1,721,266 research outputs found
Going Beyond Counting First Authors in Author Co-citation Analysis
Get PDFThe 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
Get PDF“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
Get PDFWe 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
Dispelling the Myths Behind First-author Citation Counts
Get PDFWe 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
Analysis of the Algerian economoic policy
No full textLa croissance économique est un indicateur majeur pour évaluer la capacité d'un pays à améliorer le niveau de bien-être de sa population. La littérature économique associe la croissance à une progression vigoureuse et sur une longue période de la production totale, ou de celle par tête. Le rythme de la croissance correspond au taux de croissance de la production et du revenu sur le long terme. Les économistes de la révolution industrielle ont identifié dans l'accumulation du capital, le moteur de ce mouvement. L'investissement, élément particulier de la demande, puisqu'il permet d'augmenter le stock de capital, est également susceptible d'augmenter les capacités de production. La réalisation de la croissance est un objectif essentiel de la politique économique. Dans le modèle de Ramsey, la croissance repose essentiellement sur l'accumulation du capital matériel. Il est donc fondamental d'étudier les facteurs qui favorisent cette accumulation à long-terme, ou qui au contraire viennent la freiner. Parmi ces facteurs se trouvent les déterminants de l'épargne.The economic growth is a major indicator which estimates a country's capacity to improve its population well-being level. The economic literature associates economic growth with an increase of either a total or per capita supported production on the long time. The growth rhythm corresponds to the production rate and the income growth rate on the long term. The economists of the industrial revolution has identified in the capital accumulation, the dynamic of that movement. Investment is a particular element of the demand, since it allows to increase the capital stock, and thus to increase the production capacities. Growth realization is an essential aim of the economic policy. ln Ramsey's model the growth bases essentially on the physical capital accumulation. So it is fundamental to study the factors which favor this accumulation in the long term or slow it down on the contrary. Among these factors are the determiners of savings
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
The impact of energic transition on economic growth.
No full textCe travail essaie d'aborder la problématique de la transition énergétique sous un angle assez particulier afin de soulever la complexité de cette transition et le fait qu'on est encore relativement loin de traiter cette question d'une manière convenable et convaincante. Après avoir discuté cette problématique dans les deux premiers chapitres, en se basant sur la littérature déjà existante, deux autres modèles ont été proposés afin de contribuer modestement à cette littérature. Ces deux modèles sont de deux familles différentes, notamment TETM et EnvETM2, qui ont, chacun, des particularités propres , et donnent, en général, des résultats assez divergents.On déduit des résultats du premier modèle que le développement des énergies renouvelables ne doit pas dépasser un certain niveau, et que les politiques basées sur les prix de l'énergie (taxes, subventions, ...) seront plus efficaces pour accélérer la transition énergétique. La transition énergétique ne pourra passer avec le même rythme dans tous les secteurs, ce qui fait que les choix politiques doivent être très précis pour viser les bons secteurs et territoires, afin de mener une transition optimale.Le deuxième modèle a pour objectif la généralisation du modèle CMM afin d'explorer de nouvelles politiques pour lutter contre les problèmes environnementaux, causés par l'utilisation massive des ressources énergétiques fossiles, sources des gaz à effet de serre. On peut résumer les résultats de ce modèle en déduisant que l'énergie renouvelable doit être produite tout le temps, même avec un prix de l'énergie inférieur à son coût marginal. Ce qui implique que les énergies renouvelables doivent être subventionnées, tant qu'elles restent non-compétitives. L' utilisation des énergies renouvelables n'est pas forcement une solution suffisante pour lutter contre l'émission de gaz à effet de serre ; dans certains cas on doit diminuer, en même temps, l'utilisation de cette énergie propre.This work tries to approach the problem of the energy transition under a rather particular angle to raise the complexity of this transition and the fact whom we are still relatively far from handling this question in a suitable and convincing way. By discuss this problem in the first two chapters, basing on the already existing literature ; two other models were proposed to contribute modestly to this literature. These two models belong to two different families, in particular TETM and EnvETM2 who have, each, peculiarities appropriate to him, and give, generaly, rather divergent results.We deduce from results of the first model that the development of the renewable energies does not have to exceed certain level, and that the policies based on energy prices (taxes, subsidy, ...) will be more effective to accelerate the energy transition. The energy transition will not can pass with the same rhythm in all sectors, what makes that political choices must be very precise to choose the rignts sectors ans territories, to lead an optimal transition.The second model, has for objective the generalization of the model of CMM1 to explore new policies to fight against the environmental problems, caused by the massive use of the fossil energy resources, sources of GHG (greenhouse gas emissions). We can summarize the results of this model by deducing that the renewable energy must be produced over time, even with an energy price lower than its marginal cost. This implies that the renewable energies have to subsidized, as long as they remain non-competitive. The use of the renewable energies is not sufficient solution to fight against GHG emissions, in certain case we have to abate as we use ReE
Author-wise bibliometric analysis based on entropy.
No full textAuthor-wise bibliometric analysis based on entropy.</p
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