1,720,985 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
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
Récepteurs aux opioïdes (Adaptation moléculaires et comportementales à la morphine et souris génétiquement modifiées)
No full textL action pharmacologique de la morphine est transduite par le récepteur aux opioïdes mu, qui appartient, avec les récepteurs delta et kappa ainsi qu une trentaine de peptides, au système opioïde endogène. Les agonistes du récepteur mu sont utilisés en clinique pour lutter contre les douleurs sévères, mais aussi de façon illicite pour la sensation de bien-être qu ils induisent. L usage répété de ces substances induit des adaptations comportementales: tolérance analgésique, dépendance physique ou encore addiction.Pour évaluer le rôle de la désensibilisation du récepteur mu dans l adaptation à la morphine, nous avons entrepris de générer une souris knock-in exprimant un récepteur mu tronqué, dont la désensibilisation est abolie in vitro. Tout d abord, la modification du gène du récepteur mu a provoqué l exposition du transcrit à un processus de dégradation déclenché par la présence du codon stop prématuré (nonsense-mediated mRNA decay ou NMD), apportant ainsi la première démonstration directe que le NMD fonctionne dans le cerveau mammifère. D autre part, le récepteur mu mutant présente un déficit d expression, ce qui indique que la troncation de l extrémité carboxy-terminale du récepteur mu empêche sa biogenèse correcte.Nous avons mis au point différents protocoles de traitement chronique par la morphine, pour induire chez la souris sauvage une tolérance analgésique, une sensibilisation psychomotrice ou une dépendance physique. Nous avons montré que ces adaptations comportementales ne s accompagnent pas d une modification de l activité du récepteur mu, de l adénylate cyclase et de la kinase cdk5, dans différentes régions du cerveau.En utilisant le cerveau de souris triple knock-out pour les récepteurs aux opioïdes, nous avons montré que l activation des protéines G par le récepteur epsilon, défini comme site de liaison préférentiel de la bêta-endorphine, résulte de l action de ce peptide sur un site impliquant les récepteurs mu, delta et/ou kappa.Nous avons utilisé des souris knock-out pour mettre en évidence que les récepteurs mu et delta participent à l analgésie induite par une nage forcée à 32C, mais qu aucun des trois récepteurs aux opioïdes n influence la sécrétion d ACTH et de corticostérone consécutive à ce stress.Morphine pharmacological action is mediated by the mu opioid receptor, which belongs, together with delta and kappa receptors and about thirty peptides, to the endogenous opioid system. Mu receptor agonists are used both clinically, to treat severe pain, and illegally, because of their reinforcing properties. Repeated use of those compounds induces behavioural adaptations, such as analgesic tolerance, physical dependence or addiction.n order to assess the involvement of mu receptor desensitisation in morphine-induced adaptations, we decided to generate a knock-in mouse expressing a truncated mu receptor, resisting to desensitisation in vitro. First, the mutated transcript underwent nonsense-mediated mRNA decay (NMD), bringing the first direct evidence that NMD operates in mammalian brain. Second, the mutant mu receptor displayed a major expression deficit, indicating that the deletion of mu receptor carboxy-terminal tail hampers correct biogenesis.We set up distinct regimens of chronic morphine treatment to induce analgesic tolerance, psychomotor sensitization or physical dependence in wild-type mice. We showed that these behavioural adaptations are not associated with a modification of mu receptor, adenylate cyclase or cdk5 kinase activities, in several brain regions.We used brain tissue from opioid receptor triple knockout mice to investigate the nature of epsilon receptor, pharmacologically defined as a beta-endorphin preferring binding site. We demonstrated that beta-endorphin stimulated G-protein activation is mediated by a site involving mu, delta and/or kappa receptors.We used knockout mice to show that mu and delta receptors are both involved in 32C-forced swim-induced analgesia but that none of the three opioid receptors contributes to ACTH and corticosterone secretion consecutive to this stress.STRASBOURG-Sc. et Techniques (674822102) / SudocSudocFranceF
Author-wise bibliometric analysis based on entropy.
No full textAuthor-wise bibliometric analysis based on entropy.</p
Author Under Sail The Imagination of Jack London, 1893-1902
No full textIn 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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