Cybervictimization by cyberbullying: children at risk and children as risk

Cybercrime in general derives from a series of events and factors that converge to foster this phenomenon. After an introduction, the reader will find four chapters. The first one provides a contextualization with background information. The changes in socioeconomic life and the accessibility and reach of the new technologies are assessed. The focus is set on the use of the internet and its far-reaching implications including the responses of national and international institutions. Nowadays, the internet is the window to current affairs whereby the social world is projected, and this idea becomes clear throughout the text. The second chapter deals with factors of patterns of cyberbullying. The third one is concentrated on the impact of cyberbullying and the concept of harm. The final one tackles the possibilities of recovery and resilience. All this allows us to draw some general conclusions. The work ends with a list of references and several annexes that help to understand in depth some of the points discussed throughout the text.

Memes pluralistas práticas linguístico-midiáticas em fenômenos bilíngues: um estudo sistêmico-funcional e multimodal sobre propagação via corpora digitais

Investigou-se pelo presente estudo se a concepção presente na Teoria de Replicadores, expressa através do conceito de meme (DAWKINS, 1979), poderia ser um modelo compatível para explicar a propagação de memes no substrato das mídias sociais. No âmbito dos estudos locais, Recuero (2006) sugeriu uma transdução desse modelo, baseando-se nas concepções de Dawkins (1979). Refletindo sobre o posicionamento epistemológico de Recuero (2006), o presente trabalho, baseando-se em Dennett (1995), Blackmore (2002) e Tyler (2011b; 2013b), procedeu às instâncias de Análise Conceitual e Composicional dessa transdução. A partir do conceito de memeplexo (BLACKMORE, 2002), esta pesquisa de base linguística (HALLIDAY, 1987) entende os memes, no substrato das mídias digitais/sociais, como práticas de produção e distribuição linguístico-midiáticas, propaladas a partir de diversas unidades de propagação e das relações criadas pelos internautas nesse processo de transmissão. Investigando tais relações, a partir da instância de Análise Relacional, propõe-se examinar duas unidades de propagação. Expressões meméticas (Que deselegante e #Tenso) e imagens meméticas (oriundas do fenômeno memético Nana em desastres). Integram este estudo dois corpora de expressões meméticas (5275 postagens oriundas ou redirecionadas para o Twitter.com total de 83.655 palavras/tokens) e um corpus bilíngue (Português/Inglês) de imagens meméticas (um total de 134 imagens oriundas do Tumblr.com e Facebook.com). Para analisar os corpora de expressões meméticas utilizou-se a metodologia de Linguística de Corpus (BERBER-SARDINHA, 2004; SHEPHERD, 2009; SOUZA JÚNIOR, 2012, 2013b, 2013c). Para a análise do corpus multimodal de imagens meméticas, utilizou-se a metodologia que chamamos de Análise Propagatória. Objetivamos verificar se essas unidades de propagação e as práticas linguístico-midiáticas que estas transmitem, evoluiriam somente devido a aspectos memético-midiáticos, conforme Recuero (2006) apontara, e com padrão de propagação internalista (DAWKINS, 1979; 1982). Após análise dos dados, revelou-se que, ao nível do propósito, os fenômenos locais investigados não evoluíram por padrão internalista (ou homogêneo) de propagação. Tais padrões revelam ser de natureza externalista (ou heterogênea). Ademais, constatou-se que princípios constitutivos meméticos de evolução como os de fecundidade, longevidade (DAWKINS 1979; 1982) e o de design (DENNETT, 1995), junto com o princípio midiático de evolução de alcance (RECUERO, 2006) mantiveram-se presentes com alto grau de influencia nas propagações de natureza externalista. Por outro lado, o princípio memético da fidelidade (DAWKINS, 1979; 1982) foi o que menos influenciou esses padrões de propagação. Neutralizando a fidelidade, e impulsionados pelo princípio de design, destacaram-se nesse processo evolutivo os princípios linguísticos sistematizadores revelados por este estudo. Isto é: o princípio da funcionalidade (memes evoluem porque podem indicar propósitos diferentes) e o princípio do alcance linguístico (memes podem ser direcionados a itens animados/ inanimados; para internautas em idioma nativo/ estrangeiro)

A perversão domesticada: estudo do discurso de legitimação do BDSM na Internet e seu diálogo com a psiquiatria

Esta i investigação tem como objeto o discurso de legitimação de praticantes de condutas sexuais tradicionalmente classificadas como perversões, chamadas por seus adeptos de BDSM sigla que descreve diversas práticas ou jogos sexuais: B é para Bondage, o par B & D para bondage e Disciplina. O par D & S para Dominação e Submissão, e o par S & M para Sadismo e Masoquismo. O BDSM liga-se ainda ao fetichismo. As definições de BDSM analisadas foram retiradas da Internet, cujas especificidades são abordadas. Para a contextualização histórica do objeto foi apresentada e discutida a construção médico- psiquiátrica das perversões sexuais. A análise do discurso BDSM e sua comparação com definições psiquiátrica indicaram a centralidade da noção de consentimento como argumento de legitimação e distinção de comportamentos patológicos, principalmente no diálogo com a psiquiatria contemporânea.

