresentado à Escola Superior de Educação do Instituto Politécnico de Santarém para obtenção do grau de mestre em Educação e Comunicação Multimédia

A comprehensive study of multiplicative attribute graph model

Graphs are powerful tools to describe social, technological and biological networks, with nodes representing agents (people, websites, gene, etc.) and edges (or links) representing relations (or interactions) between agents. Examples of real-world networks include social networks, the World Wide Web, collaboration networks, protein networks, etc. Researchers often model these networks as random graphs. In this dissertation, we study a recently introduced social network model, named the Multiplicative Attribute Graph model (MAG), which takes into account the randomness of nodal attributes in the process of link formation (i.e., the probability of a link existing between two nodes depends on their attributes). Kim and Lesckovec, who defined the model, have claimed that this model exhibit some of the properties a real world social network is expected to have. Focusing on a homogeneous version of this model, we investigate the existence of zero-one laws for graph properties, e.g., the absence of isolated nodes, graph connectivity and the emergence of triangles. We obtain conditions on the parameters of the model, so that these properties occur with high or vanishingly probability as the number of nodes becomes unboundedly large. In that regime, we also investigate the property of triadic closure and the nodal degree distribution.

CAREGIVING FOR A FAMILY MEMBER WITH HEAD AND NECK CANCER

Objective: To know the perception of informal caregivers regarding the care for a family member with head and neck cancer. Methods: Qualitative study conducted between March and May 2014 in the radiotherapy outpatient center of the Centro de Alta Complexidade em Oncologia – CACON (Oncology High Complexity Center) of the Hospital Universitário de Brasília – HUB (University Hospital of Brasília) using semi-structured interviews with nine caregivers about the experience of caring for family members. Data underwent Content Analysis and four units of meaning were identified: “Representation of cancer in the Family”, “The care as debt, individual reward or reconstruction of family ties”, “Repercussions of cancer on the caregiver’s personal life” and “Social support and network used by caregivers”. Results: Feelings of sadness and surprise at the moment of diagnosis were attributed to cancer, as well as the idea of punishment. The care was seen as personal satisfaction, accomplishment and opportunity for family rapprochement. Work overload and change in routine were altered functions. Religiosity, exchange of experience in the waiting room and institutional support appeared as coping strategies. Conclusion: The experience of caring for family members with head and neck cancer directly interferes in the lives of caregivers. Pointing out the institutional embracement as a strategy within the social network reinforces the importance of integrating the caregivers as a significant part of the health care plan developed by the health team.

e-Comunicação em espaço virtual

Relatório de estágio apresentado à Escola Superior de Educação do Instituto Politécnico de Santarém para obtenção do grau de mestre em Educação e Comunicação Multimédia

Comunicação de risco em saúde : a importância do eWOM

Os surtos de doenças infeciosas estão atualmente no topo das preocupações relacionadas com riscos de saúde, devido à grande capacidade de disseminação e difusão que as caracteriza e, não menos importante, por causa da eventual possibilidade de evolução dos surtos para o nível de pandemia. A nível global, os Governos e as organizações oficiais de saúde estão empenhados em criar planos para lidar com os riscos de saúde, de forma a mitigar e controlar os efeitos nefastos provocados pelas doenças infeciosas na população. O mundo mudou, devido às novas tecnologias, tornou-se globalmente digital. As pessoas, hoje, têm um novo estatuto, são atores sociais, unidos por laços sociais no seio das redes digitais, dentro das quais, têm acesso a uma vasta panóplia de informação - acerca de assuntos de saúde por exemplo, que flui livremente através da rede e diminui os limites entre o cidadão comum e os profissionais e os peritos acerca dos mais diversos temas. O utilizador atual de internet, é um "prosumer". A tecnologia permite-lhe pesquisar a informação que procura e, adicionalmente, compartilhar e comentar o resultado das suas pesquisas e da sua própria experiência pessoal. No contexto dos riscos de saúde, a comunicação é um elemento preponderante em qualquer estratégia de planeamento de risco. Por sua vez, a internet, os novos media digitais e as redes sociais online, são ferramentas postas à disposição dos consumidores, que lhes possibilitam a procura a partilha e o armazenamento de informação. Em virtude da importância que assume a comunicação nos cenários de crise, no âmbito deste trabalho, centraremos o foco da nossa atenção, nos fenómenos de comunicação, conhecidos por “passa-palavra” e “passa-palavra eletrónico” (WOM e WOM), revelando a sua influência na participação dos consumidores na dinâmica comportamental de partilha de eWOM, dentro do grupo restrito de cada indivíduo (eWOM dentro do grupo). Para produzir o nosso modelo concetual, usaram-se medidas adaptadas de outros construtos retirados da literatura, nomeadamente, “Credibilidade da fonte”; “Credibilidade de informação” e “eWOM Dentro do Grupo”.

