1,721,060 research outputs found
ENDOVESICAL THERAPY IN HIGH RISK NON MUSCLE INVASIVE BLADDER CANCER: A NEW CHEMOSENSITIVITY TEST
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Going 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
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
How urinary stone emergencies changed in the time of COVID-19?
No full textThe pandemic acute respiratory syndrome coronavirus 2 (SARS-CoV-2), named COVID-19 [1], is generating a severe health emergency all over the world but particularly in some countries. The healthcare challenge is to provide assistance to the increasing number of infected patients, to contain ways of transmission and at the same time to treat all the non-deferrable medical conditions that continue to affect the population. Moreover, the most relevant problems are in the management of all first aid accesses and emergencies other than COVID-19. In this brief communication, we report our experience on the diagnostic and therapeutic procedures requested and performed for urinary stone emergencies during a 6-week period activity in a hospital partially converted to COVID-19 care and in the highest national level of COVID-19 infection (March–April 2020), with the management performed in the same hospital in a no-COVID-19 period (March–April 2019) 1 year ago. In particular, we analyzed differences between these two time-related populations in terms of patients and urinary stone characteristics, symptoms and complications at presentation, diagnostic and therapeutic approaches, time of hospitalization. ANOVA analysis and Chi square test were used to quantify the differences between the two time periods. Some relevant data are obtained (Table (Table1):1): (1) independent to COVID-19 infection, in our hospital, the number of first aid accesses for urinary stone emergencies did not significantly change (44 cases in the no COVID-19 period versus 36 cases in the COVID-19 period) (2) patients presenting during COVID-19 time showed significantly higher serum levels of creatinine (p = 0.026) when compared to a no-COVID-19 period. These data may suggest a delay in terms of patient presentation to the hospital, related to the pandemic. (3) However, no significant differences were detected in terms of complication rates, urinary stone diameter or grade of hydronephrosis due to COVID-19 pandemic. (4) Stone position significantly changed with a higher rate of lumbar ureter and lower of juxta-vesical site during COVID-19 period (p = 0.036). The reduction of first aid access for juxta-vesical site stones may be interpreted through a higher rate of its management using medical therapies at home. (5) Diagnostic and therapeutic approach to urinary stone emergencies did not significantly change compared to the non-pandemic period. In particular, the use of nephrostomy or ureteral stent for the first aid did not significantly change. Across a 6-week period during the peak of the COVID-19 pandemic, urinary stone emergencies continued to be managed with few significant variations in a geographical area at medium density for COVID-19 and in a hospital partially converted in first aid care
Dispelling the Myths Behind First-author Citation Counts
Full text linkWe 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
Author-wise bibliometric analysis based on entropy.
No full textAuthor-wise bibliometric analysis based on entropy.</p
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