Results 11 to 20 of about 300,940 (321)
Proceedings of the 2009 Conference on Empirical Methods in Natural Language Processing Volume 1 - EMNLP '09, 2009 A significant portion of the world's text is tagged by readers on social bookmarking websites. Credit attribution is an inherent problem in these corpora because most pages have multiple tags, but the tags do not always apply with equal specificity across the whole document.
Daniel Ramage +3 more
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CAAtivas: Aprender com jogos em Comunidade
Revista de Estudios e Investigación en Psicología y Educación, 2017 O Projeto CAAtivas consiste numa plataforma de Aprendizagens Ativas, em comunidade de prática apoiada por investigação. Aposta num modelo dinâmico e inclusivo de aprendizagens significativas ao longo da vida, e de verificação de competências. Com análise
Ana Cristina Ferreira de Almeida +6 more
doaj +1 more source
K-means Weibo topic discovery model based on feature fusion
Dianzi Jishu Yingyong, 2020 Aiming at the shortcomings of high-dimensional sparseness in the short text of Weibo on traditional topic detection methods, a K-means Weibo topic discovery model based on feature fusion was proposed.
Li Hailei +4 more
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Method for calculating the electronic structure of correlated materials from a truly first-principles LDA+U scheme [PDF]
, 2010 We present a method for calculating the electronic structure of correlated materials based on a truly first-principles LDA+U scheme. Recently we suggested how to calculate U from first-principles, using a method which we named constrained RPA (cRPA). The
Aryasetiawan, F. +2 more
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Solo pregado em suporte de escavações
Geotecnia, 1986 Apresenta-se uma técnica de suporte de escavações baseada no conceito de solo reforçado. Descreve-se o mecanismo de rotura de dupla cunha e propõe-se um modelo de cálculo de estabilidade global em que é considerada a segurança ao deslizamento da cunha ...
José Veloso, Júlio Magro
doaj +1 more source
Frontiers in Chemistry, 2015 Fining agents derived from animal and mineral sources are widely used to clarify and stabilize white wines. Nevertheless, health and environmental problems are being raised, concerning the allergenic and environmental impact of some of those fining ...
Joana Pinto Fernandes +4 more
doaj +1 more source
Current Density Functional Theory for one-dimensional fermions [PDF]
, 2008 The frequency-dependent response of a one-dimensional fermion system is investigated using Current Density Functional Theory (CDFT) within the local approximation (LDA).
Alcaraz +29 more
core +2 more sources
Potential economic impacts of achieving good environmental status in Black Sea fisheries
Ecology and Society, 2014 The Marine Strategy Framework Directive (MSFD) mandates that European Union (EU) member states achieve Good Environmental Status (GEnS) based on an ecosystem-based approach to management. For commercial fisheries, the primary target under the MSFD is one
Ian C. Goulding +2 more
doaj +1 more source
Visual Depression Diagnosis From Face Based on Various Classification Algorithms [PDF]
Engineering and Technology Journal, 2020 Most psychologists believe that facial behavior through depression differs from facial behavior in the absence of depression, so facial behavior can be utilized as a dependable indicator for spotting depression.
Sana Nasser, Ivan Hashim, Wisam Ali
doaj +1 more source
Acta Médica Portuguesa, 2010 The urinary tract is one of the more common sites of bacterial infections, especially in women. Urinary infection can be defined as an infection of urinary tract structures which occurs, generally, as a consequence of the presence or colonization by ...
Filipe Martins +2 more
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