Internet e HIV/AIDS: o poder da informação e da desinformação.

Desde o final do século XX, o tema saúde é um das mais procurados na internet para diversos fins. As pessoas que convivem com HIV/AIDS não estão afastadas dessa tendência, formando inclusive um dos grupos de usuários que mais acessam a internet. Um grupo com um passado e presente de produção de movimento social que muito contribuiu para a reconhecida política HIV/AIDS brasileira. O objetivo desta tese é identificar e analisar os padrões de busca e interação com o conteúdo em saúde na internet no cotidiano das pessoas com HIV/AIDS, em particular nos potenciais desdobramentos em processos de medicalização, tomada de decisão sobre condutas em saúde e relação com movimento social. A metodologia se baseou em análise de conteúdo de entrevistas e realização de etnografia virtual de uma página fechada no Facebook. As discussões sobre o material pesquisado foram divididas em categorias analíticas, cuja análise gerou os seguintes resultados: a sociabilidade produzida na internet contribui para diminuir o sofrimento em relação ao preconceito, tanto em relação ao HIV/AIDS, quanto à homossexualidade; há uma carência de espaços de acolhimento virtual em detrimento a uma maior oferta de espaços para discussão sobre políticas públicas; a medicalização na rede produz a chance de se obter condutas não recomendadas, no entanto, pessoas vinculadas a grupos virtuais possuem mais estímulos a não abandonar a medicação; a confiabilidade nos conteúdos da internet em geral possui um padrão de acesso a sites recomendados pelos órgãos oficiais do setor saúde; é comum pesquisar antes ou depois da consulta médica, no entanto a negociação se dá em cyberespaços de acolhimento; muitos ativistas do HIV/AIDS foram estimulados a participar do ativismo político através da internet. Há necessidade de se ampliar espaços virtuais de acolhimento através de políticas públicas incentivadoras; a formação médica precisa contemplar questões relacionadas à internet e saúde sobre sociabilidade, adesão, e terapêutica digital, prescrição de sites, blogs e redes sociais, devendo-se ponderar com questões de medicalização e prevenção quaternária.

