1,720,954 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

    Design and development of the ground segment for the HENON Mission: advancing space weather monitoring through CubeSats

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    LAUREA MAGISTRALENegli ultimi decenni si è registrato un interesse sempre crescente per le applicazioni spaziali, con richieste ed esigenze scientifiche sempre più ambiziose e strumenti di bordo sempre più complessi e costosi. In particolare, i satelliti per la meteorologia spaziale sono caratterizzati da costi elevati e da grandi masse e volumi, e la tendenza non sembra desti nata a diminuire nel breve termine. Per questo motivo, i piccoli satelliti, e in particolare i CubeSat, si stanno affermando come alternativa economica per soddisfare tutte le esigenze scientifiche e tecnologiche. La seguente Tesi presenta i risultati della Fase A del progetto HEliospheric pioNeer for sOlar and interplanetary threats defeNce (HENON), missione CubeSat che nasce dall’iniziativa europea per migliorare la comprensione del meteo spaziale, concentrandosi sul rilevamento di eventi energetici provenienti dal Sole e sull’invio di allarmi in tempo quasi reale a terra. Lo studio adotta un approccio rigoroso alla progettazione e allo sviluppo del segmento di terra e delle operazioni, utilizzando un metodo di progettazione concorrente per affinare e consolidare i requisiti in modo iterativo durante l’intero processo. Partendo dall’analisi funzionale del sistema, lo studio definisce e consolida i requisiti e successivamente delinea le modalità operative del satellite, ricavando un Concetto Operativo (ConOps) che prende in considerazione tutti gli aspetti che potrebbero avere un impatto su ogni fase della missione. Lo studio fornisce anche un’analisi di alto livello del budget dei dati e presenta un’architettura preliminare del segmento di terra per la missione HENON, insieme ad ulteriori considerazioni che potrebbero essere utilizzate come guida nelle fasi di progettazione successive. L’architettura preliminare del Segmento di Terra descrive gli asset e le interfacce, con particolare attenzione al loro funzionamento, per delineare uno schema che possa essere utilizzato come guida per progetti futuri. Nel complesso, questa tesi dimostra la fattibilità dei CubeSat come alternativa economica alle missioni di alto livello, fornendo un resoconto dettagliato della progettazione e dello sviluppo del Segmento di Terra di HENON, dal Kick-off (KO) al completamento della Preliminary Requirements Review (PRR) da parte della CubeSat Systems Unit di ESA.In the past decades, an ever-growing interest in space-borne applications has been regis tered, and the scientific requests and needs became more ambitious with on-board instruments becoming more complex and expensive. In particular, satellites for Space Weather are characterised by high costs and large masses and volumes, and the trend would not seem to decrease in the short term. For this reason, small satellites, and in particular CubeSats, are catching on as an affordable alternative to fulfil all the science and technological needs. This Master’s thesis presents the results of Phase A of the HEliospheric pioNeer for sOlar and interplanetary threats defeNce (HENON) CubeSat mission, which springs from the European initiative to improve our understanding of Space Weather, focusing on the detection of solar energetic events and on the sending of near real-time alerts to the ground. The study adopts a rigorous approach to the design and development of the Ground Segment and Operations, using a concurrent design method to refine and consolidate requirements iteratively throughout the whole process. Starting with the functional analysis of the system, the study defines and consolidates the requirements, subsequently outlines the satellite operational modes, and derives a Concept of Operations (ConOps) that takes into consideration all aspects that could impact each mission phase. The study also provides a high-level analysis of the data budget and presents a preliminary Ground Segment architecture for the HENON mission, together with some further considerations that could be used as guidance in the following design phases. The preliminary Ground Segment architecture describes its assets and interfaces, with a particular focus on their inner workings, to outline a scheme that could be used as a guide for future designs. Overall, this thesis demonstrates the feasibility of CubeSats as a cost-effective alternative to high-end satellite missions, providing a detailed account of the design and development of HENON Ground Segment, from mission Kick-off (KO) to the successful completion of the Preliminary Requirements Review (PRR) by the ESA CubeSat Systems Unit

    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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