Analysis and Visualisation of Crowd-sourced Tourism Data

C3S2E '16 Proceedings of the Ninth International C* Conference on Computer Science & Software Engineering

L'image principale de profil, symbole de l'individu connecté

Depuis le début du XXIe siècle, un type particulier d’images a envahi l’espace public constitué par Internet : il s’agit des images principales de profil, ces images que les utilisateurs de sites de réseaux sociaux choisissent pour les représenter auprès des autres individus connectés. Comme le plus souvent il s’agit d’une image du corps de celui ou celle qui s’affiche ainsi, il est intéressant de s’intéresser à cette pratique en la rattachant à des pratiques plus anciennes. Dans un premier temps, cette étude présente donc une perspective socio-historique en notant la ressemblance de la pratique de l’image principale de profil avec celle de l’autoportrait et du portrait commandé. Cela permet de remarquer plusieurs points de rupture ou d’inflexion dans l’usage de ce type d’images, mais aussi d’en dégager les usages sociaux typiques. Ensuite, l’observation d’un lieu particulier d’Internet permet de tirer les conclusions suivantes : si l’usage principal de ces images est facile à expliquer, elles servent à symboliser une présence dans des lieux non accessibles aux corps sensibles, ces images montrent toujours des éléments qui permettent de déduire une position sociale et elles sont fondamentalement identiques aux images produites avant Internet. Ensuite, l’étude de ces images montre qu’il y a un véritable continuum dans la manière de dévoiler son intimité qui permet d’affirmer que la frontière entre public et privé n’existe pas sur Internet. Finalement, ces images montrent une absence de canon quant à leur production et une multiplicité des façons de se mettre en scène qui laissent à penser qu’elles sont devenues des symboles à part entière dans la communication qui peut s’établir entre des étrangers sur Internet.

Relações interorganizacionais e eficiência coletiva: um estudo de caso no arranjo produtivo local de confecções do Agreste de Pernambuco

This work is a study in the Local Productive Arrangement of confections from Agreste of Pernambuco, as a relevant sector in economic and social aspect. This research has as central aim to understand how the inter-organizational relations influence the collective efficiency of arrangement. The theoretical framework employed highlights the approaches that deal with the benefits of business agglomeration for the develop­ment of firms and regions. It has discussed the approach of small and medium enter­ prises and industrial districts (SCHMITZ, 1997), which introduce the concept of col­ lective efficiency, explaining that only those externalities explained by Marshall (1996) are not sufficient to explain the competitive advantage of enterprises, expand­ing the idea that organizations achieve competitive advantage not acting alone. To examine the influences of relations in the collective efficiency, it has been taken as analytical perspective theory of social networks (GRANOVETTER, 1973, 1985; BURT, 1992; UZZI, 1997) because it has believe that this approach provides subsi­ dies for a structural analysis of social relationships in face the behavior of human ac­tion. By examining the organizations in a social network, you should understand the reason of this establishment of the relationship, their benefits, and as the information flow takes place and density of links between the actors (Powell; SMITH-DOERR, 1994). As for the methods, this study is characterized as a case study, in according to the purposed objectives, in addition to qualitative method. Also, due to recovering of the historical milestones of the arrangement, it is used a sectional approach with longitudinal perspective (VIEIRA, 2004). The primary and secondary data were used in order to understand the evolutionary process of the sector and their inter-actors re­ lationships in the arrangement for the promotion of development, for both, was used the contend and documentary analysis technique, respectively (DELLAGNELO ; SIL­VA, 2005). The approach of social networks has permitted understand that social re­lationships may extend the collective efficiency of the arrangement, and therefore need to develop policies that encourage the legalization of informal companies in ar­rangement, by showing up themselves representative. Thus, the relations estab­ lished in LPA of confections from Agreste of Pernambuco need for more effective mechanisms to broaden the collective efficiency. Therefore, this way as take place has directly benefited only a group of companies that are linked in some way the sup­portive institutions. So we can conclude that the inter-actor relations have limited the collective efficiency of LPA, being stimulated by the institutions in support only to groups of entrepreneurs, even those that produce external relations for all clustered companies

