1,721,069 research outputs found

    Going Beyond Counting First Authors in Author Co-citation Analysis

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    The 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

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    “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

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    We 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

    Socio-economic determinants and multiple sclerosis : Influence on the evolution and therapeutic health care

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    L’objectif de la thèse était d’étudier l’influence des déterminants socio-économiques dans l’évolution et la prise en charge thérapeutique de la Sclérose en Plaques (SEP). Dans une 1ère partie, nous avons réalisé une revue de la littérature afin d’identifier l’association entre les déterminants socio-économiques et risque de développer une SEP. Les études les plus récentes, de bon niveau méthodologique, sur de grandes cohortes de patients mettent en avant qu’un faible niveau socio-économique serait associé à un risque plus élevé de développer une SEP. Dans une 2ème partie, nous avons étudié l’influence des déterminants socio-économiques sur le risque d’atteindre des niveaux de handicap modérés (EDSS 4) et sévères (EDSS 6) chez des patients atteints de SEP récurrente-rémittente (SEP-RR) et secondairement progressive (SEP-SP), inclus dans les bases de données de 3 centres expert SEP de l’Observatoire Français de la SEP (OFSEP), Caen, Rouen et Lille (N=3641). Comme indicateur du niveau socio-économique, nous avons utilisé l’EDI, un indice agrégé et écologique de défavorisation socio-économique. Le risque d’atteindre un EDSS 4 ou un EDSS 6 était significativement plus important chez les patients les plus défavorisés socio-économiquement (EDI-quintile 5) que chez les patients les plus favorisés (EDI-quintile 1) ; Hazard Ratio ajusté HRa=1.37 [1.15-1.64] pour le risque d’atteindre un EDSS 4 et HRa=1.42 [1.13-1.75] celui d’atteindre un EDSS 6.Enfin, dans une 3ème partie, nous avons étudié l’influence des déterminants socio-économiques approchés par l’EDI sur la prise en charge thérapeutique et plus spécifiquement l’accès aux traitements de fond (DMT), en prenant en considération l’accès au 1er DMT des patients SEP-RR et -SP inclus dans les bases de données des 3 mêmes centres de l'OFCE (N=3293) puis l’accès aux DMT de 2nde ligne (Cyclophosphamide, Mitoxantrone, Natalizumab, et Fingolimod) des patients SEP-RR de la base de donnée régionale de la Normandie Occidentale (N=733). D’après nos résultats il semble que les déterminants socio-économiques n’influencent pas l’accès aux 1er DMT. Cependant nous avons montré une influence des déterminants socio-économiques sur l’accès aux DMT de 2nde ligne. En effet, partir de 5 ans d’exposition à un 1er DMT, la probabilité de recevoir un DM de 2nde ligne est 3 fois plus élevée pour les patients socio-économiquement les plus favorisés (EDI-quintile 1) comparé aux patients avec des EDI plus élevés (EDI-quintiles 2 à 5) HRa=3.14 [1.72-5.72]. Nous avons mis en évidence que les déterminants socio-économiques influençant plusieurs moments clefs de l’évolution de la maladie et de la prise en charge thérapeutiques des patients SEP. Ces observations devraient encourager les neurologues et les équipes paramédicales à prendre des dispositions afin d’améliorer la prise en charge des patients socio-économiquement vulnérables en cherchant à réduire l’impact de ces inégalités sociales de santé (ISS) sur l’évolution de la SEP et l’accès aux soins.The general objective of the thesis was to study the influence of socio-economic determinants in Multiple Sclerosis (MS) evolution and therapeutic health care. In a 1st part, we performed a review of the literature, to identify the association between socio-economic déterminants and MS risk. The most recent studies performed with solid methodology on large cohort show that low socio-economic status seems to be associated with a higher risk of Multiple Sclerosis. In a 2nde part, we assessed the influence of socioeconomic deprivation on the risk to reach a moderate disability level (EDSS 4) and a severe disability level (EDSS 6) in RR-MS and SP-MM patients included in the databases of 3 MS expert centres (Caen, Rouen, Lille) of the French Observatory for MS (OFSEP) (N=3641). The EDI (European Deprivation Index), an ecological and aggregated indicator was used as an indicator of socio-economic level. The risk of reaching EDSS 4 and EDSS 6 for more socioeconomically deprived patients (EDI Q5) was independently higher than in the less socioeconomically deprived patients (EDI Q1), adjusted Hazard Ratio HRa=1.37 [1.15-1.64] to reach EDSS 4 and HRa=1.42 [1.13-1.75] to reach EDSS 6. Finally, in a 3rd part, we studied the influence of socio-economic determinants approached by the EDI on therapeutic health care, and specifically on the access to disease modifying treatments (DMT), taking into consideration the access to first DMT in RR-MS and SP-MS patients included in databases of the 3 same OFSEP centres (N=3293), then on the access to 2nde line DMT (Cyclophosphamide, Mitoxantrone, Natalizumab, and Fingolimod) in RR-MS patients, included in the regional database of Western-Normandy (N=733). According our results, socio-economic determinants do not seem to influence the access to a 1st DMT. However, we showed an influence of socio-economic determinants on the access to 2nde line DMT. Indeed, after 5 years from initiation of a first DMT the risk of accessing a 2nd line DMT is 3 times higher for patients with lower deprivation indices (1st quintile of EDI) HRa= 3.14 95%CI [1.72-5.72] compared to patients with higher values (EDI quintiles 2 to 5). We highlighted that socio-economic determinants influenced many key moments in evolution and therapeutic health care of MS patients. These observations encourage neurologist and paramedical team to take every provision to improve health care of socio-economically vulnerable MS patients and keep working to reduce social inequalities of health on evolution and access to care in MS

