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Tail (in)dependence: a comparative analysis of estimation methods

Dias, Sandra; Ferreira, Marta Susana

Extreme value theory is focused on developing methods for tail inference where data are scarce and central measures may not be suitable. Such is the case of correlation to assess linear association between two variables. For example, the bivariate Gaussian model always shows an asymptotic tail independence, no matter how strong the correlation is. In this work we address the tail independence coefficient η of L...


Romance: Text and intermedial performance in Gabriel Rui Silva

Dias, Sandra

Romance (1982-) is an intermedial poem by Gabriel Rui Silva, a Portuguese experimental writer. This unfinished work composes a radical exploration of multimodal and performative potentialities of text and visual performance. In this article, I aim to study its iterations from written text as total medium to performance art. I thus analyze the diverse embodiments of the poem trough its performances in a variety ...



A Inovação e a Sustentabilidade Aliadas à Terapia do Sono – O Caso do Sleep & N...

Pinto Baptista, Vitorina; Dias, Sandra

O ritmo acelerado da vida urbana e da vida laboral, levaram ao aparecimento de novas doenças associadas a estilos de vida agitados, originando a emergente necessidade de um equilíbrio físico e psíquico do ser humano. O projeto do Sleep & Nature Hotel, baseia-se num conceito holístico onde a natureza envolvente promove o equilíbrio com o corpo e a mente, permitindo reunir o turismo de bem-estar com a essência de...


O poema-performance eletrónico ‘Big-Bang, Poesia!

Dias, Sandra

Neste texto, contextualiza-se a obra do poeta e artista Gabriel Rui Silva na produção literária experimental em Portugal, nomeadamente na sua fase tecnológica dos anos 1980 em diante. Analisa-se, em seguida, com detalhe, a obra «Big-Bang, Poesia!» (1992), performance-poema eletrónico que teve lugar em Almada, numa tarde de outono, e que, entre outros, versa sobre os limites e desafios da sociedade tecnológica n...



Thiopurines have no impact on outcomes of Crohn's disease patients beyond 12 mo...

Sousa, Paula; Patita, Marta; Arroja, Bruno; Lago, Paula; Rosa, Isadora; Sousa, Helena Tavares; Ministro, Paula; Mocanu, Irina; Vieira, Ana

The emergence of new treatments the inflammatory bowel diseases (IBD) raised questions regarding the role of older agents, namely thiopurines. Aims: To clarify the benefits of combination treatment with thiopurines on Crohn's disease (CD) patients in the maintenance phase of infliximab. Methods: In this analysis of the 2 -year prospective multicentric DIRECT study, patients were assessed in terms of clinical ac...


The influence of smartphones on adolescent sleep: a systematic literature review

Sá, Sofia de; Baião, Ana; Marques, Helena; Marques, Maria do Céu; Reis, Maria José; Dias, Sandra; Catarino, Marta

(1) Background: Sleep is considered to be a complex condition for human beings, with the aim of ensuring physical and psychological recovery. Technology, including the cell phone, is a tool for teenagers that ensures they are always available to interact, even at night. This study aims to understand the influence of the use of smartphones on adolescent sleep quality. (2) Methods: The guidelines proposed by the ...


Apresentação: Surrealismo e intermedialidade

Eiras, Pedro; Joaquim, Ana Cristina; Dias, Sandra

O espírito experimental, intermedial, muitas vezes iconoclasta e irredutivelmente múltiplo deste movimento exige o cruzamento de muitas disciplinas, linguagens, ancoragens – dos estudos literários à história da arte, da filosofia à antropologia. Que legados nos deixou o surrealismo? Que continuidades se delineiam, numa renovação aberta e cíclica do movimento? Enquanto prática artística e meio de pesquisa, de qu...


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