1,721,366 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
Ji yu na mi jin gang shi zhui zong de xi bao dong li xue yan jiu
No full textPh.D.Single particle tracking has long been a power tool for investigating dynamics in living systems. Its development has brought higher spatial-temporal resolution and multifunctionality. Nanodiamond with nitrogen-vacancy centers is an ideal probe for single particle tracking due to the biocompatibility, stable fluorescence, and the ability as sensor for a variety of physical quantities. In this thesis, we first monitored 2D translation of NDs in different states of their cellular fate. The membrane anchoring, endocytosis and endocytic vesicle escaping of NDs were directly visualized. The translation of NDs on cell membrane was confined. While in endocytic vesicles and in cytosol, both directional motion and stalled diffusion of NDs were observed. We then developed a method to perform 6D translation and rotation tracking of diamond particles. The precision for translation tracking is about tens of nanometer. The angular sensitivity is estimated to be 1∼5 deg⋅Hz⁻¹/² . The motion of a diamond microparticle bound to a GPMV was tracked. The intrinsic rotation of MD with respect to GPMV without the geometric rotation was obtained, with both in-plane and off-plane components observed. We further applied 6D tracking to study the dynamics of ND on plasma membrane of Hela cells. Rotation of ND was observed on live cell, but not on PFA fixed cells or laser induced necrotized cells. Low temperature and ATP depletion greatly inhibited the rotation of NDs, while the effect of membrane skeleton disruption was not significant. Similar rotation of NDs were observed on plasma membrane of HepG2 and macrophage cells, but not on red blood cell, indicating the association with complex membrane activities. The 6D motion tracking in nanoscale provides new opportunities in probing nanoscale dynamics in living systems.長久以來，單粒子跟踪一直是研究生命系統動力學的強大工具。其發展帶來了更高的時間，空間分辨率以及多功能性。含有氮空位色心的納米金剛石由於其生物相容性，穩定的熒光以及作為多種物理量的傳感器的能力，是用於單粒子跟踪的理想材料。在本論文中，我們首先跟蹤了了納米金剛石在其細胞命運的不同狀態下的二維平動。我們直接觀察到了納米金剛石粘附到細胞膜，內吞及從胞吞囊泡中逃逸的過程。納米金剛石在細胞膜上的平動受到限制。而在內吞囊泡和細胞質中，定向運動和緩慢的擴散都可以觀察到。我們隨後開發了一種對鑽石顆粒進行六維平移和旋轉跟踪的方法。平動跟踪的精度約為幾十納米。角度的靈敏度約為1∼5deg⋅Hz−1/2。我們跟踪了結合在巨質膜囊泡上的金剛石微粒的運動。我們獲得了排除幾何因素的金剛石微粒相對於巨質膜囊泡的轉動，並觀察到了其面內和面外轉動的分量。我們進一步將六維跟踪應用於研究Hela細胞質膜上納米金剛石的動態。我們在活細胞上觀察到了納米金剛石的旋轉，但在多聚甲醛固定或激光誘導壞死的細胞上未觀察到。低溫和ATP消耗極大地抑制了納米金剛石的旋轉，而膜骨架破壞的作用並不明顯。我們在HepG2和巨噬細胞的質膜上觀察到金剛石類似的旋轉，但在紅細胞上未觀察到，表明其與復雜的膜活動相關。納米尺度下的六維跟踪為探測生命系統中的納米級的動力學提供了新的機遇.Feng, Xi = 基於納米金剛石追蹤的細胞動力學研究 / 馮希.Thesis Ph.D. Chinese University of Hong Kong 2020.Includes bibliographical references (leaves 107-119).Abstracts also in Chinese.Title from PDF title page (viewed on January 27, 2022).Feng, Xi = Ji yu na mi jin gang shi zhui zong de xi bao dong li xue yan jiu / Feng Xi
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
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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