1,721,671 research outputs found
EUROPEAN COMPETITION LAW ANNUAL 2010: MERGER CONTROL IN EUROPEAN AND GLOBAL PERSPECTIVE
No full textThe book contains 24 chapters covering a wide variety of merger control regimes. It provides critical perspectives on these regimes and explores their interaction
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
Synthesis of lanthanide(III) complexes appended with a diphenylphosphinamide and their interaction with human serum albumin
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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
pH-Responsive Lanthanide Complexes Based on Reversible Ligation of a Diphenylphosphinamide
No full textLn-dpp-DO3A-based complexes [dpp is a pendant diphenylphosphinamide
moiety and DO3A is 1,4,7-tris(carboxymethyl)-1,4,7,10-
tetraazacyclododecane] exhibit pH-responsive reversible ligation of the phosphinamide for both the gadolinium(III) and europium(III) analogues.
pKa values were 8.1 (±0.1) and 7.8 (±0.1) for Gd.1 and Gd.2, respectively. The relaxivities (20 MHz, 298 K) of the gadolinium(III) analogues were r1 = 7.9 mM−1 s−1 (Gd.1) and r1 = 8.2 mM−1 s−1 (Gd.2) in acidic media, corresponding to a hydration state q = 2; in basic media, deprotonation and
coordination of the phosphinamide occurs, with r1 = 5.4 mM−1 s−1 (Gd.1) and r1 = 4.4 mM−1 s−1 (Gd.2) corresponding to q = 1.
Sensitized luminescent emission was observed from the europium(III) analogues following excitation at λex = 270 nm. The hydration state values of the europium(III) analogues were consistent with those of the gadolinium(III) complexes, i.e., q = 1 and
2 in basic and acidic media, respectively. The ratio of the emission intensities of the ΔJ = 1 and 2 bands enables concentration independent
reporting of the pH. Excited-state pKa values were 8.3 (±0.1) and 8.5 (±0.1) for Eu.1 and Eu.2, respectively
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
Biennial Message of Gov. Ralph P. Lowe delivered to the Eighth General Assembly of the State of Iowa, 1860
Get PDFThis report contains information on the Biennial Message of Gov. Ralph P. Lowe delivered to the Eighth General Assembly of the State of Iowa, 1860, 186
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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