1,720,973 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
Deconstructing p53-mediated DNA repair mechanisms in tumour suppression
No full textEl supressor tumoral p53 és el gen mutat amb més freqüència en els càncers humans i regula un ampli programa transcripcional que protegeix contra la transformació maligna. Tanmateix, la complexitat d’aquesta xarxa fa difícil de discernir les contribucions específiques de cadascun dels seus efectors. En aquesta tesi hem emprat dos enfocaments complementaris per investigar la supressió tumoral mediada per p53. En primer lloc, hem dut a terme un cribratge exploratori basat en CRISPR/Cas9 dirigit a gens relacionats amb la reparació de l’ADN i el cicle cel·lular per tal d’identificar nous supressors tumorals regulats per p53. Aquesta anàlisi ha revelat diversos candidats, incloent-hi efectors ja coneguts com CDKN1A (p21), el que reforça el seu el paper crític en la coordinació de l’aturada del cicle cel·lular i la regulació transcripcional. Paral·lelament, hem realitzat un estudi en profunditat de POLK, una DNA-polimerasa regulada per p53 implicada en la supressió tumoral en models murins de limfoma Eµ-Myc. Els nostres resultats indiquen que POLK està involucrada en la restricció del comportament maligne de les cèl·lules i en la preservació de la integritat genòmica, especialment sota condicions d’estrès replicatiu. En conjunt, aquests resultats subratllen la rellevància de POLK dins la xarxa de p53 i la seva contribució a la supressió tumoral en contextos oncogènics específics, incloent-hi el càncer de pulmó.El gen supresor tumoral p53 es el gen con mayor frecuencia de mutación en los cánceres humanos y regula un amplio programa transcripcional que protege a las células de la transformación en células cancerígenas. Sin embargo, la complejidad de esta red dificulta discernir las contribuciones específicas de cada uno de los factores involucrados. En esta tesis hemos empleado dos enfoques complementarios para investigar la supresión tumoral que regula p53. En primer lugar, hemos llevado a cabo un cribado exploratorio basado en la técnica de CRISPR/Cas9, dirigiéndola hacia la exploración de genes relacionados con la reparación del ADN y el ciclo celular, con el objetivo de identificar nuevos supresores tumorales regulados por p53. Este análisis ha revelado varios candidatos, entre ellos genes ya conocidos como CDKN1A (p21), lo que refuerza su papel esencial en la coordinación de la detención del ciclo celular y la regulación transcripcional. Paralelamente, hemos realizado un estudio en profundidad sobre POLK, una ADN polimerasa regulada por p53, descrita previamente como esencial en la supresión tumoral en modelos murinos de linfoma Eµ-Myc. Nuestros resultados indican que POLK participa en la restricción del comportamiento maligno de las células y en la preservación de la integridad genómica, especialmente bajo condiciones de estrés replicativo. En conjunto, estos hallazgos subrayan la relevancia de POLK dentro de la red de p53 y su contribución a la supresión tumoral en contextos oncogénicos específicos, en particular, en el cáncer de pulmón.The tumour suppressor p53 is the most frequently mutated gene across human cancers and orchestrates a broad transcriptional program that safeguards against malignant transformation. However, the complexity of this network makes it challenging to disentangle the specific contributions of individual downstream effectors. In this thesis, we employed two complementary approaches to investigate p53-mediated tumour suppression. First, we carried out an exploratory CRISPR/Cas9 screen targeting DNA repair and cell cycle-related genes to identify novel tumour suppressors acting downstream of p53. This analysis revealed several candidates, including known effectors such as CDKN1A (p21), whose critical role in coordinating cell cycle arrest and transcriptional regulation was further supported. In parallel, we performed an in-depth study of POLK, a p53-regulated DNA polymerase previously implicated in tumour suppression in murine Eµ-Myc-driven lymphoma models. Our results support a role for POLK in restraining malignant cell behaviour and preserving genome integrity, particularly under conditions of replication stress. Together, these findings underscore the relevance of POLK within the p53 network and its contribution to tumour suppression in specific oncogenic contexts, including LUADUniversitat Pompeu Fabra. Doctorat en Biomedicin
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
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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