1,721,204 research outputs found
Rechtsstaat and Constitutional Justice in Austria. Hans Kelsen’s Contribution
No full textIl saggio analizza la riflessione sullo Stato di diritto e la formazione dell'idea di giustizia costituzionale nella teoria di Hans Kelse
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Variations on the Author
Full text link“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Appropriate Similarity Measures for Author Cocitation Analysis
Full text linkWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
Estações de recarga para veículos elétricos alimentadas por energia solar fotovoltaica: estudo de caso para rodovia BR-381 Fernão Dias em 2030
Full text linkSeveral climate and energy studies carried out in recent years suggest that the current energy
model might suffer a strong transition in order to increase the share of renewable sources in the
world energy matrix, mainly due to two reasons: the increasing scarcity of fossil fuels and the
negative climatic impacts from atmospheric emissions resulting from the burning of these fuels.
In general, the electricity generation and transport sectors are the greater fossil fuels consumers
and, consequently, are the most responsible for the atmospheric emissions of greenhouse gases
and other pollutants. Integrating electric vehicles and photovoltaic power stations may play an
important role in substituting fossil fuels. This study presents a case study on plants to place
charging stations fed by photovoltaic power stations along the Fernão Dias highway in Brazil.
A demand model was adopted to elaborate three scenarios for 2030 with different participation
levels of electric vehicles in the Brazilian market. An optimized allocation model was used to
derive the position and number of charging stations and photovoltaic power plants that would
be need to meet the demand for recharging electric vehicles. This was done using the PV SystTM
software program. The results gave a list of adequate locations for installing the charging
stations and offered analyses on the consumed electricity and greenhouse gas emissions that
could be abated by said actions. The financial analysis that was conducted for the case study
determined that the charging costs, based on an Internal Rate of Return calculations, were 10%.
These costs were compared to the fill up costs of other traditional vehicles. The results show
that the costs may be 74% less than the cost of refilling current conventional automobiles.
Finally, the results of this study may serve as a reference in the public policy debate, as well as
for investors interested in fast charging EV stations that use solar energyAgência 1Diversos estudos climáticos e energéticos realizados nos últimos anos sugerem que o modelo
energético atual deve passar por uma forte transição de forma a aumentar a participação das
fontes renováveis na matriz energética mundial, devido principalmente a dois motivos: a
escassez dos combustíveis fósseis que aumenta gradativamente e os impactos climáticos
negativos provenientes das emissões atmosféricas resultantes da queima destes combustíveis.
De uma forma geral, os setores de geração de eletricidade e de transportes são aqueles que mais
utilizam combustíveis fósseis e, consequentemente, são os maiores responsáveis pelas emissões
atmosféricas de gases de efeito estufa e outros poluentes. Neste contexto, a integração entre os
veículos elétricos e as usinas fotovoltaicas pode desempenhar um papel importante para a
redução das emissões e aumento do uso de energias renováveis, através da substituição dos
combustíveis fósseis por energia elétrica gerada a partir de fonte renovável e limpa, o Sol. O
presente trabalho apresenta um estudo de caso para a alocação de estações de recarga
alimentadas por usinas fotovoltaicas para a rodovia brasileira Fernão Dias. Para este fim, um
modelo de previsão de demanda foi adotado para a elaboração de três cenários para 2030, com
diferentes níveis de participação dos veículos elétricos no mercado brasileiro. Um modelo de
alocação otimizada foi utilizado para definir a posição e número de estações de recarga
necessárias e usinas fotovoltaicas foram dimensionadas para atender a demanda destinada à
recarga dos veículos elétricos através do software PVSystTM. Os resultados mostram uma lista
de locais adequados para a instalação das estações de recarga, além da análise da eletricidade
consumida e das emissões de gases de efeito estufa evitadas. Uma análise financeira foi
conduzida para determinar os custos de recarga com base em uma taxa interna de retorno de
10%. Estes custos foram comparados com os custos referentes ao abastecimento de veículos
convencionais com diferentes combustíveis. Os resultados apontam que os custos encontrados
neste trabalho podem ser até 74% menores do que os custos de abastecimento de automóveis
convencionais atuais. Por fim, os resultados deste estudo podem oferecer uma referência para
políticas públicas e investidores interessados no campo das recargas rápidas de veículos
elétricos a partir de energia solar
Dispelling the Myths Behind First-author Citation Counts
Full text linkWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
koamabayili/VECTRON-author-checklist: VECTRON author checklist
No full textWe have done our best to complete the author checklist relating to the use of animals in the hut study. Note that the objective for the hut study was to evaluate the IRS treatment applications for residual efficacy against Anopheles mosquitoes, including the local An. coluzzii mosquito population. Cows were only used to attract mosquitoes into the huts and no tests were carried out directly on the cows. The author checklist is intended for use with studies where experiments are carried out on animals, which is why we have had such difficulty in completing this for the hut study, as many of the questions do not relate to how the cows were used
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