1,720,985 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
La cochenille blanche du mûrier, principal ravageur des cassissiers en Région Rhône-Alpes
No full textWhite Peach Scale : main pest of blackcurrant-bush of the Rhône-Alpes Region
Important damages are involved by Pseudaulacaspis pentagona on blackcurrant bush in Isère country .The list of natural enemies is recorded. In spite of the presence of parasitoïds, their efficiency seems limited.Pseudaulacaspis pentagona provoque d'importants dégâts sur cassissier en Isère. Un inventaire des ennemis naturels a été dressé. Bien que l'on constate la présence de parasitoïdes, leur efficacité semble limitée.Kreiter Philippe, Coquelet C., Thaon Marcel. La cochenille blanche du mûrier, principal ravageur des cassissiers en Région Rhône-Alpes. In: Bulletin mensuel de la Société linnéenne de Lyon, 71ᵉ année, n°6, juin 2002. pp. 251-252
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
Density and Viscosity Measurements and Modeling of CO2-Loaded and Unloaded Aqueous Solutions of Potassium Lysinate
Get PDFThis paper reports new experimental data and calibrated semiempirical correlations concerning the density and viscosity of aqueous solutions of potassium lysinate (LysK), a promising bio-based solvent for postcombustion CO2 capture from flue gases, an application of relevance for industrial decarbonization. The analysis covers a LysK molality range in the solution from 2.16 to 4.44 molLysK/kgH2O, temperature intervals between 288.15 and 358.15 K, and a CO2 loading range of 0.3-0.98 molCO2/molLysK. Newly collected experimental results supported the development and calibration of semiempirical correlations for the density and viscosity of LysK solutions suitable to predict these thermophysical properties in the range of conditions tested. These models can predict the behavior of the thermophysical properties investigated with high accuracy (for loaded solutions, average absolute deviation for density equal to 1.48 kg/m3 and for viscosity of 0.04 mPa s) within the whole range of LysK concentration, temperature, and CO2 loading explored. Validation against literature data lying outside the calibration range shows an accuracy for density correlation ≤3%, while for the viscosity model, deviations are larger and vary between 1 and 15% of the measured value
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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