1,720,955 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
Analysis of thrombin generation in patients with von Willebrand's disease
No full textVon Willebrandova bolest je najčešći poremećaj zgrušavanja krvi uzrokovan manjkom ili patološkom promjenom VWF. Cilj ovog
rada bio je određivanje stvaranja trombina u bolesnika s VWB pomoću komercijalno dostupnog testa TGA RB na analizatoru
Ceveron®s100 serije (Technoclone, Beč, Austrija), odnosno utvrditi vrijednost navedenog testa u dijagnostici VWB. Analizirani su uzorci 72 ispitanika s kliničkom sumnjom na VWB koji su podijeljeni u 5 osnovnih skupina: tip 1 VWB (N=21), tip 2 VWB
(N=23), tip 3 VWB (N=7), „niski VWF“ (N=6) i bolesnici bez dokazane mutacije u genu za VWF (N=15). Parametri testa TGA RB
(tLag, tPeak, Peak, VI i AUC) uspoređivani su između skupina ispitanika sa i bez VWB. Analizirani rezultati ukazuju na postojanje statistički značajne razlike izmjerenih parametara ovisno o prisutnosti bolesti, ali i o samom tipu bolesti. Dodatnom analizom ispitivanih parametara testa TGA RB s obzirom na krvno srodstvo ispitanika utvrđena je statistički značajna razlika za Peak i VI između pojedinih obitelji. Ispitana je korelacija ispitivanih parametara TGA RB s VWF:Ag, aktivnosti VWF, APTV-om i aktivnosti FVIII. Analizom je utvrđena slaba ili umjerena do dobra povezanost svih izmjerenih parametara s VWF:Ag, aktivnosti VWF, APTV-om i aktivnosti FVIII (uz izuzetak aktivnosti VWF i AUC). Iz dobivenih rezultata vidljivo je kako brzina stvaranja trombina ovisi o tome boluje li ispitivana osoba od VWB ili je zdrava, a i tip VWB utječe na brzinu stvaranja trombina. Utvrđeno je da stvaranje trombina ovisi o krvnom srodstvu, vidljive su statistički značajne razlike za pik trombina i VI između pojedinih obitelji.
Parametri TGA RB pokazuju dobru korelaciju s parametrima koji se koriste u rutinskoj dijagnostici VWB te bi se na temelju
dobivenih rezultata i sam test TGA RB mogao koristiti za probir bolesnika s VWB.Von Willebrand's disease is the most common blood clotting disorder caused by a lack or pathological change of VWF. The aim of this work was to determine thrombin generation in patients with VWD using the commercially available TGA RB test on the Ceveron®s100 series analyzer (Technoclone, Vienna, Austria), that is, to determine the value of the said test in the diagnosis of VWD. Samples of 72 subjects with clinical suspicion of VWD were analyzed and divided into 5 basic groups: type 1 VWD (N=21), type 2 VWD (N=23), type 3 VWD (N=7), "low VWF" ( N=6) and patients without a proven mutation in the VWF gene (N=15). TGA RB test parameters (tLag, tPeak, Peak, VI and AUC) were compared between groups of subjects with and without VWD. The obtained results indicate the existence of a statistically significant difference in the measured parameters depending on the presence of the disease, but also on the type of disease itself. An additional analysis of the examined parameters of TGA RB was made with regard to the blood relationship of the subjects. A statistically significant difference is visible for Peak and VI between individual families. The correlation of the tested TGA RB parameters with VWF:Ag, VWF activity, APTV and FVIII activity was examined. The analysis revealed a weak or moderate to good correlation of all measured parameters with VWF:Ag, VWF activity, APTV and FVIII activity (with the exception of VWF activity and AUC). The obtained results show that the rate of thrombin generation depends on whether the person tested is suffering from VWD or is healthy, and the type of VWD affects the rate of thrombin generation. It was established that the formation of thrombin depends on the blood relationship, statistically significant differences are visible for the thrombin peak and VI between individual families. The TGA RB parameters are showing a good correlation with the parameters used in the routine diagnosis of VWD, and based on the obtained results, the TGA RB itself could be used to screen patients with VWD
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
Analysis of thrombin generation in patients with von Willebrand's disease