三维油藏数值模拟正反演算法研究

The dynamic prediction of complex reservoir development is one of the important research contents of dynamic analysis of oil and gas development. With the increase development of time, the permeabilities and porosities of reservoirs and the permeability of block reservoir at its boundaries are dynamically changing. How to track the dynamic change of permeability and porosity and make certain the permeability of block reservoir at its boundary is an important practical problem. To study developing dynamic prediction of complex reservoir, the key problem of research of dynamic prediction of complex reservoir development is realizing inversion of permeability and porosity. To realize the inversion, first of all, the fast forward and inverse method of 3-dimension reservoir simulation must be studied. Although the inversion has been widely applied to exploration and logging, it has not been applied to3-dimension reservoir simulation. Therefore, the study of fast forward and inverse method of 3-dimension reservoir simulation is a cutting-edge problem, takes on important realistic signification and application value. In this dissertation, 2-dimension and 3-dimension fluid equations in porous media are discretized by finite difference, obtaining finite difference equations to meet the inner boundary conditions by Peaceman's equations, giving successive over relaxation iteration of 3-dimension fluid equations in porous media and the dimensional analysis. Several equation-solving methods are compared in common use, analyzing its convergence and convergence rate. The alternating direction implicit procedure of 2-dimension has been turned into successive over relaxation iteration of alternating direction implicit procedure of 3-dimension fluid equations in porous media, which possesses the virtues of fast computing speed, needing small memory of computer, good adaptability for heterogeneous media and fast convergence rate. The geological model of channel-sandy reservoir has been generated with the help of stochastic simulation technique, whose cross sections of channel-sandy reservoir are parabolic shapes. This method makes the hard data commendably meet, very suit for geological modeling of containing complex boundary surface reservoir. To verify reliability of the method, theoretical solution and numerical solution are compared by simplifying model of 3-dimension fluid equations in porous media, whose results show that the only difference of the two pressure curves is that the numerical solution is lower than theoretical at the wellbore in the same space. It proves that using finite difference to solve fluid equations in porous media is reliable. As numerical examples of 3-dimension heterogeneous reservoir of the single-well and multi-well, the pressure distributions have been computed respectively, which show the pressure distributions there are clearly difference as difference of the permeabilities is greater than one order of magnitude, otherwise there are no clearly difference. As application, the pressure distribution of the channel-sandy reservoir have been computed, which indicates that the space distribution of pressure strongly relies on the direction of permeability, and is sensitive for space distributions of permeability. In this dissertation, the Peaceman's equations have been modified into solving vertical well problem and horizontal well problem simultaneously. In porous media, a 3D layer reservoir in which contain vertical wells and horizontal wells has been calculated with iteration. For channel-sandy reservoir in which there are also vertical wells and horizontal wells, a 3D transient heterogeneous fluid equation has been discretized. As an example, the space distribution of pressure has been calculated with iteration. The results of examples are accord with the fact, which shows the modification of Peaceman's equation is correct. The problem has been solved in the space where there are vertical and horizontal wells. In the dissertation, the nonuniform grid permeability integration equation upscaling method, the nonuniform grid 2D flow rate upscaling method and the nonuniform grid 3D flow rate upscaling method have been studied respectively. In those methods, they enhance computing speed greatly, but the computing speed of 3D flow rate upscaling method is faster than that of 2D flow rate upscaling method, and the precision of 3D flow rate upscaling method is better than that of 2D flow rate upscaling method. The results also show that the solutions of upscaling method are very approximating to that of fine grid blocks. In this paper, 4 methods of fast adaptive nonuniform grid upscaling method of 3D fluid equations in porous media have been put forward, and applied to calculate 3D heterogeneous reservoir and channel-sandy reservoir, whose computing results show that the solutions of nonuniform adaptive upscaling method of 3D heterogeneous fluid equations in porous media are very approximating to that of fine grid blocks in the regions the permeability or porosity being abnormity and very approximating to that of coarsen grid blocks in the other region, however, the computing speed of adaptive upscaling method is 100 times faster than that of fine grid block method. The formula of sensitivity coefficients are derived from initial boundary value problems of fluid equations in porous media by Green's reciprocity principle. The sensitivity coefficients of wellbore pressure to permeability parameters are given by Peaceman's equation and calculated by means of numerical calculation method of 3D transient anisotropic fluid equation in porous media and verified by direct method. The computing results are in excellent agreement with those obtained by the direct method, which shows feasibility of the method. In the dissertation, the calculating examples are also given for 3D reservoir, channel-sandy reservoir and 3D multi-well reservoir, whose numerical results indicate: around the well hole, the value of the sensitivity coefficients of permeability is very large, the value of the sensitivity coefficients of porosity is very large too, but the sensitivity coefficients of porosity is much less than the sensitivity coefficients of permeability, so that the effect of the sensitivity coefficients of permeability for inversion of reservoir parameters is much greater than that of the sensitivity coefficients of porosity. Because computing the sensitivity coefficients needs to call twice the program of reservoir simulation in one iteration, realizing inversion of reservoir parameters must be sustained by the fast forward method. Using the sensitivity coefficients of permeability and porosity, conditioned on observed valley erosion thickness in wells (hard data), the inversion of the permeabilities and porosities in the homogeneous reservoir, homogeneous reservoir only along the certain direction and block reservoir are implemented by Gauss-Newton method or conjugate gradient method respectively. The results of our examples are very approximating to the real data of permeability and porosity, but the convergence rate of conjugate gradient method is much faster than that of Gauss-Newton method.

Training for professional librarians in Slovakia by distance-learning methods: an overview of the PROLIB and EDULIB projects

Tedd, L.A., Dahl, K., Francis, S.,Tet?evov?, M.& ?ihlavn?kov?, E.(2002).Training for professional librarians in Slovakia by distance-learning methods: an overview of the PROLIB and EDULIB projects. Library Hi Tech, 20(3), 340-351. Sponsorship: European Union and the Open Society Institute

Semi-Supervised OWA Aggregation for Link-Based Similarity Evaluation and Alias Detection

T.Boongoen and Q. Shen. Semi-Supervised OWA Aggregation for Link-Based Similarity Evaluation and Alias Detection. Proceedings of the 18th International Conference on Fuzzy Systems (FUZZ-IEEE'09), pp. 288-293, 2009. Sponsorship: EPSRC

E-marketing and SMEs: Operational lessons for the future

Gilmore, A.; Gallagher, D.; and Henry, S. (2007). E-marketing and SMEs: Operational lessons for the future. European Business Review. 19(3), pp.234-247 RAE2008

'You say a minority, sir, we say a nation': The Pilkington Committee on Broadcasting (1960-62) and Wales.

