1,721,089 research outputs found
Les prix du passé. Desportes (F. et P.), Salvadori (P.), Mercuriales d'Amiens et de Picardie, Centre d'histoire des sociétés de l'Université de Picardie, 1990
No full textChassagne Serge. Les prix du passé. Desportes (F. et P.), Salvadori (P.), Mercuriales d'Amiens et de Picardie, Centre d'histoire des sociétés de l'Université de Picardie, 1990. In: Études Normandes, 40e année, n°3, 1991. Normands dans l'histoire. p. 95
Optically Active Lithium 1,2-diphenyl-1,2-ethanediolate : an efficient chiral auxiliary in the enantioselective hydrosililation of ketones
No full textRegioselective Alkylation of N,N'-Diethylbenzamides via Lithiation and Copper Transmetalation Procedure
No full textThe s-triazine chromophore as a probe for the absolute configuration determination of (+)-1-(9-anthryl)ethylamine by circular dichroism
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Gli Accordi Attuativi Aziendali per i Medici Convenzionati: il caso della Regione Toscana
No full textGoing 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
Static and Dynamic Stereochemistry of Chiral Ln DOTA Analogues
No full textLn DOTA derivatives (DOTA=1,4,7,10-tetraazacyclododecane-1,4,7,10- tetraacetic acid) are known to undergo relevant stereoisomeric equilibria in solution, which greatly modulate their chemical as well as their magnetic and optical properties. The subject is reviewed in terms of classical stereochemical description, with reference to conformational enthalpies. Yb is taken as the reference element because of its unique spectroscopic properties, namely, a small contact contribution to the paramagnetic shift and an intense near-infrared electronic circular dichroism, endowed with an easily recognizable fine structure
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
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