1,720,963 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
Kidney disease in patients with liver cirrhosis
No full textPrevalencija ciroze jetre u porastu je diljem svijeta. Liječenje ciroze i njenih komplikacija vrlo je skupo i često nije uspješno bez postupka transplantacije jetre (TJ), što ovu temu čini izuzetno relevantnom za medicinsku zajednicu. Ciroza sa sobom nosi brojne komplikacije koje zahvaćaju različite organske sustave, poput: varikoznog krvarenja, ascitesa, spontanog bakterijskog peritonitisa (SBP), hepatičke encefalopatije, hepatocelularnog karcinoma (HCC), hepatopulmonalnog sindroma i hepatorenalnog sindroma (HRS). Bubrežne bolesti često su prisutne kao posljedica ciroze jetre. Na temelju trajanja i težine poremećaja bubrežne funkcije, bubrežna disfunkcija klasificira se kao akutna bubrežna ozljeda (AKI), akutna bubrežna bolest (AKD) i kronična bubrežna bolest (KBB). KBB se sve češće dijagnosticira, a njezina prevalencija je u porastu. Dijeli se na funkcionalnu i strukturnu, ovisno o prisutnosti morfološkog oštećenja bubrega. Glavni čimbenici rizika za razvoj KBB uključuju hipertenziju, dijabetes, nealkoholnu masnu bolest jetre (NAFLD), cirozu jetre te infekciju virusima hepatitisa B i C. Osim KBB, AKI je također često prisutna kod pacijenata s cirozom i etiološki se dijeli na prerenalnu, intrarenalnu, postrenalnu i HRS-AKI. Među najčešćim uzrocima nalaze se hipovolemija, HRS-AKI i akutna tubularna nekroza (ATN). HRS-AKI relativno je nov pojam koji je zamijenio raniji naziv HRS tip 1 i javlja se isključivo kod pacijenata s cirozom i ascitesom. Infekcije virusima HCV i HBV često uzrokuju oštećenje i jetre i bubrega te su stoga čest uzrok bubrežne disfunkcije kod pacijenata s cirotičnom jetrom. Bubrežna disfunkcija može biti posljedica i IgA nefropatije. Ključno je razumjeti patofiziološki mehanizam koji dovodi do bubrežne disfunkcije i postaviti točnu dijagnozu kako bi se takva stanja mogla pravilno liječiti i kontrolirati.The prevalence of liver cirrhosis is increasing worldwide. Treatment of cirrhosis and its complications is very costly and not always successful, making this topic highly relevant to the medical community. Cirrhosis brings numerous complications across various organ systems, such as: variceal bleeding, ascites, spontaneous bacterial peritonitis (SBP), hepatic encephalopathy, hepatocellular carcinoma (HCC), hepatopulmonary syndrome, and hepatorenal syndrome (HRS). Renal diseases are often present as a consequence of liver cirrhosis. Based on the duration and severity of kidney function abnormalities, renal dysfunction is classified into acute kidney injury (AKI), acute kidney disease (AKD), and chronic kidney disease (CKD). CKD is being diagnosed more frequently and its prevalence is rising. It is classified as either functional or structural depending on the presence of morphological kidney damage. The main risk factors for CKD development include hypertension, diabetes, NAFLD, liver cirrhosis, and HBV or HCV infection. In addition to CKD, AKI is also commonly seen in patients with cirrhosis and is classified by etiology into prerenal, intrarenal, postrenal, and HRS-AKI. In terms of frequency, the most common causes include hypovolemia, HRS-AKI, and acute tubular necrosis (ATN). HRS-AKI is a relatively new term that has replaced the former HRS type 1 and occurs exclusively in cirrhotic patients with ascites. HCV and HBV infections frequently cause both liver and kidney damage, and are therefore commonly found as a cause of renal impairment in patients with cirrhotic liver. Renal dysfunction may also result from IgA nephropathy. It is essential to understand the pathophysiological mechanism underlying renal dysfunction and establish an accurate diagnosis in order to properly manage and treat such renal conditions
TERITORIJALNO I OSOBNO KRŠĆANSTVO
Get PDFKršćanstvo je jedna realnost u svijetu koja se u mnogočemu i ne razlikuje od svijeta. Ono se manifestira i kao zajednica osoba koje žive u svijetu i egzistencijalno su vezane za sudbinu svijeta
