1,720,957 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
Author-wise bibliometric analysis based on entropy.
No full textAuthor-wise bibliometric analysis based on entropy.</p
Modèle de tumeur sphéroïde multicellulaire pour l'évaluation de l'efficacité de l'administration de médicaments à base de nanoparticules
No full textDeveloping a standard 3D in vitro model for screening nanotherapeutics remains challenging. Several 3D tumor culture models have been developed, multicellular tumor spheroids among them are gaining popularity due to their ability to mimic some of the characteristics of natural tumors. Spheroids can be made in a variety of ways, but traditional methods have several drawbacks. In this study, agarose-based microwells were used for generation of uniform multicellular tumor spheroids of a colorectal cancer line (HCT-116). According to the findings of this project, the penetration of AGuIX®- Cy5.5 nanoparticles within spheroids is time and concentration dependent. While nanoparticles were observed in both extracellular and intracellular space of spheroids, the dominant intracellular localization of AGuIX®- Cy5.5 nanoparticles was in lysosomes; early endosomes and mitochondria, on the other hand, showed some colocalization with AGuIX®. When the localization of AGuIX®- Cy5.5 nanoparticles in spheroids and 2D cell culture was compared, the difference in nanoparticle localization in 2D and 3D highlighted the advantages of using this 3D in vitro model for nanotherapeutics screening because of its ability to recapitulate tumor features influencing nanoparticle internalization and intracellular fate. The developed 3D in vitro model has been shown to be beneficial in therapy assessment associated with radiotherapy, as cells in spheroids (3D) showed higher radioresistance than monolayer cells(2D), indicating that this 3D in vitro model can be used to assess therapeutic efficacy of nanotherapeutics in a more realistic set up. Growth monitoring of irradiated HCT-116 spheroids revealed their ability to grow for all doses, 6 days after irradiation, in contrast to the classical clonogenic survival assay, which revealed they were unable to form colonies at higher doses greater. The best radiosensitizing effect of AGuIX® was observed at 2 Gy irradiation, according to single cell proliferation analysis in spheroids.Le développement d'un modèle 3D in vitro standard pour le criblage des nanothérapies reste un défi. Plusieurs modèles de culture de tumeurs en 3D ont été développés, dont les sphéroïdes multicellulaires de tumeurs qui gagnent en popularité en raison de leur capacité à imiter certaines des caractéristiques des tumeurs naturelles. Les sphéroïdes peuvent être fabriqués de différentes manières, mais les méthodes traditionnelles présentent plusieurs inconvénients. Dans cette étude, des micropuits à base d'agarose ont été utilisés pour la génération de sphéroïdes tumoraux multicellulaires uniformes d'une lignée de cancer colorectal (HCT-116). Selon les résultats de ce projet, la pénétration des nanoparticules AGuIX®- Cy5.5 dans les sphéroïdes dépend du temps et de la concentration. Alors que les nanoparticules ont été observées dans l'espace extracellulaire et intracellulaire des sphéroïdes, la localisation intracellulaire dominante des nanoparticules AGuIX®- Cy5.5 était dans les lysosomes ; les endosomes précoces et les mitochondries, par contre, ont montré une certaine colocalisation avec AGuIX®. Lorsque la localisation des nanoparticules AGuIX®- Cy5.5 dans les sphéroïdes et la culture cellulaire 2D a été comparée, la différence dans la localisation des nanoparticules en 2D et en 3D a mis en évidence les avantages de l'utilisation de ce modèle in vitro 3D pour le criblage des nanothérapies en raison de sa capacité à récapituler les caractéristiques tumorales influençant l'internalisation des nanoparticules et leur destin intracellulaire. Le modèle in vitro 3D mis au point s'est avéré bénéfique pour l'évaluation de la thérapie associée à la radiothérapie, car les cellules en sphéroïdes (3D) ont montré une radiorésistance plus élevée que les cellules monocouches (2D), ce qui indique que ce modèle in vitro 3D peut être utilisé pour évaluer l'efficacité thérapeutique des nanothérapies dans une configuration plus réaliste. Le suivi de la croissance des sphéroïdes HCT-116 irradiés a révélé leur capacité à croître pour toutes les doses 6 jours après l'irradiation, contrairement au test classique de survie clonogénique, qui a révélé qu'ils étaient incapables de former des colonies aux doses plus élevées. Le meilleur effet radiosensibilisant d'AGuIX® a été observé à une irradiation de 2 Gy, selon l'analyse de la prolifération de cellules uniques dans les sphéroïdes
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
- …
