1,720,955 research outputs found
Mobilité des populations sahéliennes durant la sécheresse aggravée de 1984
No full textLE DEPARTEMENT DE ZINDER AU NIGER SUD DU DÉPARTEMENT DE ZINDER. RELIEF. PLUVIOMÉTRIE 1985 MOBILITÉ CONJONCTURELLE Les mouvements massifs enregistrés pendant l’année 1984 sont très immédiatement des mouvements de secours. Les pasteurs et éleveurs ont entamé une transhumance exceptionnelle dès le mois d’août après avoir déstocké en mai-juin, à une période inhabituelle de l’année. Les départs des paysans ont été plus tardifs, septembre, après la Pâque musulmane. Pour eux, l’exode est le résult..
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
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
Sahara or Sahel? The fuzzy geography of terrorism in West Africa
Full text linkSince the mid-2000s, terrorism has pushed the peripheries of West Africa into the news and the public eye. While the political implications of this phenomenon have been extensively documented, most commentators have adopted a zonal approach to terrorism in which the Sahel and the Sahara are usually confused. This paper assumes that this confusion dramatically highlights the failure of academic and common geography to think beyond territories in West Africa, and to move away from a ?sedentary? vision of West African societies. The paper contributes to an understanding of the geographical locations of terrorism in West Africa by showing, firstly, what the main reasons behind the current confusion between the Sahel and Sahara are. Secondly, we show that this confusion arose from a territorial vision of space, which has important implications not only for local economic activities, but also for our own understanding of the spatiality of networks in West Africa.terrorism; space; networks; Social Network Analysis (SNA); Sahel; Sahara; West Africa
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
Author-wise bibliometric analysis based on entropy.
No full textAuthor-wise bibliometric analysis based on entropy.</p
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