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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
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
Basin Mode Waves in a Rotating, Cylindrical, Water Tank
No full textUniversity Honors Capstone Project Paper and Poster, University of Minnesota Duluth, 2018. Mark Kallevig authored paper and poster; Dr. Samuel Kelly authored poster. Faculty Advisor: Dr. Samuel Kelly.Basin modes, standing waves excited by wind and storms, are possible in every body of water. The frequency and shape of basin mode waves depends on the size, depth, shape, and latitude of the body of water. In small lakes, basin mode waves have short periods of less than an hour. The latitude of the lake has little effect because the scale of the lake is not large enough for the Coriolis force to alter its behavior. In oceans, the period of these waves can exceed a day, and the propagation of waves is dramatically altered by the Coriolis force. For large lakes, such as Lake Superior or Lake Victoria (in Africa), little is known about the nature of the basin mode waves because the scale of these lakes is large enough that the Coriolis Force has an effect, but not so large that they behave as oceans. To understand these waves, I applied analytical and numerical techniques to determine the normal modes in the simplified system of a cylindrical, rotating, water tank. The solution is a Bessel function of tank radius multiplied by a sinusoid of the angle. There are an infinite number of solutions for each mode of Bessel function. After deriving and extending existing solutions, I compared the solutions to normal modes in a numerically modelled lake. I found great similarity between the predictions of linear theory, and the MIT General Circulation Model (MITgcm). The MITgcm replicated a number of the normal modes and approximately matched modal frequencies. The MITgcm also exhibited a Kelvin wave.Kallevig, Mark. (2018). Basin Mode Waves in a Rotating, Cylindrical, Water Tank. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/199908
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