1,720,976 research outputs found
Can google trends and wikipedia help traditional surveillance? A pilot study on measles
No full textIntroduction: Cases of measles in some European countries are increasing. The aim of this study
is to find the correlation between Google Trends and Wikipedia searches and the real number of cases notified.
Materials and Methods: The data on Internet searches have been obtained from Google Trends and
Wikipedia. The reported cases of measles were selected from January 2013 until December 2018 for Google
Trends and July 2015 until December 2018 from for Wikipedia. We have selected data from four European
Countries: Italy, France, Germany and Romania. The data extracted from Wikipedia and Google Trends have
been moved over time (Lag), one month in the future and one month in the past. Cross-correlation results
are obtained as product-moment correlations between the two time series. The statistical analyses have been
performed by using the Spearman’s rank correlation coefficient or Pearson correlation coefficient. Results: A
temporal correlation was observed between the bulletin of ECDC and Wikipedia search trends. For Wikipedia
the strongest correlation is at a lag of +1 for rougeole (r=0.9006) and masern (r=0.7023) and at lag 0 for
morbillo (r=0.8892) and rujeola (r=0.5462); for Google Trends the strongest correlation at a lag 0 for rougeole
(rho=0.7398), symptômes rougeole (rho=0.3399), masern (rho=0.6484), sintomi morbillo (rho=0.6029), rujeola
(rho=0.7209), simptome rujeola (rho=0.5297) and at lag -1 for masern symptom (rho=0.4536) and morbillo
(rho=0.5804). Conclusions: Google and Wikipedia could play an important role in surveillance, although these
tools need to be combined with traditional surveillance systems
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
Covid-19: cities get hit first, but do not necessarily get hit harder
No full textIs there a link between population density and COVID-19 spread and severity in the United States? Felipe Carozzi, Sandro Provenzano and Sefi Roth (Centre for Economic Performance, LSE) found denser locations were more likely to have an early outbreak, but do not necessarily suffer more in the longer run
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
COVID-19 infection: Comparing the knowledge, attitude and practices in a sample of nursing students
No full textBackground: SARS-CoV-2 infection is a global health problem that is primarily detected in Italy
with progressive increase in cases and deaths. To facilitate the management of the pandemic in Italy, it is essential
to understand the level of attention on COVID-19. The aim of the study was to evaluate the knowledge,
attitude and practices towards SARS-CoV-2 among the nursing students of University of Palermo during
the rapid rise period of the COVID-19 pandemic. Methods: The current study was a cross-sectional study.
On-line questionnaires were used for the collection of the data by providing a survey in all nursing students.
The questionnaire consisted of two parts: demographics and Knowledge, Attitude and Practices (KAP) survey.
A multivariate linear regression model was used and adjusted Odds Ratios (aOR) are presented. Results:
525 students were interviewed and their mean age was 21.8. The overall score indicates good practices among
the three courses of study (p=0.025). The Multivariable logistic regression showed that the dependent variable
“Practice poor score” is statistically significant associated with these independent variables: “Other country
of birth” (aOR 17.7, 95% CI 2.31-136.03), “second” (aOR 2.65, 95% CI 1.21-7.80) and “third” (aOR 2.96,
95% CI 1.31-6.72) year of study, “low perceived health status”(aOR 2.35, 95% CI 1.04-5.30) and “Knowledge
poor score (aOR 3.05, 95% CI 1.06-8.77). Conclusion: Our results suggest that health education programs
aimed at improving COVID-19 knowledge are helpful for nursing students to hold optimistic attitudes and
maintain appropriate practices. (www.actabiomedica.it
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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