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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
Usıng Nano Modıfıed Cement Based Composıtes Incorporatıng Hıgh Volume Fly Ash As A Concrete Repaır Materıal
No full textAlt yapı elemanlarının tekrarlı mekanik ve çevresel yükler altında hasar görmesine veya bozulmasına sık rastlanmaktadır. Bozulan bu yapıların tekrar onarılması, çevresel ve ekonomik açıdan ciddi sorunlar ortaya çıkarmaktadır. Son yıllarda yüksek performanslı lif donatılı çimento esaslı kompozitlerin (YPLDÇK), onarım ve güçlendirme işlerinde başarılı bir şekilde kullanılabileceği gözlemlenmiştir. YPLDÇK' ların üretiminde mikro-mekanik tabanlı tasarım kriterleri nedeni ile yüksek hacimde uçucu kül kullanımı neredeyse bir gereksinim olmaya başlamıştır. Yüksek hacimli uçucu kül içeren YPLDÇK özellikle önemli beton yol vb. gibi betonarme altyapıların onarım işlerinde kullanılabilmesi için erken yaş yüksek dayanıma sahip olması ve aynı anda boyutsal kararlılığının yüksek olması gerekmektedir. Erken yaş yüksek dayanımlı, boyutsal uyumluluk ve yüksek bağ performansı gösteren nano boyutta modifiye edilmiş YPLDÇK karışımlarının geliştirilmesi bu tezin temel amacıdır. Bu amaç doğrultusunda, %0, %55 ve %65 uçucu kül ve %1.5 nano silika, % 1,0 nano alümin ilave edilerek ayrı ayrı hazırlanan karışımlarla YPLDÇK karışımları üretilmiştir. YPLDÇK karışımlarında kullanılacak kimyasal katkı maddesinin oranının belirlenmesinde mini yayılma testi yapılmış olup sertleşmiş numunelerin temel mekanik özellikleri ise eğilmede çekme, basınç dayanımı ve elastisite modülü deneyleri ile belirlenmiştir. Modifiye edilmiş YPLDÇK' nin onarım malzemesi olarak kullanılabilirliği açısından çok önemli bir özellik olan bağ performansı eğik kesme mukavemeti test yöntemiyle saptanmış olup boyutsal stabilite özelliklerinin araştırılması için kısıtlanmış rötre deneyi, dayanıklılık performansı için ise hızlı klor iyonu geçirimliliği deneyi yapılmıştır. Son olarak, deneyler sonrası hazırlanan numuneler üzerinde matris ve lif-matris ara yüz özellikleri mikroyapısal analiz (SEM) yöntemi kullanılarak incelenmiştir. Sonuç olarak, nano malzemelerin yüksek hacimde uçucu kül içeren karışımlara ikame edilmesiyle harç numunelerinin mekanik ve mikro-yapısında iyileşmelerin olduğu görülmüştür. Ayrıca, karışımlarda kullanılan nano malzemeler, numunelerdeki boşluk miktarlarını azaltarak numunelerin daha geçirimsiz olmasını sağlamışlardır.Infrastructures are often found to be damaged or deteriorated under repetitive mechanical and environmental loads. The damaged structures which are repaired frequently cause big problems in terms of environment and economy. In recent years, it has been concluded that high performance fiber reinforced cementitious composites (HPFRCC) can be used successfully in repair and strengthening works. The use of high volume fly ash due to micromechanics-based design criteria in the production of HPFRCC has nearly become a requirement. To use of HPFRCC including high volume fly ash for especially important repair works of infrastructure (concrete road etc.) it should possess high strength for early age as well high dimensional stability. The main purpose of the thesis is that nanomodified HPFRCC mixtures will be produced to have high early age strength and durability, high dimensional stability and high connection performance between nanomodified HPFRCC mixtures and concrete that will be repaired. For this purpose, 0 %, 55 % and 65 % fly ash and 1.5 % nano silica, 1% nano alumina were added seperately to mixtures to produce HPFRCC. Flow table test for mortar was used to determine the ratio of chemical additives to be used in HPFRCC mixtures. The basic mechanical properties of hardened samples were determined by flexural, compressive strength and elasticity modulus tests. While bond performance of nanomodified HPFRCC, a feature that is very important for repair materials, were be determined by slant shear test, a restricted shrinkage test was conducted to investigate the dimensional stability properties of the hardened samples and a rapid chloride ion permeability test was performed for durability performance. Finally, the matrix and fiber-matrix interface properties of the samples prepared after the experiments were examined by using the microstructural analysis (SEM) method. As a result, improvements in the mechanical and microstructure of the mortar samples were observed by substituting nano materials to mixtures containing high volumes of fly ash. In addition, nano materials used in the mixtures reduced the amount of voids in the samples and allowed the samples to be more impermeable
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
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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