1,721,023 research outputs found
Alain Lefebvre. Dominique Méda. Faut-il brûler le modèle social français?
No full textNezosi Gilles. Alain Lefebvre. Dominique Méda. Faut-il brûler le modèle social français?. In: Recherches et Prévisions, n°87, 2007. La nouvelle administration. Le social administré. pp. 105-106
Alain Lefebvre. Dominique Méda. Faut-il brûler le modèle social français?
No full textNezosi Gilles. Alain Lefebvre. Dominique Méda. Faut-il brûler le modèle social français?. In: Recherches et Prévisions, n°87, 2007. La nouvelle administration. Le social administré. pp. 105-106
Le Postglaciaire de la Basse-Seine. Sédiments et chronostratigraphie.
No full textConclusions on the nature of Holocene deposits and the behaviour of the Flandrian transgression have been obtained through studies of sediment from bore-holes in and above the Seine estuary. Stratigraphy is aided here by pollen analysis and 14C dating.L'étude sédimentologique de quelques forages dans l'estuaire de la Seine et en amont, apporte des précisions sur les caractères des dépôts holocènes et sur les modalités de la transgression flandrienne. L'analyse pollinique, complétée par des datations C14, précise la stratigraphie de ces dépôts.Huault Marie-Françoise, Lefebvre Dominique. Le Postglaciaire de la Basse-Seine. Sédiments et chronostratigraphie.. In: Bulletin de l'Association française pour l'étude du quaternaire, vol. 11, n°3-4, 1974. Quaternaire et préhistoire de la Somme et de la Basse Seine. pp. 253-256
Le Golfe du Lion et le Paléo-Rhône messinien
No full textThe messinian erosional surface buried beneath the Guif of Lion has been mapped by to a dense, systematic seismic reflexion profiles survey. A river system running downward the evaporitic basin is carved across this surface. The main stream, the paleo-Rhône, has been surim posed on a mesozoic ridge as deep as 600 m during messinian low sea level. From the consideration of its profile of equilibrium, the authors think that the contemporaneous coastline was lying at about 1 000 m below the last tortonian sea level.Une étude détaillée de la surface messinienne sous les sédiments du golfe du Lion a été réalisée au moyen d'une couverture dense de sismique réflexion. Parmi les rivières qui drainent cette paléosurface, la plus importante est le paléo-Rhône dont le cours entaille sur 600 m de profondeur une ride mésozoïque. Par l'étude de son profil d'équilibre, les auteurs concluent que le rivage messinien devait se situer à 1000 m sous le niveau mondial des océans.Gennesseaux Maurice, Lefebvre Dominique. Le Golfe du Lion et le Paléo-Rhône messinien. In: Géologie Méditerranéenne. Tome 7, numéro 1, 1980. Aspects dynamiques du passage Miocène – Pliocène en Méditerranée. pp. 71-80
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
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