No full textVon Willebrandova bolest je najčešći poremećaj zgrušavanja krvi uzrokovan manjkom ili patološkom promjenom VWF. Cilj ovog
rada bio je određivanje stvaranja trombina u bolesnika s VWB pomoću komercijalno dostupnog testa TGA RB na analizatoru
Ceveron®s100 serije (Technoclone, Beč, Austrija), odnosno utvrditi vrijednost navedenog testa u dijagnostici VWB. Analizirani su uzorci 72 ispitanika s kliničkom sumnjom na VWB koji su podijeljeni u 5 osnovnih skupina: tip 1 VWB (N=21), tip 2 VWB
(N=23), tip 3 VWB (N=7), „niski VWF“ (N=6) i bolesnici bez dokazane mutacije u genu za VWF (N=15). Parametri testa TGA RB
(tLag, tPeak, Peak, VI i AUC) uspoređivani su između skupina ispitanika sa i bez VWB. Analizirani rezultati ukazuju na postojanje statistički značajne razlike izmjerenih parametara ovisno o prisutnosti bolesti, ali i o samom tipu bolesti. Dodatnom analizom ispitivanih parametara testa TGA RB s obzirom na krvno srodstvo ispitanika utvrđena je statistički značajna razlika za Peak i VI između pojedinih obitelji. Ispitana je korelacija ispitivanih parametara TGA RB s VWF:Ag, aktivnosti VWF, APTV-om i aktivnosti FVIII. Analizom je utvrđena slaba ili umjerena do dobra povezanost svih izmjerenih parametara s VWF:Ag, aktivnosti VWF, APTV-om i aktivnosti FVIII (uz izuzetak aktivnosti VWF i AUC). Iz dobivenih rezultata vidljivo je kako brzina stvaranja trombina ovisi o tome boluje li ispitivana osoba od VWB ili je zdrava, a i tip VWB utječe na brzinu stvaranja trombina. Utvrđeno je da stvaranje trombina ovisi o krvnom srodstvu, vidljive su statistički značajne razlike za pik trombina i VI između pojedinih obitelji.
Parametri TGA RB pokazuju dobru korelaciju s parametrima koji se koriste u rutinskoj dijagnostici VWB te bi se na temelju
dobivenih rezultata i sam test TGA RB mogao koristiti za probir bolesnika s VWB.Von Willebrand's disease is the most common blood clotting disorder caused by a lack or pathological change of VWF. The aim of this work was to determine thrombin generation in patients with VWD using the commercially available TGA RB test on the Ceveron®s100 series analyzer (Technoclone, Vienna, Austria), that is, to determine the value of the said test in the diagnosis of VWD. Samples of 72 subjects with clinical suspicion of VWD were analyzed and divided into 5 basic groups: type 1 VWD (N=21), type 2 VWD (N=23), type 3 VWD (N=7), "low VWF" ( N=6) and patients without a proven mutation in the VWF gene (N=15). TGA RB test parameters (tLag, tPeak, Peak, VI and AUC) were compared between groups of subjects with and without VWD. The obtained results indicate the existence of a statistically significant difference in the measured parameters depending on the presence of the disease, but also on the type of disease itself. An additional analysis of the examined parameters of TGA RB was made with regard to the blood relationship of the subjects. A statistically significant difference is visible for Peak and VI between individual families. The correlation of the tested TGA RB parameters with VWF:Ag, VWF activity, APTV and FVIII activity was examined. The analysis revealed a weak or moderate to good correlation of all measured parameters with VWF:Ag, VWF activity, APTV and FVIII activity (with the exception of VWF activity and AUC). The obtained results show that the rate of thrombin generation depends on whether the person tested is suffering from VWD or is healthy, and the type of VWD affects the rate of thrombin generation. It was established that the formation of thrombin depends on the blood relationship, statistically significant differences are visible for the thrombin peak and VI between individual families. The TGA RB parameters are showing a good correlation with the parameters used in the routine diagnosis of VWD, and based on the obtained results, the TGA RB itself could be used to screen patients with VWD
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
Author-wise bibliometric analysis based on entropy.
No full textAuthor-wise bibliometric analysis based on entropy.</p
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