1,721,043 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

    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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    Guo leng rong rong ba -nie -lin he jin zhong de yi ji ye tai -ye tai zhuan bian yi ji rong hun jian xi zhong de xiang fen li

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    Ph.D.Recently, a metastable liquid miscibility gap (MLMG) was observed in the undercooling regime of Pd-Ni-P system by Lan et al., Wu et al. and Zhou et al. The phase separation cannot be explained by traditional thermodynamic theories, for Pd-Ni-P has negative heat of mixing. By looking into the structure factors of Pd-Ni-P metallic glass which undergoes phase separation, two kinds of short-range orders (i-SRO and ℓ-SRO) were observed by Wu et al. Undercooled Pd-Ni-P melt was supposed to separate into two liquid phases with different unique SROs by spinodal decomposition.In this thesis, a liquid-liquid phase transition (LLT) was observed in Pd₅₉Ni₂₅P₁₆ which is outside the MLMG by x-ray diffraction (XRD) and high-angle annular dark field imaging (HAADF).The LLT was proved to be a first-order phase transition by nucleation and growth mechanism by direct observation of different stages of the transition by selected-area electron diffraction (SAED). The corresponding latent heat was measured by differential scanning calorimetry (DSC). A thermodynamic model was established to explain the LLT outside the MLMG together with the spinodal decomposition inside the MLMG.Moreover, a phase separation by nucleation and growth mechanism was observed in Pd₄₀.₂₅Ni₄₀.₂₅P₁₉.₅ inside the MLMG for the first time. The microstructure of the phase separation was studied by HAADF imaging and the mechanism was confirmed by small angle x-ray scattering (SAXS). Compared with the scale of the entire MLMG, the region of nucleation and growth is very narrow.近年來,蘭司、吳楨舵以及周文釗等人在鈀-鎳-磷三元合金的過冷區域中觀察到一個亞穩定的液態溶混間隙。鈀-鎳-磷三運合金擁有負混合熱,因此這個溶混間隙中的相分離現象不能用傳統的熱力學理論來解釋。通過對發生相分離的鈀-鎳-磷合金的結構因子的觀察,吳楨舵等人在其中發現了兩種不同的短程有序結構(分別為正二十面體結構和ℓ短程有序結構)。鈀-鎳-磷合金中的相分離現象被認為是一種液體分離成兩種具有不同液態短程有序結構的液相的過程。在本論文中,我们利用X射線衍射技術以及高角度環狀暗場像技術在溶混間隙之外成分為Pd₅₉Ni₂₅P₁₆的合金中發現了一個液態-液態轉變,并且通過選區電子衍射技術對這個液態-液態轉變不同階段的直接觀察,證明了這個液態-液態轉變是一個通過形核生長來實現的一級相變,並且用差示掃描量熱法估計了該反應的反應熱。之後,我們提出了一個熱力學模型來統一解釋鈀-鎳-磷合金里溶混間隙之外的液態-液態轉變現象以及溶混間隙之內的調幅分解現象。我們還首次在鈀-鎳-磷合金的溶混間隙內的成分為Pd₄₀.₂₅Ni₄₀.₂₅P₁₉.₅的合金內發現了一種通過形核長大方式進行的相分離。我們通過通過高角度環狀暗場像技術來表征了該相分離的微觀結構,並且通過小角度X射線散射的方法證明了該相變的機制是形核生長。和整個溶混間隙的尺寸相比,形核生長的區域很窄。Wang, Xingchen.Thesis Ph.D. Chinese University of Hong Kong 2018.Includes bibliographical references.Abstracts also in Chinese.Title from PDF title page (viewed on 26 May, 2021).Wang, Xingchen

    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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