1,721,003 research outputs found
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
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
The care trajectories of patients with End-Satge Kidney Disease (ESKD) who started dilaysis in emergency : a mixed methods study
No full textLa maladie rénale chronique (MRC) est la perte progressive, silencieuse et irréversible des reins. Au stade terminal de la maladie, un traitement de suppléance des reins est nécessaire : des séances de dialyse ou la greffe. La période de transition vers la suppléance est délicate et environ 30% des malades démarrent la dialyse en urgence chaque année en France. Un tel démarrage est délétère pour le malade et la suite de son parcours et reste fréquent malgré l’existence d’un guide de parcours de soins produit par la Haute Autorité de Santé. L’objectif général était d’étudier les parcours de soins des malades rénaux chroniques ayant démarré la dialyse en urgence (DU) au moyen d’une méthodologie mixte. Au sein d’un volet quantitatif, un appariement entre le registre du Réseau Epidémiologique et Information en Néphrologie (REIN) et le Système National des Données de Santé (SNDS) a permis d’inclure 8856 patients ayant démarré la dialyse en 2015 en France et d’identifier 6 types de parcours des 2 ans pré-dialyse sous l’angle de la consommation de soins. Les taux de DU variaient de 13,8% à 61,8% entre les types. Les co-morbidités et le moindre suivi néphrologique étaient des facteurs associés au à plus grand risque de DU, mais pas le moindre suivi avec un généraliste. Le volet qualitatif, incluant 20 patients ayant démarré la dialyse en urgence, 18 néphrologues et 12 généralistes, mettait en évidence la dissonance entre la maladie diagnostiquée et traitée par les médecins et celle perçue par les malades ainsi que la réticence de ces derniers face au traitement par dialyse. Dans ce volet, 5 types de trajectoires ont été décrites avec différents mécanismes de façonnement aboutissant au DU. Enfin, nous mettons en évidence l’importance des dynamiques de collaboration entre généralistes et néphrologues dans le façonnement des parcours. L’intégration des résultats des deux volets d’étude a permis l’identification d’implications pour les politiques de santé et de nouvelles perspectives de recherche.Chronic Kidney disease (CKD) is the progressive and silent loss of the kidneys. Once end-stage reached, kidney replacement therapy is required: dialysis or transplantation. The transition period is delicate and about 30% of patients start dialysis in emergency (EDS) each year in France. Such start is deleterious for the rest of the patients’ trajectories and remains frequent despite care management recommendations from authorities. The objective was to study the care trajectories of ESKD who started dialysis in emergency through a mixed methodology. With a quantitative component, a record linkage between the REIN registry and the French National Healthcare Database (SNDS) allowed the inclusion of 8856 patients who started dialysis in 2015 in France and the identification of six 2-years pre-dialysis care trajectories based on healthcare consumption. EDS rates varied between 13.8% and 61.8%. Comorbidities and lesser nephrological care were associated with increased EDS risk, conversely to follow-up with a general practitioner (GP). The qualitative component included 20 patients with EDS, 18 nephrologists and 12 GPs. It highlighted the gap between practitioners’ disease and patients’ illness as well as their reluctance towards dialysis. Five types of trajectories were described including different mechanisms explaining EDS. Lastly, we highlighted the importance of the dynamics of collaboration between GPs and nephrologists in the CKD care trajectories shaping process. Integration of results brought by the two components allowed the identification of implications on healthcare policies as well as new research perspectives
Combiner données quantitatives et qualitatives dans l’étude des parcours de soins :exemple de la maladie rénale chronique
No full textInternational audienc
Étude des parcours de soins des insuffisants rénaux chroniques terminaux ayant démarré la dialyse en urgence par une approche méthodologique mixte
No full textChronic Kidney disease (CKD) is the progressive and silent loss of the kidneys. Once end-stage reached, kidney replacement therapy is required: dialysis or transplantation. The transition period is delicate and about 30% of patients start dialysis in emergency (EDS) each year in France. Such start is deleterious for the rest of the patients’ trajectories and remains frequent despite care management recommendations from authorities. The objective was to study the care trajectories of ESKD who started dialysis in emergency through a mixed methodology. With a quantitative component, a record linkage between the REIN registry and the French National Healthcare Database (SNDS) allowed the inclusion of 8856 patients who started dialysis in 2015 in France and the identification of six 2-years pre-dialysis care trajectories based on healthcare consumption. EDS rates varied between 13.8% and 61.8%. Comorbidities and lesser nephrological care were associated with increased EDS risk, conversely to follow-up with a general practitioner (GP). The qualitative component included 20 patients with EDS, 18 nephrologists and 12 GPs. It highlighted the gap between practitioners’ disease and patients’ illness as well as their reluctance towards dialysis. Five types of trajectories were described including different mechanisms explaining EDS. Lastly, we highlighted the importance of the dynamics of collaboration between GPs and nephrologists in the CKD care trajectories shaping process. Integration of results brought by the two components allowed the identification of implications on healthcare policies as well as new research perspectives.La maladie rénale chronique (MRC) est la perte progressive, silencieuse et irréversible des reins. Au stade terminal de la maladie, un traitement de suppléance des reins est nécessaire : des séances de dialyse ou la greffe. La période de transition vers la suppléance est délicate et environ 30% des malades démarrent la dialyse en urgence chaque année en France. Un tel démarrage est délétère pour le malade et la suite de son parcours et reste fréquent malgré l’existence d’un guide de parcours de soins produit par la Haute Autorité de Santé. L’objectif général était d’étudier les parcours de soins des malades rénaux chroniques ayant démarré la dialyse en urgence (DU) au moyen d’une méthodologie mixte. Au sein d’un volet quantitatif, un appariement entre le registre du Réseau Epidémiologique et Information en Néphrologie (REIN) et le Système National des Données de Santé (SNDS) a permis d’inclure 8856 patients ayant démarré la dialyse en 2015 en France et d’identifier 6 types de parcours des 2 ans pré-dialyse sous l’angle de la consommation de soins. Les taux de DU variaient de 13,8% à 61,8% entre les types. Les co-morbidités et le moindre suivi néphrologique étaient des facteurs associés au à plus grand risque de DU, mais pas le moindre suivi avec un généraliste. Le volet qualitatif, incluant 20 patients ayant démarré la dialyse en urgence, 18 néphrologues et 12 généralistes, mettait en évidence la dissonance entre la maladie diagnostiquée et traitée par les médecins et celle perçue par les malades ainsi que la réticence de ces derniers face au traitement par dialyse. Dans ce volet, 5 types de trajectoires ont été décrites avec différents mécanismes de façonnement aboutissant au DU. Enfin, nous mettons en évidence l’importance des dynamiques de collaboration entre généralistes et néphrologues dans le façonnement des parcours. L’intégration des résultats des deux volets d’étude a permis l’identification d’implications pour les politiques de santé et de nouvelles perspectives de recherche
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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