1,720,975 research outputs found
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
MALIGNANT EXTERNAL OTITIS. A CASE SERIES FROM AN ITALIAN TERTIARY-CARE HOSPITAL
Get PDFObjectives: Malignant external otitis (MEO) is an. aggressive and potentially fatal disease that affects the external. auditory canal (EAC) it occurs almost exclusively in elderly, diabetic patients or immune compromised ones. The aim of this study was to describe epidemiological and clinical characteristics of a consecutive series of patients affected by malignant external otitis (MEO) and to conceive a flow-chart for its management.
Material and methods: Adult patients diagnosed with and treated for MEO at the University Hospital of Messina, Italy between 2003 and 2013 were identified. Charts were reviewed for history, clinical presentation, laboratory data treatment, and outcomes.
Results: Data of 11 patients were analyzed. Patients' mean age was 67.6 years; and ten were males. All but one suffered from diabetes and one was HIV infected. Average time of arrival at our department from onset of symptoms was 123 weeks. Intravenous antibiotics were administered in seven cases whereas exclusively oral antibiotics were given to four patients. Local antibiotic therapy was associated to systemic administration in seven cases. Four patients underwent surgical treatment. The median duration of antibiotic treatment was 12.4 weeks. Ten patients experienced a complete recovery even if in one of these residual facial palsy Was reported; one patient died Of a skull base Osteomyelitis with Multiple nerve involvement. A flow-chart which could guide physicians in the management of MEO is proposed.
Conclusions. Malignant external otitis still remains today a very challenging issue Randomized clinical trials are needed to better clarify which Medical and surgical treatment could be the gold standard. A consensus diagnostic flow diagram could help in the management of this pathology
Multidisciplinary approach in the removal of post-trauma foreign bodies in the head and neck district: Cases report and review of literature
Get PDFIntroduction: The management of foreign bodies (FBs) penetrating the head and neck district is a condition rare but at risk for the patient’s life because this district is particularly rich in vital structures. Therefore, their management requires a multidisciplinary approach. Materials and methods: In this study we retrospectively examine two emblematic cases among 183 that occurred in our hospital from January 2008 to December 2017. Results: There were 183 cases of FBs of the head and neck district submitted to extraction with a range of age of between 18 months old and 79 years old. Of 183 patients, 112 were children, 60 were adults. The incidence was prevalent among children, with 112 cases against 60 cases in adults (including 11 post-dental care cases). Only 2 remaining cases described are characterized by the involvement of several districts Conclusion: Both cases evidenced like as a multidisciplinary approach is important to minimize potential complications and sequelae
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
Trans-oral robotic surgery (TORS) for the treatment of lingual tonsillitis. When conventional therapies fail
No full textBackground: Lingual tonsillitis is an underestimated but serious health problem. This paper describes the feasibility and efficacy of the trans-oral robotic surgical approach in cases of lingual tonsillitis. Materials and Methods: From February 2012 to April 2014, 10 patients affected by lingual tonsillitis resistant to medical treatments underwent transoral robotic lingual tonsillectomy at the authors’ Institution. Results: The surgical robotic procedure was completed in all cases and there was no need to change the operative approach once started. The mean set-up time was 13.2 ± 5.2 min, while mean operating time was 28 ± 12 min. The mean amount of tissue removed was 16.5 ± 13 cm3. No major intra-operative and post-operative complications were registered. After 15.2 ± 12 months of follow-up, no relapses were reported and patients did not complain of any further symptoms. Conclusion: Lingual tonsillitis seems to be safely and effectively managed by trans-oral robotic surgery. The data are encouraging and worthy of further evaluation. Copyright © 2016 John Wiley & Sons, Ltd
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