1,720,958 research outputs found
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
Two typologies of endodontic instrument handle are here investigated for tactility modifications.
No full textAIM: The purpose of this comparative study was to evaluate possible modifications of tactility (deep and discriminative tactile sensitivity) using manual endodontic instruments equipped with traditional handles compared with innovative silicone handle versions.
METHODS: Sixteen subjects were selected and supplied with resin Endo-Training-Block simulators, latex gloves and manual endodontic instruments with diameters ranging from 10 to 40 mm. All instruments had traditional and silicon handles. The investigation of deep and discriminative tactile sensitivity was performed at 0, 15, 30, and 45 minutes of the manual instrumentation with an esthesiometer. We obtain each of our data from the median of three consecutive measurements. The results were then statistically analyzed thanks to the ANOVA test: P=0.003 for subjects, P<0.001 for time factor, and P=0.010 for sensitivity-time interaction.
RESULTS: We observed a better tactility with silicone handle instruments, comparing the two kinds of handle (regardless of the finger tested) as well as singly analyzing the thumb and index finger.
CONCLUSION: Despite the sample limited extension, the loss of deep cutaneous and discrimination sensitivity seems to be reduced using silicone handles, most likely favoring an improvement of the working performance
[Prevalence of occupational allergic symptoms among bakers of Verona].
No full textThe aim of the study is to evaluate the prevalence of respiratory and skin symptoms among bakers in the district of Verona by means of two standardized questionnaires, a clinical one administered to the bakeries employees, either directly exposed to flour dust or not exposed, and one concerning the characteristics of the bakery environment. The study involved 613 bakery workers, 401 bakers and 212 sales personnel employed in 152 bakeries. Bakers exposed to flour dust reported nasal symptoms in 29.2% of cases, ocular symptoms in 13.2%, cough, shortness of breath, chest tightness, wheezing respectively in 8.7%, 7%, 4.5% 6.2% of cases, itch and skin burning with paleness respectively in 9.7% and 8.5%. A significantly lower prevalence of these symptoms, except skin paleness, was reported among the sales personnel. In bakers, a significant correlation was found between ocular-nasal and respiratory symptoms and family or self-reported history of atopy (p = 0.001). Reported flour dust air pollution at the workplace correlated with occupational ocular-nasal and respiratory symptoms (p = 0.001). Flour dust on skin and clothes correlated with crusts and excoriations (p = 0.01). Our study confirms the high prevalence of allergic symptoms among bakers and the need of clinical assessment
Psicopatologie correlate all'attività lavorativa
No full textVengono riportati i risultati dell'attività ambulatoriale del Servizio di Medicina del Lavoro di Verona relativa ai casi di disagio lavorativo in conseguenza di rischi psicosociali di origine lavorativ
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
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