Medhurst, J. (2004). 'You say a minority, sir, we say a nation': The Pilkington Committee on Broadcasting (1960-62) and Wales. Welsh History Review. 22(2), pp.109-136. RAE2008

The Media in Wales: Voices of a Small Nation

Barlow, D.; O'Malley, T.; and Mitchell, P. (2005). The Media in Wales: Voices of a Small Nation. Cardiff: University of Wales Press. RAE2008

The Net and the Self: Colliding Views of Individuality and Nationhood in the Pre-Devolutionary plays of Mark Jenkins and Ed Thomas

Owen, Roger, 'The Net and the Self: Colliding Views of Individuality and Nationhood in the Pre-Devolutionary plays of Mark Jenkins and Ed Thomas', In: 'Cool Britannia: British Political Drama in the 1990s', Rebecca D'Mont? and Graham Saunders (eds), (Basingstoke: Palgrave Macmillan), pp.158-175, 2007 RAE2008

The Territory of Television: S4C and the Representation of the 'Whole of Wales'

Jones, E. (2007). The Territory of Television: S4C and the Representation of the 'Whole of Wales.' In M. Cormack and N. Hourigan (Eds.), Minority Language Media: Concepts, Critiques and Case Studies (pp.188-211). No. 138. Bristol: Multilingual Matters. RAE2008

Kształcenie zdalne w szkole wyższej – stan i perspektywy

Wydział Studiów Edukacyjnych

OPEN DOORS AND OPEN MINDS: WHAT FACULTY AUTHORS CAN DO TO ENSURE OPEN ACCESS TO THEIR WORK THROUGH THEIR INSTITUTION

The Internet has brought unparalleled opportunities for expanding availability of research by bringing down economic and physical barriers to sharing. The digitally networked environment promises to democratize access, carry knowledge beyond traditional research niches, accelerate discovery, encourage new and interdisciplinary approaches to ever more complex research challenges, and enable new computational research strategies. However, despite these opportunities for increasing access to knowledge, the prices of scholarly journals have risen sharply over the past two decades, often forcing libraries to cancel subscriptions. Today even the wealthiest institutions cannot afford to sustain all of the journals needed by their faculties and students. To take advantage of the opportunities created by the Internet and to further their mission of creating, preserving, and disseminating knowledge, many academic institutions are taking steps to capture the benefits of more open research sharing. Colleges and universities have built digital repositories to preserve and distribute faculty scholarly articles and other research outputs. Many individual authors have taken steps to retain the rights they need, under copyright law, to allow their work to be made freely available on the Internet and in their institutionâ s repository. And, faculties at some institutions have adopted resolutions endorsing more open access to scholarly articles. Most recently, on February 12, 2008, the Faculty of Arts and Sciences (FAS) at Harvard University took a landmark step. The faculty voted to adopt a policy requiring that faculty authors send an electronic copy of their scholarly articles to the universityâ s digital repository and that faculty authors automatically grant copyright permission to the university to archive and to distribute these articles unless a faculty member has waived the policy for a particular article. Essentially, the faculty voted to make open access to the results of their published journal articles the default policy for the Faculty of Arts and Sciences of Harvard University. As of March 2008, a proposal is also under consideration in the University of California system by which faculty authors would commit routinely to grant copyright permission to the university to make copies of the facultyâ s scholarly work openly accessible over the Internet. Inspired by the example set by the Harvard faculty, this White Paper is addressed to the faculty and administrators of academic institutions who support equitable access to scholarly research and knowledge, and who believe that the institution can play an important role as steward of the scholarly literature produced by its faculty. This paper discusses both the motivation and the process for establishing a binding institutional policy that automatically grants a copyright license from each faculty member to permit deposit of his or her peer-reviewed scholarly articles in institutional repositories, from which the works become available for others to read and cite.

"Networking is IPC": A Guiding Principle to a Better Internet

This position paper outlines a new network architecture, i.e., a style of construction that identifies the objects and how they relate. We do not specify particular protocol implementations or specific interfaces and policies. After all, it should be possible to change protocols in an architecture without changing the architecture. Rather we outline the repeating patterns and structures, and how the proposed model would cope with the challenges faced by today's Internet (and that of the future). Our new architecture is based on the following principle: Application processes communicate via a distributed inter-process communication (IPC) facility. The application processes that make up this facility provide a protocol that implements an IPC mechanism, and a protocol for managing distributed IPC (routing, security and other management tasks). Existing implementation strategies, algorithms, and protocols can be cast and used within our proposed new structure.