1,721,016 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
Spinal pain: causes and treatment policy
Get PDFChronic pain in the spine is one of the most urgent medical problems. Clinical and instrumental studies fail to reveal that most patients with back pain have any structural changes that may contribute to its occurrence. It is considered that the pain may be caused by the strain of muscles and ligaments located in the lower back, by the overload of these segments, and by detraining. If the cause of the pain syndrome cannot be established, the pain in the spine is regarded as nonspecific. It is believed that behavioral, psychological, and social factors can play an important role in the development of pain. Therefore, current guidelines propose to apply a biopsychosocial approach in patients with back pain. At the same time, much attention is paid to patient self-treatment, exercise therapy, psychotherapy, and some other auxiliary methods. When nonpharmacological interventions are insufficiently effective, drug therapy is indicated. Nonsteroidal anti-inflammatory drugs (NSAIDs), paracetamol, opioid analgesics, and muscle relaxants are used to treat nonspecific spinal pain. Pharmacotherapy is usually initiated with the use of NSAIDs. They can effectively relieve pain sndrome, but the possibilities of their use in a large proportion of patients are significantly limited due to adverse reactions (ARs). Gastrointestinal and cardiovascular ARs most commonly occur. The likelihood of ARs can be substantially reduced by the use of aceclofenac (AirtalR) that is characterized by a favorable gastrointestinal and cardiovascular safety profile. Paracetamol, opioid analgesics, and muscle relaxants are also used in the combination treatment of these patients
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
Use of hyaluronic acid preparations in the combination therapy of osteoarthritis
Get PDFThe current recommendations for the pharmacotherapy of osteoarthritis (OA) primarily focus on analgesics and main concern is with the use of paracetamol and nonsteroidal anti-inflammatory drugs (NSAIDs). Intraarticular injections of first of all hyaluronic acid (HA) preparations that have proven to be effective in clinical practice are a promising treatment for OA. By taking into account the favorable safety profile of HA preparations, it may be suggested that these injections may be an acceptable alternative to NSAIDs or successfully used in combination with the latter. There have been recently the recommendations for the administration of HA preparations in OA treatment, which characterize the current practice of HA use for OA and had been prepared by a group of experts from 5 European countries. The experts consider that there is today rather solid evidence to demonstrate the efficacy of HA in mild and moderately severe knee OA; moreover, its effect is clinically significant in such patients. In the authors’ view, topical HA therapy should be a compulsory component of treatment for knee OA, since the alternative possibilities of therapy for this disease are limited. Although the optimal effect of HA is observed when it is applied in the early stage of OA, this treatment may be also useful in its late stage. HA should be regarded as an adjunct method that must be applied if surgery cannot be performed in these patients
ETHORICOXIB IN THE TREATMENT OF RHEUMATIC DISEASES
Get PDFEthoricoxib is a new-generation selective COX-2 inhibitor. It has been recently licensed in Russia for the treatment of osteoarthrosis (OA), rheumatoid arthritis (RA), ankylosing spondylitis (AS), and acute gouty arthritis. The drug is supplied as 60-, 90-, and 120-mg tablets. It is given once daily. It is used in a dose of 60 mg/day for long-term therapy for OA, 90 mg/day for RA, and 120 mg/day for the arrest of acute gouty arthritis (for not more than 8 days). The high efficacy and good tolerability of ethoricoxib have been proven by numerous clinical trials and the drug is being extensively used to treat OA, RA, AS, and acute gouty arthritis. It is also successfully used in low back pain and dysmenorrhea. A number of clinical trials have demonstrated that ethoricoxib is well tolerated; it substantially increases quality of life and may be successfully used in the long-term therapy of rheumatic diseases. Moreover, it may cause much fewer adverse gastrointestinal reactions than may nonselective nonsteroidal anti-inflammatory drugs
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