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
Kidney disease in patients with liver cirrhosis
No full textPrevalencija ciroze jetre u porastu je diljem svijeta. Liječenje ciroze i njenih komplikacija vrlo je skupo i često nije uspješno bez postupka transplantacije jetre (TJ), što ovu temu čini izuzetno relevantnom za medicinsku zajednicu. Ciroza sa sobom nosi brojne komplikacije koje zahvaćaju različite organske sustave, poput: varikoznog krvarenja, ascitesa, spontanog bakterijskog peritonitisa (SBP), hepatičke encefalopatije, hepatocelularnog karcinoma (HCC), hepatopulmonalnog sindroma i hepatorenalnog sindroma (HRS). Bubrežne bolesti često su prisutne kao posljedica ciroze jetre. Na temelju trajanja i težine poremećaja bubrežne funkcije, bubrežna disfunkcija klasificira se kao akutna bubrežna ozljeda (AKI), akutna bubrežna bolest (AKD) i kronična bubrežna bolest (KBB). KBB se sve češće dijagnosticira, a njezina prevalencija je u porastu. Dijeli se na funkcionalnu i strukturnu, ovisno o prisutnosti morfološkog oštećenja bubrega. Glavni čimbenici rizika za razvoj KBB uključuju hipertenziju, dijabetes, nealkoholnu masnu bolest jetre (NAFLD), cirozu jetre te infekciju virusima hepatitisa B i C. Osim KBB, AKI je također često prisutna kod pacijenata s cirozom i etiološki se dijeli na prerenalnu, intrarenalnu, postrenalnu i HRS-AKI. Među najčešćim uzrocima nalaze se hipovolemija, HRS-AKI i akutna tubularna nekroza (ATN). HRS-AKI relativno je nov pojam koji je zamijenio raniji naziv HRS tip 1 i javlja se isključivo kod pacijenata s cirozom i ascitesom. Infekcije virusima HCV i HBV često uzrokuju oštećenje i jetre i bubrega te su stoga čest uzrok bubrežne disfunkcije kod pacijenata s cirotičnom jetrom. Bubrežna disfunkcija može biti posljedica i IgA nefropatije. Ključno je razumjeti patofiziološki mehanizam koji dovodi do bubrežne disfunkcije i postaviti točnu dijagnozu kako bi se takva stanja mogla pravilno liječiti i kontrolirati.The prevalence of liver cirrhosis is increasing worldwide. Treatment of cirrhosis and its complications is very costly and not always successful, making this topic highly relevant to the medical community. Cirrhosis brings numerous complications across various organ systems, such as: variceal bleeding, ascites, spontaneous bacterial peritonitis (SBP), hepatic encephalopathy, hepatocellular carcinoma (HCC), hepatopulmonary syndrome, and hepatorenal syndrome (HRS). Renal diseases are often present as a consequence of liver cirrhosis. Based on the duration and severity of kidney function abnormalities, renal dysfunction is classified into acute kidney injury (AKI), acute kidney disease (AKD), and chronic kidney disease (CKD). CKD is being diagnosed more frequently and its prevalence is rising. It is classified as either functional or structural depending on the presence of morphological kidney damage. The main risk factors for CKD development include hypertension, diabetes, NAFLD, liver cirrhosis, and HBV or HCV infection. In addition to CKD, AKI is also commonly seen in patients with cirrhosis and is classified by etiology into prerenal, intrarenal, postrenal, and HRS-AKI. In terms of frequency, the most common causes include hypovolemia, HRS-AKI, and acute tubular necrosis (ATN). HRS-AKI is a relatively new term that has replaced the former HRS type 1 and occurs exclusively in cirrhotic patients with ascites. HCV and HBV infections frequently cause both liver and kidney damage, and are therefore commonly found as a cause of renal impairment in patients with cirrhotic liver. Renal dysfunction may also result from IgA nephropathy. It is essential to understand the pathophysiological mechanism underlying renal dysfunction and establish an accurate diagnosis in order to properly manage and treat such renal conditions
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