    Dispelling the Myths Behind First-author Citation Counts

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    We 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

    Author Index

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    koamabayili/VECTRON-author-checklist: VECTRON author checklist

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    We 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 Under Sail The Imagination of Jack London, 1893-1902

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    In Author Under Sail, Jay Williams offers the first complete literary biography of Jack London as a professional writer engaged in the labor of writing. It examines the authorial imagination in London's work, the use of imagination in both his fiction and nonfiction, and the ways he defined imagination in the creative process in his business dealings with his publishers, editors, and agents. In this first volume of a two-volume biography, Williams traverses the years 1893 to 1902, from London's "Story of a Typhoon" to The People of the Abyss. The Jack London who emerges in the pages of Author Under Sail is a writer whose partnership with publishers, most notably his productive alliance with George Brett of Macmillan, was one of the most formative in American literary history. London pioneered many author models during the heyday of realism and naturalism, blurring the boundaries of these popular genres by focusing on absorption and theatricality and the representation of the seen and unseen. London created an impassioned, sincere, and extremely personal realism unlike that of other American writers of the time. Author Under Sail is a literary tour de force that reveals the full range of London as writer, creative citizen, and entrepreneur at the same time it sheds light on the maverick side of machine-age literature.Intro -- Title Page -- Copyright Page -- Dedication -- Contents -- Acknowledgments -- Introduction -- 1. Spirit Truth -- 2. From Absorption to Theatricality and Back Again -- 3. "I Will Build a New Present" -- 4. Sons as Authors -- 5. Fathers as Publishers -- 6. The Daughter as Author -- 7. Lovers as Authors -- 8. At Sea with the Family -- 9. Yellow News, Yellow Stories -- 10. The Return Home -- Notes -- Bibliography -- Index -- About Jay WilliamsIn Author Under Sail, Jay Williams offers the first complete literary biography of Jack London as a professional writer engaged in the labor of writing. It examines the authorial imagination in London's work, the use of imagination in both his fiction and nonfiction, and the ways he defined imagination in the creative process in his business dealings with his publishers, editors, and agents. In this first volume of a two-volume biography, Williams traverses the years 1893 to 1902, from London's "Story of a Typhoon" to The People of the Abyss. The Jack London who emerges in the pages of Author Under Sail is a writer whose partnership with publishers, most notably his productive alliance with George Brett of Macmillan, was one of the most formative in American literary history. London pioneered many author models during the heyday of realism and naturalism, blurring the boundaries of these popular genres by focusing on absorption and theatricality and the representation of the seen and unseen. London created an impassioned, sincere, and extremely personal realism unlike that of other American writers of the time. Author Under Sail is a literary tour de force that reveals the full range of London as writer, creative citizen, and entrepreneur at the same time it sheds light on the maverick side of machine-age literature.Description based on publisher supplied metadata and other sources.Electronic reproduction. Ann Arbor, Michigan : ProQuest Ebook Central, YYYY. Available via World Wide Web. Access may be limited to ProQuest Ebook Central affiliated libraries
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