1,721,067 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
Il divieto di abuso del diritto tra antico e moderno nel dialogo tra giuristi
No full textNella cornice di un dialogo tra culture giuridiche, il contributo guarda al principio del divieto di abuso del diritto in una prospettiva di comparazione storico-critica. In particolare, lo studio si sofferma sull’antico modello dell’eccezione di dolo generale in connessione con il principio di buona fede nel diritto romano classico, nel confronto con il moderno modello dell’abuso del diritto
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
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
New methods of functional evaluation of patients with metabolic myopathies : the effects of exercise training
No full textINTRODUCTION
Mitochondrial myopathies (MM) and myophosphorylase deficiency (McArdle’s disease, McA) are genetic disorders characterized by impairments of energy metabolism which translate into reduced exercise tolerance. At present the therapeutic interventions available for these patients are very limited. Evidence has been provided that aerobic training should be considered as a treatment for these
conditions. Aim of the present study was to utilize non−invasive methods of functional evaluation, specifically aimed at oxidative metabolism at the skeletal muscle level, in order to evaluate the effects of an aerobic exercise training.
METHODS
7 MM and 8 McA patients underwent 12 weeks of exercise training (4v/weeks) at home at an heart rate (HR) corresponding to about 65-70% of the maximal HR. Oxygen uptake (V’O2) and skeletal muscle (vastus lateralis) fractional O2 extraction (by NIRS) were assessed during incremental and moderate and high-intensity constant-load exercises: All tests were carried out on a cycle
ergometer before (BEFORE) and at the end (AFTER) of the training period. Before and about 2 months after the termination of the training period average daily energy expenditure (EE) of the patients were determinated (SenseWear Armband).
RESULTS
V’O2peak increased significantly with training both in MM (from 14.7 ± 3.0 [x ± SD] mL/kg/min BEFORE to 17.6 ± 3.3 AFTER) and in McA (from 17.4 ± 4.0 mL/kg/min to 20.4 ± 4.4 mL/kg/min). Peak skeletal muscle (vastus lateralis) fractional O2 extraction increased with training both in MM (from 22.0 ± 16.5 % to 32.6 ± 14.5) and in McA (from 17.8 ± 17.9 % to 43.4 ± 17.4). During the high-intensity
constant-load exercise, MM and McA patients showed, after training, clear signs of increased exercise tolerance, such as lower HR (from 134.3 ± 26.6 b/min to 121.2 ± 21.9) and lower scores at the Borg’s scale of perceived exertion (from 14.5 ± 1.2 to 12.3 ± 1.5). EE was not different BEFORE (36.6 ± 9.2 kcal/day/kg) vs. AFTER (35.7 ± 13.4).
CONCLUSION
In MM and McA patients a 12 weeks aerobic training program significantly increased exercise tolerance. Our findings confirm that near infrared spectroscopy can effectively detect the functional improvements obtained by training, yielding insights also on the mechanisms of the improvements at the pathophysiological level. Surprisingly, the improvements in exercise tolerance obtained by
the training program did not determine an increase in average daily energy expenditure
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