Redes interorganizacionais e inovação: o caso do pólo joalheiro de Belém

This work is a case study based on Belém Jewelry Pole, whose main issue is to understand how the social network (which the Pole is inserted) influences on innovation process on this area. The main objective is to analyze how interorganizational networks impacted/impact on the potential for innovation, creating both limits and opportunities for the companies development. The adopted method analyzed the historical jewelry industry trajectory since the beginning of mineral extraction in the city of Itaituba (in the Pará State) until nowadays. Primary and secondary data were used allowing the view of the dynamics of the network during transformation periods of the main involved actors in the process. The prospect of embeddedness structural as analysis technique allowed verifying the quality of interactors ties, as well as the visualization of their structures. During the jewelry industry trajectory was verified a change in the quality of social relations, modifying the information flow, trust and associations of various links in the production chain. Both direct and indirect ties facilitated the access to remote networks entering new information related to new products, processes and market aspects. This interaction has led to raising the innovation potential causing a qualitative and quantitative improvement in competitiveness of organizations. Some embedded ties allowed the formation of partnerships bringing various economic earnings for those involved in the relationship. Thus, it is understood how aspects related to the position, architecture and quality of ties in a wide social network influenced on the innovation process and eventual jewelry industry trajectory

Design as a critical research

Historically the imaginary and the hegemonic thinking, in the Western globe north, has been marked by the epistemology and capitalists archetypes. Notwithstanding the design seem as a practice and discipline shielded on a simplistic discourse of functional / communicative efficiency, wandering through by multiple aestheticism apparently neutral in relation to the symbolic, but in fact they never are, because what really hapens is that the aesthetic appearance of the generated forms will always be a review of the powers ruling. We start from the understanding that the act of creating an aesthetic artifact, will also be a movement of inscription in a discursive platform (that precedes it), is in itself an narrative act and that fact represent a certain take place in relation to certain symbolic reality. On reflection shown if it sees design as a discipline and / or an instrument of action, whose operational relevance tends to question and simultaneously rehearsing a response, in which more than why interests answer to why. Apparently the design is a content mediator, but also, it is structure, is body, is idea. We think a design praxis as discipline and enrollment tool of critical thought and social transformation. For guiding research in this text, we propose the following question: Can the Design want for themselves an engagement with the symbolic in order to be an active part in the production of critical thinking in the place where it belongs? Methodologically our argument will be present in two differents moments: 1. a first, exploratory nature where we rescue the draw issues in the practice of design and 2. a second analytical nature concerning the subject issues (graphic and / or utility ) design and how it incorporates formal rites, political events and social practices of contemporary everyday life. We consider the praxis of design as a discipline and critical thinking enrollment tool as agents of social transformation. With this study we seek for contribute phenomenology design by studying the artifacts of configuration as well as the possible messages they convey and what impact they may have on the social network.

Características que podem influenciar a revisitação a um canal do YouTube

Atualmente, encontramo-nos numa Era em que a internet se está a transformar numa ferramenta cada vez mais essencial no nosso dia-a-dia. A internet, mais especificamente, as redes sociais apareceram para que o consumidor esteja em permanente conexão com o mundo, à distância de um clique. Nesta investigação, o YouTube foi a rede social escolhida para o estudo e o objetivo principal é perceber quais as características que um canal no YouTube deve ter para que os consumidores tenham intenção de o revisitar. Na metodologia adaptou-se um modelo que avalia a qualidade de websites, o modelo WebQual. Foi elaborado um questionário online, sendo as perguntas adaptadas para um canal de YouTube. Para analisar as hipóteses do estudo, foi feita uma regressão linear múltipla. Foi então possível concluir que os constructos Utilidade, Facilidade de Uso, Entretenimento e Relação Complementar, influenciam a Intenção de Revisitar logo, pode-se dizer que o canal do YouTube estudado apresenta qualidade aos olhos dos consumidores.